China Professional Non-Standard Bearings Supplier Deep Tapered Auto Spherical Needle Wheel Roller Pillow Block Ball Bearing for Car Truck Parts 84548/10 88048/10 with high quality

Product Description

Non-Standard Bearings Supplier Deep Tapered Auto Spherical Needle Wheel Roller Pillow Block Ball Bearing
for Car Truck Parts 84548/10 88048/10

Factory Directly Transmission Bearing 495/493 Export Europe Asia Inch Size Taper Roller Bearing CZPT

1. Tapered roller bearings are divided into single-row, double-row, and four-row tapered roller bearings. Widely used in automobiles, rolling mills, mining, metallurgy, plastic machinery, and other industries.
2. We can provide you with non-standard tapered roller bearings and automotive bearings.

Product Description

Product: Tapered roller bearing
Size: 40-800mm and non-standard
Optional material: Chrome steel / stainless steel /carbon steel
Product accuracy class P0 P6 P5
Cage type: Stamping steel plate, type code E
Type: Single-row, double-row, four-row

Model (non standard)

11749/11710 501349/501310 25590/25520 29748/29710 44649/44610 78349/78310 89443/89410
11949/11910 603049/6571 25590/25523 29749/29710 48548/48510 88043/88571 89446/89410
12649/12610 603049/603012 28580/28521 30305X2B 67048/67571 88046/88571 89449/89410
12748/12710 801346/801310 28584/28521 30306X2B 68149/68110 84249/84210 157149/157110
12749/12710 801349/801310 28682/28622 32008X1WC 68149/68111 86649/86610 104948/104910
15101/15245 85716/85710 28985/28921 45449/45410 68149/68114 89249/89210 104949/104910
25580/25520 85719/85710 29587/29521 44643/44610 69349/69310 89440/89410  
320/32 302/28 322/22 322/32 350/354 368A/362A 387A/382A
320/28 76/32 397/394A        
580/572 88048/10 12049/10 392/394 29685/20 33281/462  
529/522 27687/20 37425/625 390A/394 212049/10 33275/462  
212049/10 819349/10 37431/625 359/354 33287/462    
BEARING NO d/mm D/mm B/mm      
84548/10 1 2.25 0.765      
88048/10 33.34 68.26 22.23      
69349/10 38 63 17      
68149/10 1.3775 2.328 0.625      
33205 25 52 22      
13687/21 38.1 69.012 19.05      
32011 55 90 23      
1252L 60 95 23      
411280 30 72 25/28      
578225 21.43 50.005 17      
44649/10 1.0625 1.98 0.56      
11949/10 0.75 1.781 0.61      
32204 20 47 19.25      

Size customization services are available, just send us the drawings and we will customize the production for you. There are more non-standard bearings, please feel free to consult us.

Our packing:
* Industrial pakage+outer carton+pallets
* single box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirements


Company Profile



1. 20+ years of experience in manufacturing bearing;
2. Annual output value of more than 40 million yuan;
3.Passed the ISO9001 international quality certification system;
4.160 sets imported production pieces of equipment;
5. Professional sales team.

      We have been engaged in foreign trade for more than 6 years and are well-known enterprises in ZheJiang
Province. The fixed assets of the machine are more than 2 million US dollars and the annual foreign trade
sales volume exceeds 2 million US dollars.
     We have extensive cooperation with countries in Asia, Europe, and the Americas. Including Russia, Ukraine,
Belarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico, India, Pakistan, Turkey, Vietnam and other industrial



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.

The customized LOGO or drawing is acceptable for us.

1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  3000 pcs customized your brand bearings.

1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.

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Application: Transmission, Motor, Transport
Precision Rating: P0 P6 P5
Clearance: C0 C2 C3
US$ 5/Piece
1 Piece(Min.Order)


Order Sample



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.

roller bearing

What is the role of cage design and materials in roller bearing performance and durability?

The design and materials used in the cage of a roller bearing have a significant impact on its performance and durability. The cage, also known as the retainer or separator, holds and spaces the rolling elements within the bearing, ensuring their proper alignment and distribution. Here’s a detailed explanation of the role of cage design and materials in roller bearing performance and durability:

  • Rolling Element Guidance:

The primary role of the cage is to guide the rolling elements, such as balls or rollers, within the bearing. The design of the cage determines the spacing and orientation of the rolling elements, maintaining their proper alignment and preventing contact or interference. By guiding the rolling elements, the cage minimizes friction and wear, allowing for smooth and efficient operation of the bearing. It also prevents the rolling elements from skewing or tilting, which could lead to uneven load distribution and premature failure.

  • Load Distribution:

The cage plays a critical role in distributing the loads applied to the bearing evenly among the rolling elements. It helps prevent excessive stress on individual elements, reducing the risk of fatigue, brinelling, or premature wear. An optimally designed cage ensures that the loads are properly distributed, maximizing the bearing’s load-carrying capacity and enhancing its durability under various operating conditions.

