Tag Archives: automotive wheel hub bearing

China factory CZPT Brand Hot Sales Automotive Bearing Front Axle Wheel Hub for CZPT Explorer 515050 Wheel Assembly Car Spare Part axle bearing

Product Description

Company Profile

 

Company introduction:

This is from GUANXIAN HAGUAN BEARING CO.,LTD.,located in China.WHB is our brand. We specialize in manufacturing double-row spherical roller bearing,pillow block bearing,thrust ball bearing and so on . We could supply bearing for you with competitive price or best price. Our products are sold well to Russia, Brazil, Mexico, Poland and Tunisia ect. If you are interested in our products, please send the enquiry to us as soon as possible. If you have any questions about the bearing can consult me.
Hope to establish a good business relationship with you. Looking forward to your early reply.
Thanks and best regards.

Certifications

 

ISO Certificate:

CE Certificate:

Packaging & Shipping

Detailed Photos

 

Packing:

A. plastic box+outer carton+pallets
B. plastic bag+ single box+carton+pallet
C. plastic bag+ single box+middle box+carton+pallet
D. Of course we will also be based on your needs

FAQ

 

FAQ:

1. What’s the minimum order quantity of your company?

our minimum order is one.

2. Can you accept OEM and customize it?

Yes, we can customize it for you according to the samples or drawings.

3. Can you provide samples for free?

  Yes, we can provide samples free of charge, but we need our customers to bear the freight.

4.Is your company a factory or a trading company?

we have our own factories. We export bearings all over the world.

5. When is the warranty period of your bearings?

within 3 months, the customer needs to provide photos and return the bearing.

6.Can you tell me your company’s payment terms are acceptable?

T / T, D / P, L / C, Western Union remittance,Paypal,Money Gram….

7.Can you tell me the delivery time of your goods?

 7-15 days, mainly depending on the quantity of your order.

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Contact Angle: 60°
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Single
Material: Bearing Steel
ISO: 9001
Samples:
US$ 0.5/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

axle hub

How do I diagnose and address noise issues associated with a malfunctioning axle hub?

Diagnosing and addressing noise issues associated with a malfunctioning axle hub requires a systematic approach to identify the root cause and take appropriate corrective measures. Here’s a detailed explanation of the diagnostic process and steps to address the problem:

1. Identify the Noise:

The first step is to identify the specific noise associated with the malfunctioning axle hub. Pay attention to the type and characteristics of the noise, such as grinding, growling, clicking, or humming. Note when the noise occurs, whether it’s during acceleration, deceleration, or while turning. This initial identification can help narrow down the possible causes.

2. Inspect the Axle Hub:

Visually inspect the axle hub for any signs of damage or wear. Look for cracks, corrosion, or loose components. Check if there is any leaking grease around the hub, as it can indicate bearing failure. A thorough inspection can provide valuable clues about the condition of the axle hub.

3. Perform a Road Test:

Take the vehicle for a road test to observe the noise and its behavior under different driving conditions. Pay attention to any changes in the noise when making turns, accelerating, or braking. Note whether the noise gets louder or changes in pitch. This can help in further narrowing down the issue.

4. Jack up the Vehicle:

If the noise persists and is suspected to be coming from the axle hub, jack up the vehicle and secure it with jack stands. Rotate the wheel associated with the suspected axle hub and listen for any abnormal noise or roughness. Try to wiggle the wheel by hand to check for excessive play or looseness, which can indicate a problem with the hub assembly.

5. Check Wheel Bearings:

A common cause of noise issues in axle hubs is worn-out or damaged wheel bearings. To check the wheel bearings, grasp the tire at the 12 o’clock and 6 o’clock positions and attempt to rock it back and forth. Excessive movement or play indicates a potential problem with the wheel bearings. Additionally, spin the wheel and listen for any grinding or rumbling noises, which can also be indicative of bearing issues.

6. Addressing the Issue:

If a malfunctioning axle hub is identified as the source of the noise, the following steps can be taken to address the problem:

  • Replacement: If the axle hub is severely damaged or the bearings are worn out, replacing the entire hub assembly is often recommended. This ensures proper fitment, bearing integrity, and overall reliability. Consult the vehicle’s service manual or seek professional assistance for the correct replacement procedure.
  • Bearing Replacement: In some cases, it may be possible to replace the wheel bearings within the axle hub if they are the sole source of the noise issue. This requires specialized tools and expertise, so it is advisable to consult a qualified mechanic for bearing replacement.
  • Additional Repairs: Depending on the severity of the issue, it may be necessary to address other related components. This can include replacing damaged CV joints, inspecting and replacing worn brake components, or addressing any other issues identified during the diagnostic process.

