China Professional 33211 Size 55*100*35mm Tapered Roller Bearing for Automobile/Plastic Machinery Single Row bearing example

Product Description

Detailed Photos

Product Parameters

Model Size Rated load Rated Speed Weight
ID OD Width CR COR Grease Oil
mm mm mm KN KN r/min r/min KG
33111 55 95 30 115 165 3800 4800 0.84 
33112 60 100 30 118 172 3600 4500 0.90 
33113 65 110 34 142 220 3400 4300 1.30 
33114 70 120 37 172 268 3200 4000 1.70 
33115 75 125 37 175 280 3000 3800 1.78 
33116 80 130 37 180 292 2800 3600 1.87 
33117 85 140 41 215 355 2600 3400 2.43 
33118 90 150 45 252 415 2400 3200 3.13 
33119 95 160 49 298 498 2200 3000 3.94
33120 100 165 52 4.31 
33121 105 175 56 352 608 1900 2600 5.29 
33122 110 180 56 372 638 1800 2400 5.50 
33124 120 200 62 448 778 1600 2000 7.68 
33205 25 52 22 47 55.8 7000 9000 0.22 
33206 30 62 25 63.8 75.5 6000 7500 0.34 
33207 35 72 28 82.5 102 5300 6700 0.52 
33208 40 80 32 105 135 5000 6300 0.72 
33209 45 85 32 110 145 4500 5600 0.77 
33210 50 90 32 112 155 4300 5300 0.83 
33211 55 100 35 142 198 3800 4800 1.15 
33212 60 110 38 165 230 3600 4500 1.51 
33213 65 120 41 202 282 3200 4000 1.99 

Packaging & Shipping

Plastic bag + single box + carton + tray;
Industrial packaging + carton + pallet;
Provide OEM service.

Company Profile

ZheJiang Jieyi Bearing Co., Ltd. is a more than 10-year history of bearing trading company. We are located in the biggest bearing town in China–Yiandian Town.

Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings, Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings and Trust Roller Bearings and Special Bearings.

Jieyi Bearing has advanced quality testing and inspecting equipment, to guarantee product quality meets customers’ demand. Annually our company′s export over 10 million dollars.

To service dear customers at the fastest speed, we built a great Warehouse to stock bearings, so as to ship your required bearings fast. Inside of the bearing warehouse, there is all sourcing of bearing stock, with all kinds of bearings, over 10000 types.

Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.
Products have been selling well in the American, French, Spanish, Austria, Italian, the U. A. E. Saudi, Pakistan, India, and Brizal markets.

With over 10 years′ experience in bearings market, Jieyi Bearing have built up good relationship with all of our customers and quality factory. We always get satisfactory feedback from our customers because of the high quality products and good OEM service. We always supply the quality, stable, economical bearings and proper technical services.

Welcome to people of various enterprises with advance!


Always a pre-production sample before mass production;
Always final Inspection before shipment;

Deep Groove Ball Bearings, Spherical Roller Bearings, Cylindrical Roller Bearings, Tapered Roller Bearings and Ceramic Bearings.

Specilizing In various types of bearings

Accepted Delivery Terms: FOB,CFR,CIF;
Accepted Payment Currency: USD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken: English,Chinese

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Tapered Roller Bearings:Widely used in automobiles, rolling mills, mining, metallurgy, plastic machinery and other industries.

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Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Small and Medium-Sized (60-115mm)
US$ 4/Piece
1 Piece(Min.Order)


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

plastic bearing

Are there specific considerations for choosing plastic bearings in applications with high-speed or high-temperature requirements?

Yes, there are specific considerations for choosing plastic bearings in applications with high-speed or high-temperature requirements. Here’s a detailed explanation:

  • 1. High-Speed Considerations:

When selecting plastic bearings for high-speed applications, several factors need to be considered:

  • a. Material Selection:

The choice of plastic material is crucial for high-speed applications. Certain plastics, such as PEEK (Polyether Ether Ketone) or PTFE (Polytetrafluoroethylene), offer excellent mechanical properties and low friction characteristics, making them suitable for high-speed operation. These materials have good dimensional stability, high strength, and low coefficients of friction, which minimize heat generation and reduce the risk of premature failure at elevated speeds.

  • b. Cage Design:

The cage design plays a vital role in high-speed applications. A cage with low mass and optimal geometry can reduce centrifugal forces and minimize the risk of cage instability or cage-to-rolling-element contact at high speeds. Cages with designs that promote efficient lubricant distribution and minimize friction are also beneficial for high-speed operation.

  • c. Lubrication:

Proper lubrication is critical for high-speed applications. The lubricant helps reduce friction, dissipate heat, and provide a protective film between the rolling elements and the bearing surfaces. Synthetic lubricants with high viscosity index and low evaporation rates are typically used in high-speed plastic bearings to ensure sufficient lubrication and reduce the risk of lubricant breakdown or loss at elevated speeds.