  • Lubricant Retention:

The cage also assists in retaining the lubricant within the bearing. It helps create spaces or pockets for lubricant storage, allowing for proper lubrication of the rolling elements and raceways. Effective lubrication reduces friction, heat generation, and wear, promoting smoother operation and extending the bearing’s service life. The cage design should account for sufficient lubricant retention while minimizing excessive drag or churning losses.

  • Friction and Heat Generation:

The materials used in the cage can impact the frictional characteristics and heat generation of the bearing. The design and material selection should aim to minimize friction between the cage and the rolling elements, as well as between the cage and the bearing rings. This reduces energy losses and heat buildup, enhancing the overall efficiency of the bearing. Materials with low friction coefficients and good thermal conductivity, such as engineered plastics or certain types of metals, are commonly used for cage construction.

  • Strength and Durability:

Cage materials should possess sufficient strength and durability to withstand the operating conditions and loads imposed on the bearing. The cage must resist deformation or fatigue under normal operating loads, ensuring the stability and integrity of the rolling element arrangement. The choice of cage material depends on factors such as the application’s speed, temperature, and load requirements. Common cage materials include steel, brass, polyamide (nylon), and various engineered plastics.

  • Noise and Vibration:

The cage design and materials can also influence the noise and vibration characteristics of the bearing. Properly designed and well-matched cages help minimize cage-induced vibrations and rattling, which can contribute to undesirable noise levels. Additionally, certain cage materials with good damping properties can help reduce vibrations and noise generated by the rolling elements’ impacts or resonance phenomena, further improving the bearing’s performance and user experience.

In summary, the cage design and materials significantly impact the performance and durability of roller bearings. They play a vital role in guiding the rolling elements, distributing loads, retaining lubrication, minimizing friction and heat generation, ensuring strength and durability, and influencing noise and vibration levels. By carefully considering the cage design and selecting appropriate materials, manufacturers can optimize the bearing’s performance, improve its reliability, and extend its service life in various applications and operating conditions.

roller bearing

Can you explain the maintenance and installation considerations for roller bearings?

Maintenance and proper installation are crucial for ensuring the optimal performance, longevity, and reliability of roller bearings. Following appropriate maintenance practices and installation procedures helps to prevent premature failure, minimize downtime, and maximize the operational efficiency of roller bearings. Here’s a detailed explanation of the maintenance and installation considerations for roller bearings:

  • Inspection and Cleaning:

Prior to installation, it is essential to inspect roller bearings for any signs of damage, wear, or contamination. This includes checking for cracks, dents, or other visible defects. Additionally, the bearing surfaces should be thoroughly cleaned to remove any dirt, debris, or old lubricant residues that may affect performance. Proper cleaning techniques, such as using appropriate solvents or cleaning agents, should be employed to avoid damaging the bearing components.

  • Proper Lubrication:

Applying the correct lubricant in the appropriate quantity is vital for the smooth operation and extended lifespan of roller bearings. Lubrication helps to reduce friction, dissipate heat, prevent wear, and protect against corrosion. It is important to follow the manufacturer’s recommendations regarding the type of lubricant to use and the lubrication interval. Over- or under-lubrication can have detrimental effects on bearing performance. Lubrication should be performed with clean tools and equipment to avoid introducing contaminants into the bearing.

  • Correct Handling and Storage:

Roller bearings should be handled and stored with care to prevent damage. They should be stored in clean, dry, and vibration-free environments to avoid contamination and the potential for rust or corrosion. When handling, gloves should be worn to prevent the transfer of oils and moisture from the skin to the bearing surfaces. Bearings should be kept in their original packaging until the time of installation to protect them from dust, dirt, and other contaminants.

  • Proper Mounting and Alignment:

During installation, it is crucial to ensure proper mounting and alignment of roller bearings. The following considerations should be taken into account:

  • Fitting and Clearance: Roller bearings should be properly fitted onto the shaft or in the housing to achieve the specified clearance or preload. Excessive interference or insufficient clearance can lead to increased friction, premature wear, and reduced performance.
  • Mounting Tools: The appropriate tools and equipment should be used for mounting roller bearings to avoid damaging the bearing components. Specialized mounting tools, such as induction heaters or hydraulic presses, may be required for certain applications to ensure accurate and controlled installation.
  • Alignment: Roller bearings should be aligned properly to ensure that the load is distributed evenly across the bearing surfaces. Misalignment can result in increased stress, vibration, and premature failure. Alignment techniques, such as using dial indicators or laser alignment tools, should be employed to achieve the desired alignment.
  • Regular Inspection and Monitoring:

Once roller bearings are installed, regular inspection and monitoring should be carried out to identify any signs of wear, damage, or abnormal operating conditions. This includes checking for unusual noise, excessive heat, vibration, or leakage. Regular maintenance intervals should be established to perform necessary cleaning, lubrication, and re-greasing. Monitoring techniques, such as vibration analysis or temperature measurement, can be employed to detect early signs of bearing deterioration and schedule maintenance activities proactively.