7. Post-Repair Verification:

After addressing the noise issue by repairing or replacing the malfunctioning axle hub, take the vehicle for a test drive to verify that the noise is eliminated. Ensure that the vehicle operates smoothly, and there are no abnormal vibrations or noises coming from the axle hub during different driving conditions.

It’s important to note that diagnosing and addressing noise issues associated with a malfunctioning axle hub can be complex, and it may require the expertise of a qualified mechanic. If you’re uncomfortable performing the diagnostics and repairs yourself, it’s advisable to seek professional assistance to ensure an accurate diagnosis and proper resolution of the issue.

In summary, diagnosing and addressing noise issues associated with a malfunctioning axle hub involves identifying the noise, inspecting the hub, performing a road test, checking wheel bearings, and taking appropriate repair or replacement measures. Following a systematic approach and seeking professional help when needed can help resolve the noise issue and ensure the safe operation of the vehicle.

axle hub

Are there specific tools required for DIY axle hub replacement, and where can I find them?

When undertaking a DIY axle hub replacement, certain tools are needed to ensure a smooth and successful process. Here are some specific tools that are commonly required for DIY axle hub replacement and where you can find them:

  • Jack and jack stands: These tools are essential for raising the vehicle off the ground and providing a stable support system. You can find jacks and jack stands at automotive supply stores, hardware stores, and online retailers.
  • Lug wrench or socket set: A lug wrench or a socket set with the appropriate size socket is necessary to loosen and tighten the lug nuts on the wheel. These tools are commonly available at automotive supply stores, hardware stores, and online retailers.
  • Torque wrench: A torque wrench is required to tighten the lug nuts on the wheel and other fasteners to the manufacturer’s recommended torque specifications. Torque wrenches can be found at automotive supply stores, tool stores, and online retailers.
  • Pry bar: A pry bar is useful for gently separating the axle hub assembly from the mounting point, especially if it is tightly secured. Pry bars are available at automotive supply stores, hardware stores, and online retailers.
  • Hammer: A hammer can be used to tap or lightly strike the axle hub assembly or its components for removal or installation. Hammers are commonly available at hardware stores, tool stores, and online retailers.
  • Wheel bearing grease: High-quality wheel bearing grease is necessary for lubricating the axle hub assembly and ensuring smooth operation. Wheel bearing grease can be purchased at automotive supply stores, lubricant suppliers, and online retailers.
  • Additional tools: Depending on the specific vehicle and axle hub assembly, you may require additional tools such as a socket set, wrenches, pliers, or specific specialty tools. Consult the vehicle’s service manual or online resources for the specific tools needed for your vehicle model.

To find these tools, you can visit local automotive supply stores, hardware stores, or tool stores in your area. They typically carry a wide range of automotive tools and equipment. Alternatively, you can explore online retailers that specialize in automotive tools and equipment, where you can conveniently browse and purchase the tools you need.

It’s important to ensure that the tools you acquire are of good quality and suitable for the task at hand. Investing in quality tools can make the DIY axle hub replacement process more efficient and help achieve better results. Additionally, always follow the manufacturer’s instructions and safety guidelines when using tools and equipment.

In summary, specific tools are required for DIY axle hub replacement, such as a jack and jack stands, lug wrench or socket set, torque wrench, pry bar, hammer, and wheel bearing grease. These tools can be found at automotive supply stores, hardware stores, tool stores, and online retailers. Acquiring quality tools and following proper safety guidelines will contribute to a successful DIY axle hub replacement.

axle hub

How do changes in wheel offset affect the angles and performance of axle hubs?

Changes in wheel offset can have a significant impact on the angles and performance of axle hubs. Here’s a detailed explanation:

Wheel offset refers to the distance between the centerline of the wheel and the mounting surface. It determines how far the wheel and tire assembly will be positioned in relation to the axle hub. There are three types of wheel offsets: positive offset, zero offset, and negative offset.

Here’s how changes in wheel offset can affect the angles and performance of axle hubs:

  • Camber Angle: Camber angle refers to the inward or outward tilt of the wheel when viewed from the front of the vehicle. Changes in wheel offset can impact the camber angle. Increasing positive offset or reducing negative offset typically results in more positive camber, while increasing negative offset or reducing positive offset leads to more negative camber. Improper camber angle can cause uneven tire wear, reduced traction, and handling issues.
  • Track Width: Wheel offset affects the track width, which is the distance between the centerlines of the left and right wheels. Wider track width can improve stability and cornering performance. Increasing positive offset or reducing negative offset generally widens the track width, while increasing negative offset or reducing positive offset narrows it.
  • Steering Geometry: Changes in wheel offset also impact the steering geometry of the vehicle. Altering the offset can affect the scrub radius, which is the distance between the tire contact patch and the steering axis. Changes in scrub radius can influence steering effort, feedback, and stability. It’s important to maintain the appropriate scrub radius for optimal handling and performance.
  • Wheel Bearing Load: Wheel offset affects the load applied to the wheel bearings. Increasing positive offset or reducing negative offset generally increases the load on the inner wheel bearing, while increasing negative offset or reducing positive offset increases the load on the outer wheel bearing. Proper wheel bearing load is crucial for their longevity and performance.
  • Clearance and Interference: Changes in wheel offset can also impact the clearance between the wheel and suspension components or bodywork. Insufficient clearance due to excessive positive offset or inadequate clearance due to excessive negative offset can lead to rubbing, interference, or potential damage to the axle hub, suspension parts, or bodywork.

