China Best Sales CZPT CZPT CZPT CZPT Tapered Roller Bearings for Sale 07100/96 Lm11949/10 M12649/10 bearing bronze

Product Description

CZPT CZPT CZPT CZPT Bearing Distributor Manufacture Double Row Tapered/Taper/Conical Roller Bearings for Railway Auto

Why choose us
1. Bearing design: We have our bearing R&D team, which adopts German technology. This enables us to provide you with OEM and ODM services.

2. Production process: We strictly follow the 5S production process and have passed the ISO9001:2008 quality management system certification. In addition, we have imported lathes and heat treatment equipment from world-renowned brands from abroad, enabling us to provide high-precision bearings with similar quality to world-renowned brands such as TIMKEN, NSK, NTN, KOYO, NACHI, etc.

3. Material: To ensure the high quality of the bearing, we use high carbon chromium bearing steel with high rigidity and high wear resistance to produce the bearing. Low carbon cold rolled steel and low carbon stainless steel can also be selected according to customer requirements.

4. Quality inspection: All bearings will be strictly inspected before packing. We have Talysurf, Hardness Tester, Clearance Tester, Vibration (Speed) Measuring Instrument, and Roundness Tester to ensure all bearings are up to standard.

5. Lubricant: Use a suitable lubricant to protect the bearing from oxidation or corrosion of the parts, so that our bearings have a longer service life, lower noise, and better high-temperature performance. Proper selection of a high-quality lubricalubricant cant can prevent metal-to-metal contact and conduct heat away from the bearing.

6. Packaging: CZPT bearings pay attention to every detail in the bearing production process. We use plastic bags, kraft paper, thick cartons, and cartons to protect bearings from accidental damage during transportation and storage.

7. Factory direct sales: We are a factory, not a distributor or trade agent, so we can provide the same quality and competitive price.

Product Description


Double Row Tapered/Taper/Conical Roller Bearings for Railway Auto

                                                       Δ Other Bearings Δ

About Tapered roller bearing

A, 32200-32226 data for your better reference: 

Bearing No. Dimension(mm) Basic Load rating(KN)  Weight
d D T B C R r Cr Cor (kg)
32200 Series
32203 17 40 17.25 16S 14 1 1 27.4 27.5 0.105
32204 20 47 19.25 18 15 1 1 33.1 34.7 0.166
322/22 22 50 19.25 18 15 1 1     0.18
32205 25 52 19.25 18 16 1 1 39.8 44.8 0.187
322/28 28 58 20.25 19 16 1 1     0.243
32206 30 62 21.25 20 17 1 1 50.7 57.9 0.287
322/32 32 65 22.25 21 18 1 1     0.336
32207 35 72 24.25 23 19 1.5 1.5 69.6 82.4 0.445
32208 40 80 24.75 23 19 1.5 1.5 77.7 90.8 0.532
32209 45 85 24.75 23 19 1.5 1.5 84.2 104 0.573
32210 50 90 24.75 23 19 1.5 1.5 85 105 0.626
32211 55 100 26.75 25 21 2 1.5 107 133 0.853
32212 60 110 29.75 28 24 2 1.5 132.8 179.6 1.17
32213 65 120 32.75 31 27 2 1.5 160.9 221.7 1.55
32214 70 125 33.25 31 27 2 1.5 168.5 237.1 1.66
32215 75 130 33.25 31 27 2 1.5 170.3 242.1 1.72
32216 80 140 35.25 33 28 2.5 2 198.1 279 2.1
32217 85 150 38.5 36 30 2.5 2 226.7 324 2.64
32218 90 160 42.5 40 34 2.5 2 269 396 3.41
32219 95 170 45.5 43 37 3 2.5 301 301 4.22
32220 100 180 49 46 39 2 2.5 340 513 5.05
32221 105 190 53 50 43 3 2.5 380 581 6.26
32222 110 200 56 53 46 3.5 2 430 668 7.35
32224 120 215 61.5 58 50 3 2.5 475 764 9
32226 130 230 67.75 64 54 4 3 549 895 11.3


BEARING NO My NO d/mm D/mm B/mm
33205 same 25 52 22
32011 same 55 90 23
578225 same 21.43 50.005 17
32204 same 20 47 19.25
13687/21 same 38.1 69.012 19.05
1252L same 60 95 23
44649/10 same 1.0625 1.98 0.56
11949/10 same 0.75 1.781 0.61
11749/10 same      
69349/10 same 38 63 17
68149/10 same 1.3775 2.328 0.625
84548/10 same 1 2.25 0.765
88048/10 same 33.34 68.26 22.23

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

Company Profile

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,
elarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico,India, Pakistan, Turkey, Vietnam and other industrial
            Honor and Certification
Rated as an excellent company in the local area, and both quality and management systems have been recognized.

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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Materical: Chrome Steel Gcr15
Precision Rating: P0 P6 P5
Seals Type: 2RS
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 Best Sales CZPT CZPT CZPT CZPT Tapered Roller Bearings for Sale 07100/96 Lm11949/10 M12649/10   bearing bronzeChina Best Sales CZPT CZPT CZPT CZPT Tapered Roller Bearings for Sale 07100/96 Lm11949/10 M12649/10   bearing bronze
editor by CX 2024-02-18

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.

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