In summary, maintenance and installation considerations play a vital role in ensuring the optimal performance and lifespan of roller bearings. Proper inspection, cleaning, lubrication, handling, storage, mounting, alignment, and regular monitoring are key factors in maintaining the reliability and efficiency of roller bearings. Adhering to recommended maintenance practices and following proper installation procedures contribute to minimizing downtime, preventing premature failure, and maximizing the operational effectiveness of roller bearings in various industrial applications.

roller bearing

Can you describe the load-carrying capacity and load ratings of roller bearings?

Load-carrying capacity and load ratings are crucial parameters that determine the performance and reliability of roller bearings. Understanding these concepts is important for selecting the appropriate roller bearing for a given application. Here’s a detailed explanation of load-carrying capacity and load ratings in roller bearings:

  • Load-Carrying Capacity:

The load-carrying capacity of a roller bearing refers to its ability to support and distribute loads without excessive deformation or premature failure. It is a measure of the maximum load that a bearing can withstand under specific operating conditions. The load-carrying capacity depends on various factors, including the bearing’s design, materials, dimensions, and lubrication. Roller bearings are designed to handle different types of loads, including radial loads, axial loads, and combined loads.

  • Radial Load:

Radial load refers to the load that acts perpendicular to the axis of rotation. In roller bearings, the load-carrying capacity for radial loads is determined by the size and arrangement of the rolling elements (rollers) and the raceways. The larger the contact area between the rollers and the raceways, the higher the radial load-carrying capacity of the bearing. Roller bearings are commonly used in applications with significant radial loads, such as in the wheels of vehicles or heavy machinery.

  • Axial Load:

Axial load refers to the load that acts parallel to the axis of rotation. Roller bearings can handle axial loads through different mechanisms, depending on their design. Thrust roller bearings, for example, use cylindrical or tapered rollers arranged in a specific orientation to accommodate axial loads. Spherical roller bearings utilize barrel-shaped rollers to distribute axial loads. The load-carrying capacity for axial loads depends on factors such as the number and size of the rollers and the contact angle. Roller bearings are commonly used in applications where axial loads are present, such as in gearboxes or thrust applications.

  • Combined Load:

Combined loads refer to the simultaneous presence of both radial and axial loads. Roller bearings are designed to handle combined loads by distributing the load between the radial and axial components. The load-carrying capacity for combined loads depends on the bearing’s design, the arrangement of the rollers, and the contact angles. By properly selecting and applying roller bearings, machinery and equipment can effectively handle complex loading conditions.

  • Load Ratings:

Load ratings are standardized values that provide information about the maximum load a roller bearing can handle under specific operating conditions. Load ratings are typically specified by manufacturers and can be found in bearing catalogs or technical documentation. The two main load ratings for roller bearings are:

  • Dynamic Load Rating:

The dynamic load rating indicates the maximum load that a bearing can withstand for a specified number of rotations (usually one million) without developing excessive wear or fatigue. It is based on statistical calculations and represents a hypothetical load under ideal conditions. The dynamic load rating is used to compare the load-carrying capacity of different bearings and assist in bearing selection for a given application.

  • Static Load Rating:

The static load rating indicates the maximum load that a bearing can withstand without permanent deformation or failure while at rest. Unlike the dynamic load rating, the static load rating is not based on the number of rotations but on the bearing’s ability to support a load without experiencing excessive stress. The static load rating is particularly important in applications where the bearing operates under static or slowly varying loads.

It’s important to note that load ratings are provided as reference values and should be used as guidelines for bearing selection. Actual operating conditions, such as speed, temperature, lubrication, and external factors, can affect the load-carrying capacity of a roller bearing. Consulting the manufacturer’s documentation and considering the specific application requirements are essential for accurate bearing selection and ensuring optimal performance and reliability.

China Professional Non-Standard Bearings Supplier Deep Tapered Auto Spherical Needle Wheel Roller Pillow Block Ball Bearing for Car Truck Parts 84548/10 88048/10   with high qualityChina Professional Non-Standard Bearings Supplier Deep Tapered Auto Spherical Needle Wheel Roller Pillow Block Ball Bearing for Car Truck Parts 84548/10 88048/10   with high quality
editor by CX 2024-03-23

Roller Bearing

As one of the leading roller bearing manufacturers, suppliers, and exporters of mechanical products, We offer roller bearing and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of roller bearing.

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