It’s important to note that any changes in wheel offset should be done within the manufacturer’s recommended specifications or in consultation with knowledgeable professionals. Deviating from the recommended wheel offset can lead to adverse effects on the axle hub angles and performance, as well as other aspects of the vehicle’s handling and safety.

When modifying wheel offset, it is crucial to consider the overall impact on the vehicle’s suspension geometry, clearance, and alignment. It may be necessary to make corresponding adjustments to maintain proper alignment angles, such as camber, toe, and caster, to ensure optimal tire wear, handling, and performance.

In summary, changes in wheel offset can have a significant impact on the angles and performance of axle hubs. They can affect camber angles, track width, steering geometry, wheel bearing load, and clearance. It is important to adhere to manufacturer’s specifications and consult with knowledgeable professionals when considering changes in wheel offset to ensure proper alignment, optimal performance, and safe operation of the vehicle.

China factory CZPT Brand Hot Sales Automotive Bearing Front Axle Wheel Hub for CZPT Explorer 515050 Wheel Assembly Car Spare Part   axle bearingChina factory CZPT Brand Hot Sales Automotive Bearing Front Axle Wheel Hub for CZPT Explorer 515050 Wheel Assembly Car Spare Part   axle bearing
editor by CX 2024-02-20

China Custom Auto Parts Automotive Bearing Front Axle Wheel Hub Assembly for Smart Roadster R187.01 Vkba6624 example of wheel and axle

Product Description

Basic information:

Description Auto Parts Front Axle Wheel Hub For SMART ROADSTER R187.01 VKBA6624
Material Chrome steel Gcr15
Application For SMART
Size Rim Hole Number: 3
Flange Ø: 134 mm
Position Front axle
With ABS with ABS sensor ring
Bolts 3 holes
Weight 1.8 kg
Brand SI, PPB, or customized
Packing Neutral, SI, PPB brand packing or customized
OEM/ODM service Yes
Manufacture place ZHangZhoug, China
MOQ 50 PCS
OEM replacement Yes
Inspection 1V571000000

Ref.:
F-AG: 
FEBI BILSTEIN: 28230
OPTIMAL: 401300
S-KF: VKBA 6624
SNR: R187.01

Application:
For SMART CABRIO (450) (2000/03 – 2004/01)
For SMART CITY-COUPE (450) (1998/07 – 2004/01)
For SMART CROSSBLADE (450) (2002/06 – 2003/12)
For SMART ROADSTER (452) (2003/04 – 2005/11)
For SMART ROADSTER Coupe (452) (2003/04 – 2005/11)
For SMART FORTWO Coupe (450) (2004/01 – 2007/02)
For SMART FORTWO Cabrio (450) (2004/01 – 2007/01)
For SMART FORTWO Coupe (451) (2007/01 – /)
For SMART FORTWO Cabrio (451) (2007/01 – /)

Packing and Delivery:

Workshop

Exhibitions:

FAQ:
Q1.What is your shipping logistic?
Re:  DHL, TNT, FedEx express, by air/sea/train.

Q2:What’s the MOQ?
Re: For the wheel hub assembly. The MOQ   is always 50 sets. If ordering together with other models, small quantities can be organized.   But need more time due to the production schedule.

Q3. What are your goods of packing?
Re: Generally, our goods will be packed in Neutral white or brown boxes for the hub bearing unit. Our brand packing SI & CZPT are offered. If you have any other packing requests, we shall also handle them.

Q4 .  What is your sample policy?
Re: We can supply the sample if we have ready parts in stock.

Q5 . Do you have any certificates?
Re: Yes, we have the certificate of ISO9001:2015.

Q6:Any warranty of your products.
Re: Sure, We are offering a guarantee for 12 months or 40,000-50,000 km for the aftermarket.
 

Q7: How can I make an inquiry?

Re: You can contact us by email, telephone, WhatsApp, , etc.

 

Q8: How long can reply inquiry?

Re: Within 24 hours.

 

Q9: What’s the delivery time?

Re: Ready stock 10-15 days, production for 30 to 45 days.

 

Q10: How do you maintain our good business relationship?

Re: 1. Keep stable, reliable quality, competitive price to ensure our customer’s benefit;

2. Optimal lead time.

3. Keep customers updated about the new goods.

4. Make customers satisfaction as our main goal.

 

Q11: Can we visit the company & factory?

Re: Yes, welcome for your visit & business discussion.

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After-sales Service: Yes
Warranty: Yes
Type: Wheel Hub Bearing
Samples:
US$ 50/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

axle hub

Can a damaged axle hub affect the overall performance and safety of a vehicle?

Yes, a damaged axle hub can significantly affect the overall performance and safety of a vehicle. Here’s a detailed explanation of how a damaged axle hub can impact a vehicle:

1. Wheel Stability:

A damaged axle hub can compromise the stability of the wheel assembly. If the hub is bent, cracked, or worn out, it may not provide a secure mounting point for the wheel. This can result in wheel wobbling or excessive play, leading to unstable handling and compromised vehicle control. A wobbling wheel can also cause vibrations, which can affect the comfort of the passengers and potentially lead to further damage to other components of the suspension system.

2. Wheel Bearing Performance:

The axle hub houses the wheel bearings, which are critical for smooth wheel rotation and weight support. A damaged axle hub can negatively impact the performance of the wheel bearings. For example, if the hub is misaligned or has damaged bearing races, it can cause excessive friction, uneven wear, and premature failure of the wheel bearings. This can lead to wheel noise, reduced fuel efficiency, and compromised safety as the wheel may seize or detach while driving.

3. Brake System Integration:

In many vehicles, the axle hub integrates with the brake rotor or drum. A damaged axle hub can affect the proper installation and function of the braking components. For example, if the hub has damaged mounting surfaces or incorrect dimensions, it may result in brake rotor runout or misalignment. This can cause uneven braking, pulsation in the brake pedal, and reduced braking performance, compromising the vehicle’s ability to stop safely and efficiently.

4. Wheel Alignment and Suspension:

The axle hub plays a role in maintaining proper wheel alignment and supporting the suspension system. A damaged axle hub can lead to misalignment, affecting the camber, toe, or caster angles of the wheel. Improper wheel alignment can result in uneven tire wear, compromised handling, and reduced stability, impacting overall vehicle performance and safety. Additionally, a damaged hub may not provide adequate support for the suspension components, leading to increased stress and potential failure of other suspension parts.

5. Risk of Wheel Separation:

If a damaged axle hub is not addressed promptly, there is a risk of wheel separation. A severely damaged hub can eventually fail, causing the wheel to detach from the vehicle while in motion. Wheel separation is extremely dangerous and can result in a loss of control, vehicle instability, and potential accidents with severe consequences for the occupants and other road users.

6. Overall Safety:

The overall safety of the vehicle can be compromised when the axle hub is damaged. The stability, braking performance, wheel alignment, and suspension function are critical for safe operation. A damaged axle hub can negatively impact these aspects, increasing the risk of accidents and reducing the ability to control the vehicle effectively.

In summary, a damaged axle hub can have a significant impact on the overall performance and safety of a vehicle. It can compromise wheel stability, impair wheel bearing performance, affect brake system integration, disrupt wheel alignment and suspension, and increase the risk of wheel separation. It is crucial to address any signs of axle hub damage promptly to ensure the safe and efficient operation of the vehicle.

axle hub

Are there aftermarket axle hubs available with enhanced durability or performance features?

Yes, there are aftermarket axle hubs available with enhanced durability or performance features. Aftermarket parts are components that are produced by manufacturers other than the original equipment manufacturer (OEM) of the vehicle. These aftermarket axle hubs are designed to provide improved durability, performance, or other specialized features compared to the stock OEM axle hubs. Here’s a detailed explanation:

  • Durability enhancements: Aftermarket axle hubs may incorporate design improvements or use materials that enhance their durability and longevity. These enhancements can include reinforced bearing housings, stronger wheel studs, improved seals and gaskets, or upgraded materials that better withstand heavy loads, extreme temperatures, or harsh driving conditions. The goal is to provide a more robust and long-lasting axle hub solution.
  • Performance features: Some aftermarket axle hubs are designed to offer enhanced performance characteristics. These performance features can include better heat dissipation properties, reduced rotational friction, or improved weight distribution. Performance-oriented axle hubs may also be engineered to provide more precise wheel alignment, improved handling, or reduced unsprung weight, which can contribute to overall vehicle performance.
  • Specialized applications: In addition to durability and performance enhancements, aftermarket axle hubs may be available for specialized applications. For example, there are aftermarket axle hubs designed specifically for off-road vehicles, heavy-duty towing, or high-performance sports cars. These specialized axle hubs may have features such as increased load-bearing capacity, improved water and debris resistance, or compatibility with upgraded braking systems.
  • Brands and manufacturers: The aftermarket industry offers a wide range of options from various brands and manufacturers. Some aftermarket companies specialize in producing high-quality replacement parts, including axle hubs, that are designed to meet or exceed OEM standards. These aftermarket brands may have a reputation for providing durable and high-performance products, and they often offer warranties to back up their claims.
  • Research and compatibility: When considering aftermarket axle hubs with enhanced durability or performance features, it is essential to conduct thorough research. Look for reputable aftermarket brands known for their quality and reliability. Additionally, ensure compatibility with your specific vehicle make, model, and year. Most aftermarket manufacturers provide compatibility information or have online resources to help you select the correct axle hub for your vehicle.

It’s worth noting that while aftermarket axle hubs can offer enhanced durability or performance features, not all aftermarket parts are created equal. The quality and performance of aftermarket axle hubs can vary depending on the manufacturer and brand. It’s advisable to choose reputable aftermarket brands that have a track record of producing reliable and high-quality components. Consulting with automotive professionals or enthusiasts and reading customer reviews can also provide valuable insights when selecting aftermarket axle hubs.

In summary, aftermarket axle hubs with enhanced durability or performance features are available. These aftermarket options may incorporate design improvements, specialized materials, or performance-oriented features to offer increased durability, improved performance, or compatibility with specialized applications. Conducting thorough research and selecting reputable aftermarket brands can help ensure the quality and compatibility of the aftermarket axle hubs for your vehicle.

axle hub

What is the importance of proper lubrication in maintaining a healthy axle hub?

Proper lubrication plays a crucial role in maintaining a healthy axle hub and ensuring its optimal performance and longevity. Here’s a detailed explanation:

An axle hub consists of several components, including wheel bearings, seals, and other internal parts. These components are subjected to high loads, friction, and heat generated during normal vehicle operation. Lubrication is essential to reduce friction, dissipate heat, and provide a protective barrier between moving parts. Here are the key reasons why proper lubrication is important for maintaining a healthy axle hub:

  • Reduced Friction: Adequate lubrication reduces friction between the moving parts of the axle hub. This minimizes wear and tear on the components and helps them operate smoothly. By reducing friction, proper lubrication helps prevent premature failure of critical parts, such as the wheel bearings.
  • Heat Dissipation: Axle hubs generate heat during operation due to the friction between the rotating components. The lubricant acts as a coolant, helping to dissipate heat and prevent excessive temperature buildup. Proper lubrication ensures that the heat is effectively managed, preventing overheating and potential damage to the axle hub.
  • Corrosion Prevention: Axle hubs are exposed to various environmental elements, including moisture, dirt, and road contaminants. These can lead to corrosion and rust, compromising the performance and structural integrity of the axle hub. Lubrication creates a protective barrier, preventing moisture and contaminants from reaching the critical components and reducing the risk of corrosion.
  • Seal Integrity: Proper lubrication helps maintain the integrity of the seals in the axle hub. Seals play a vital role in preventing the entry of contaminants and retaining the lubricant within the hub assembly. Insufficient lubrication can cause the seals to deteriorate prematurely, leading to lubricant leakage and potential damage to the axle hub.
  • Noise Reduction: Well-lubricated axle hubs operate quietly. The lubricant creates a cushioning effect, reducing noise and vibrations generated by the rotating components. This helps provide a comfortable and quiet driving experience.

It’s important to note that different axle hubs may require specific types of lubricants, such as grease or oil, depending on the design and manufacturer’s recommendations. Using the correct lubricant and following the specified lubrication intervals are crucial for maintaining a healthy axle hub. Over-lubrication or under-lubrication can lead to issues such as excess heat buildup, component damage, or inadequate protection.

Regular maintenance and inspection of the axle hub, including checking the lubricant level and quality, are essential. If any signs of contamination, leakage, or inadequate lubrication are observed, appropriate action should be taken, such as replenishing or replacing the lubricant and addressing any underlying issues.

In summary, proper lubrication is vital for maintaining a healthy axle hub. It reduces friction, dissipates heat, prevents corrosion, maintains seal integrity, and reduces noise. Adequate lubrication ensures smooth operation, prolongs the lifespan of the components, and helps prevent premature failures. Following the manufacturer’s recommendations regarding lubricant type and maintenance intervals is crucial for optimal axle hub performance and longevity.

China Custom Auto Parts Automotive Bearing Front Axle Wheel Hub Assembly for Smart Roadster R187.01 Vkba6624   example of wheel and axleChina Custom Auto Parts Automotive Bearing Front Axle Wheel Hub Assembly for Smart Roadster R187.01 Vkba6624   example of wheel and axle
editor by CX 2024-01-29

China manufacturer Motorcycle Clutch Bearing, Automotive Air Conditioner Bearings, Connecting Rod Bearing, Steering Bearing, Motorcycle Wheel Ball Bearing Hub Manufacturer with Great quality

Product Description

Specifications of Bearing

Timken CZPT bearing CZPT CZPT CZPT Dodge Bearing, Auto/Agricultural Machinery Ball Bearing deep groove ball bearing wheel hub bearing skateboard bearing
HangZhou Flow Group Ltd. Virtually every type of ball and roller bearings. They are available in various cross sections and satisfy a huge variety of operating conditions and application performance requirements. 
A wide assortment of plain bearings, rod ends and bushings are also available to satisfy various oscillating movement needs. The design and material variants are extensive and offer an unparalleled selection from which to meet your application needs. 

Bearing characteristics: SKF  Deep groove ball bearing structure is simple, easy to use, mainly used to bear the radial load, is the most commonly used rolling bearings. 

Application: SKF Deep groove ball bearings can be used for gearboxes, instrumentation, motors, household appliances, internal combustion engines, traffic vehicles, agricultural machinery, construction machinery, engineering machinery, roller skating shoes, yo-yo, etc. 

Showing of Bearing 

 

Parameters of Bearing

More details of wheel hub bearing 

Model NO.       d D H Ç m
  Germany Sweden Japan Dimension (mm) Weight (kg)
DAC25525716 565592     25 52 20.6 20.6 0.19
DAC25520037 156704     25 52 37 37 0.31
DAC25520042   617546A 25BWD01 25 52 42 42 0.36
DAC25520043 546467/576467 BT2B445539AA   25 52 43 43 0.36
DAC25550043       25 55 43 43 0.44
DAC25560032 445979 BAH5000   25 56 32 32 0.34
DAC29530037 857123AB     29 53 37 37 0.35
DAC30600037       30 60 37 37 0.42
DAC30600337 529891AB BA2B633313CA 30BWD07 30 60.3 37 37 0.42
DAC30600337 545312/581736 434201B/VKBA1307 30BWD07 30 60.3 37 37 0.42
DAC34620037 531910/561447 BAHB311316B/3 0571 4   34 62 37 37 0.41
DAC34640034   VKBA1382 34BWD03/ACA78 34 64 34 34 0.43
DAC34640037 532066DE 605214/VKBA1306 34BWD04/BCA70 34 64 37 37 0.47
DAC34640037 540466B/8571 BA2B3 0571 6 34BWD11 34 64 37 37 0.47
DAC34660037 559529/580400 CA 636114A/479399 34BWD10B 34 66 37 37 0.5
DAC35640037   BAH0042   35 64 35 35 0.4
DAC35650035 546238A BA2B443952/445620B   35 65 35 35 0.4
DAC35650037     35BWD19E 35 65 37 37 0.51
DAC35660032   445980A/BAH-5001A   35 66 32 32 0.42
DAC35660033   633676/BAH-0015   35 66 33 33 0.43
DAC35660037 544307C/581571A 311309/BAH-571   35 66 37 37 0.48
DAC35680037 430042C 633528F/633295B 35BWD21 (4RS) 35 68 37 37 0.52
DAC35680037 541153A/549676 BAH0031   35 68 37 37 0.52
DAC35720033 548083 BA2B445535AE XGB 4571 35 72 33 33 0.58
DAC35720033 548033 456162/44762 B XGB 4571 35 72 33 33 0.58
DAC3572571   BAHB633669/BAH0013   35 72.04 33 33 0.58
DAC35725713/31 562686 VKBA1343 35BWD06ACA111 35 72.02 33 31 0.54
DAC35720034 54 0571 /548376 A VKBA857 35BWD01C 35 72 34 34 0.58
DAC35770042   VKBA3763   34.99 77.04 42 42 0.86
DAC37720033   BAH0051B   37 72 33 33 0.51
DAC37720037   BAH0012AM5S   37 72 37 37 0.59
DAC37725717 527631 633571CB   37 72.02 37 37 0.59
DAC37740045 541521C 35715A 37BWD01B 37 74 45 45 0.79
DAC38700037 ZFRTBRGHOO37 BAHB636193C   38 70 37 37 0.56
DAC38700038   686908A 38BWD31CA53 38 70 38 38 0.57
DAC38710033/30   FW135 38BWD09ACA120 37.99 71.02 33 30 0.5
DAC38710039 574795A VKBA3929 30BWD22 37.99 71 39 39 0.62
DAC38720036/33     30BWD12 38 72 36 33  
DAC38720040 575069B VKBA1377   38 72 40 40 0.63
DAC38730040   VKBA3245 38BWD26E 38 73 40 40 0.67
DAC38740036/33 574795A DAD3874368W 38BWD01ACA121 38 74 36 33 0.61

Packing&Delivery

Packing

A. Plastic box+outer carton+pallets
B. Plastic bag+box+carton+pallet
C. Tube package+middle box+carton+pallet
D. Of course we will also be based on your needs

Delivery

1. Most orders will be shipped within 3-5 days of payment being received. 
2. Samples will be shipped by courier as FedEx, UPS, DHL, etc. 
3. More than 3000 set bearings, it is recommended to be shipped by sea (sea transportation).  

Our Main Products 

Our Company

HangZhou Flow Group Ltd is a professional manufacturer of bearings, collecting together production and processing, domestic and foreign trade. The factory specializes in the production and export of many kinds of bearings: Deep groove ball bearing, spherical roller bearing, tapered roller bearing, and so on. The customized bearings is also acceptable and the production will be according to your requirements and samples. 

All bearings in our factory adopt international quality standards. The complete equipment, strict quality control, advanced Japanese technology and quality service provide a guarantee to supply the high-quality bearings for our customers. Domestic sales and service network has covered 15 major cities in China, meanwhile our bearing has sold more than 60 overseas countries and regions. 

Our bearings have been widely used in agriculture, textiles, mining, printing and packaging industries, in addition to applications in airports, air conditioning systems, conveyors and ship also applied. 

If you are interested in any of our bearings or have an intention to order, please feel free to contact us.  

FAQ

SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS mix different standard bearings. 
2. MOQ: 5000 PCS customized your brand bearings. 

OEM POLICY
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Types of Screw Shafts

Screw shafts come in various types and sizes. These types include fully threaded, Lead, and Acme screws. Let’s explore these types in more detail. What type of screw shaft do you need? Which 1 is the best choice for your project? Here are some tips to choose the right screw:

Machined screw shaft

The screw shaft is a basic piece of machinery, but it can be further customized depending on the needs of the customer. Its features include high-precision threads and ridges. Machined screw shafts are generally manufactured using high-precision CNC machines or lathes. The types of screw shafts available vary in shape, size, and material. Different materials are suitable for different applications. This article will provide you with some examples of different types of screw shafts.
Ball screws are used for a variety of applications, including mounting machines, liquid crystal devices, measuring devices, and food and medical equipment. Various shapes are available, including miniature ball screws and nut brackets. They are also available without keyway. These components form a high-accuracy feed mechanism. Machined screw shafts are also available with various types of threaded ends for ease of assembly. The screw shaft is an integral part of linear motion systems.
When you need a machined screw shaft, you need to know the size of the threads. For smaller machine screws, you will need a mating part. For smaller screw sizes, the numbers will be denominated as industry Numeric Sizes. These denominations are not metric, but rather in mm, and they may not have a threads-per-inch designation. Similarly, larger machine screws will usually have threads that have a higher pitch than those with a lower pitch.
Another important feature of machine screws is that they have a thread on the entire shaft, unlike their normal counterparts. These machine screws have finer threads and are intended to be screwed into existing tapped holes using a nut. This means that these screws are generally stronger than other fasteners. They are usually used to hold together electronic components, industrial equipment, and engines. In addition to this, machine screws are usually made of a variety of materials.
screwshaft

Acme screw

An Acme screw is the most common type of threaded shaft available. It is available in a variety of materials including stainless steel and carbon steel. In many applications, it is used for large plates in crushing processes. ACME screws are self-locking and are ideal for applications requiring high clamping force and low friction. They also feature a variety of standard thread forms, including knurling and rolled worms.
Acme screws are available in a wide range of sizes, from 1/8″ to 6″. The diameter is measured from the outside of the screw to the bottom of the thread. The pitch is equal to the lead in a single start screw. The lead is equal to the pitch plus the number of starts. A screw of either type has a standard pitch and a lead. Acme screws are manufactured to be accurate and durable. They are also widely available in a wide range of materials and can be customized to fit your needs.
Another type of Acme screw is the ball screw. These have no back drive and are widely used in many applications. Aside from being lightweight, they are also able to move at faster speeds. A ball screw is similar to an Acme screw, but has a different shape. A ball screw is usually longer than an Acme screw. The ball screw is used for applications that require high linear speeds. An Acme screw is a common choice for many industries.
There are many factors that affect the speed and resolution of linear motion systems. For example, the nut position and the distance the screw travels can all affect the resolution. The total length of travel, the speed, and the duty cycle are all important. The lead size will affect the maximum linear speed and force output. If the screw is long, the greater the lead size, the higher the resolution. If the lead length is short, this may not be the most efficient option.
screwshaft

Lead screw

A lead screw is a threaded mechanical device. A lead screw consists of a cylindrical shaft, which includes a shallow thread portion and a tightly wound spring wire. This spring wire forms smooth, hard-spaced thread convolutions and provides wear-resistant engagement with the nut member. The wire’s leading and trailing ends are anchored to the shaft by means appropriate to the shaft’s composition. The screw is preferably made of stainless steel.
When selecting a lead screw, 1 should first determine its critical speed. The critical speed is the maximum rotations per minute based on the natural frequency of the screw. Excessive backlash will damage the lead screw. The maximum number of revolutions per minute depends on the screw’s minor diameter, length, assembly alignment, and end fixity. Ideally, the critical speed is 80% of its evaluated critical speed. A critical speed is not exceeded because excessive backlash would damage the lead screw and may be detrimental to the screw’s performance.
The PV curve defines the safe operating limits of a lead screw. This relationship describes the inverse relationship between contact surface pressure and sliding velocity. As the PV value increases, a lower rotation speed is required for heavier axial loads. Moreover, PV is affected by material and lubrication conditions. Besides, end fixity, which refers to the way the lead screw is supported, also affects its critical speed. Fixed-fixed and free end fixity are both possible.
Lead screws are widely used in industries and everyday appliances. In fact, they are used in robotics, lifting equipment, and industrial machinery. High-precision lead screws are widely used in the fields of engraving, fluid handling, data storage, and rapid prototyping. Moreover, they are also used in 3D printing and rapid prototyping. Lastly, lead screws are used in a wide range of applications, from measuring to assembly.

Fully threaded screw

A fully threaded screw shaft can be found in many applications. Threading is an important feature of screw systems and components. Screws with threaded shafts are often used to fix pieces of machinery together. Having fully threaded screw shafts ensures that screws can be installed without removing the nut or shaft. There are 2 major types of screw threads: coarse and fine. When it comes to coarse threads, UTS is the most common type, followed by BSP.
In the 1840s, a British engineer named Joseph Whitworth created a design that was widely used for screw threads. This design later became the British Standard Whitworth. This standard was used for screw threads in the United States during the 1840s and 1860s. But as screw threads evolved and international standards were established, this system remained largely unaltered. A new design proposed in 1864 by William Sellers improved upon Whitworth’s screw threads and simplified the pitch and surface finish.
Another reason for using fully threaded screws is their ability to reduce heat. When screw shafts are partially threaded, the bone grows up to the screw shaft and causes the cavity to be too narrow to remove it. Consequently, the screw is not capable of backing out. Therefore, fully threaded screws are the preferred choice for inter-fragmentary compression in children’s fractures. However, surgeons should know the potential complication when removing metalwork.
The full thread depth of a fully threaded screw is the distance at which a male thread can freely thread into the shaft. This dimension is typically 1 millimeter shy of the total depth of the drilled hole. This provides space for tap lead and chips. The full-thread depth also makes fully threaded screws ideal for axially-loaded connections. It is also suitable for retrofitting applications. For example, fully threaded screws are commonly used to connect 2 elements.
screwshaft

Ball screw

The basic static load rating of a ball screw is determined by the product of the maximum axial static load and the safety factor “s0”. This factor is determined by past experience in similar applications and should be selected according to the design requirements of the application. The basic static load rating is a good guideline for selecting a ball screw. There are several advantages to using a ball screw for a particular application. The following are some of the most common factors to consider when selecting a ball screw.
The critical speed limit of a ball screw is dependent on several factors. First of all, the critical speed depends on the mass, length and diameter of the shaft. Second, the deflection of the shaft and the type of end bearings determine the critical speed. Finally, the unsupported length is determined by the distance between the ball nut and end screw, which is also the distance between bearings. Generally, a ball screw with a diameter greater than 1.2 mm has a critical speed limit of 200 rpm.
The first step in manufacturing a high-quality ball screw is the choice of the right steel. While the steel used for manufacturing a ball screw has many advantages, its inherent quality is often compromised by microscopic inclusions. These microscopic inclusions may eventually lead to crack propagation, surface fatigue, and other problems. Fortunately, the technology used in steel production has advanced, making it possible to reduce the inclusion size to a minimum. However, higher-quality steels can be expensive. The best material for a ball screw is vacuum-degassed pure alloy steel.
The lead of a ball screw shaft is also an important factor to consider. The lead is the linear distance between the ball and the screw shaft. The lead can increase the amount of space between the balls and the screws. In turn, the lead increases the speed of a screw. If the lead of a ball screw is increased, it may increase its accuracy. If not, the lead of a ball screw can be improved through preloading, lubrication, and better mounting accuracy.

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