  • d. Temperature Control:

High-speed applications can generate significant heat due to friction and internal forces. Adequate temperature control measures, such as cooling systems or heat dissipation techniques, should be considered to prevent excessive heat buildup. The selection of plastic materials with good thermal conductivity and resistance to temperature extremes can also help in managing high temperatures in high-speed applications.

  • 2. High-Temperature Considerations:

When choosing plastic bearings for high-temperature applications, the following factors should be taken into account:

  • a. Temperature Resistance:

Plastic materials exhibit varying degrees of temperature resistance. It is essential to select plastic bearings made from materials that can withstand the anticipated operating temperatures without significant degradation or loss of mechanical properties. High-temperature plastics such as PEEK, PPS (Polyphenylene Sulfide), or PI (Polyimide) are commonly used in applications with elevated temperatures.

  • b. Lubrication:

Choosing the right lubricant is crucial for high-temperature applications. Lubricants with high-temperature stability and resistance to oxidation are required to ensure effective lubrication and prevent lubricant breakdown or evaporation at elevated temperatures. Specialized high-temperature lubricants, such as synthetic oils or greases, are commonly used in plastic bearings for high-temperature applications.

  • c. Clearance and Expansion:

Plastic materials can exhibit thermal expansion properties that differ from metals. It is important to consider the coefficient of thermal expansion of the plastic bearing and its components to ensure proper clearance and prevent interference or binding at high temperatures. The selection of materials and the design of the bearing should account for the anticipated thermal expansion to maintain optimal performance and prevent damage.

  • d. Ventilation and Heat Dissipation:

High-temperature applications require adequate ventilation and heat dissipation mechanisms to prevent excessive heat buildup. The design of the equipment or machinery housing should facilitate proper airflow and heat transfer to maintain the bearing’s temperature within acceptable limits. Additionally, incorporating cooling systems or heat sinks may be necessary in extreme high-temperature conditions.

In summary, choosing plastic bearings for high-speed or high-temperature applications requires careful consideration of factors such as material selection, cage design, lubrication, temperature resistance, clearance and expansion, and heat dissipation. By taking these specific considerations into account, manufacturers can ensure the optimal performance, reliability, and durability of plastic bearings in applications with high-speed or high-temperature requirements.

plastic bearing

How do innovations and advancements in plastic bearing technology impact their use?

Innovations and advancements in plastic bearing technology have a significant impact on their use across various industries. Here’s a detailed explanation:

  • 1. Enhanced Performance:

Advancements in plastic bearing technology have led to improved performance characteristics. Innovations in materials, manufacturing processes, and design techniques have resulted in plastic bearings that offer enhanced load capacity, reduced friction, improved wear resistance, and increased durability. These advancements allow plastic bearings to be used in a broader range of applications and environments where they previously may have been limited.

  • 2. Expanded Application Range:

The advancements in plastic bearing technology have expanded their application range. With improved performance and the ability to withstand demanding operating conditions, plastic bearings can now be utilized in industries and applications that were traditionally dominated by metal bearings. They can be found in industries such as automotive, food processing, medical devices, electronics, renewable energy, and many others where their unique properties and benefits are highly valued.

  • 3. Cost Savings:

Innovations in plastic bearing technology have brought about cost savings for industries. Plastic bearings often have lower production costs compared to metal bearings, and their lightweight nature can lead to reduced energy consumption in certain applications. Additionally, plastic bearings may eliminate the need for external lubrication, reducing maintenance costs and downtime. These cost-saving advantages make plastic bearings an attractive option for industries seeking efficient and economical solutions.

  • 4. Corrosion and Chemical Resistance:

Advancements in plastic bearing technology have addressed the challenges of corrosion and chemical resistance. Newer plastic materials and formulations offer excellent resistance to a wide range of corrosive substances, acids, solvents, and aggressive chemicals. This makes plastic bearings suitable for industries where exposure to harsh environments or aggressive media is common, such as chemical processing, wastewater treatment, or marine applications.

  • 5. Noise and Vibration Reduction:

Innovations in plastic bearing technology have led to the development of bearings with improved noise and vibration reduction capabilities. This is particularly beneficial in industries where noise and vibration can negatively impact performance, precision, and user comfort. Plastic bearings with advanced designs and dampening properties help minimize noise and vibration, making them suitable for applications such as electric motors, household appliances, or medical equipment.

  • 6. Sustainability and Environmental Considerations:

Advancements in plastic bearing technology have also focused on sustainability and environmental considerations. Newer plastic materials may be recyclable or made from recycled content, reducing the environmental impact. Additionally, plastic bearings often require less lubrication compared to metal bearings, resulting in lower consumption of lubricants and reduced environmental contamination. These sustainable aspects align with the growing demand for eco-friendly solutions in various industries.

In summary, innovations and advancements in plastic bearing technology have a significant impact on their use. These advancements result in enhanced performance, expanded application range, cost savings, improved corrosion and chemical resistance, noise and vibration reduction, and sustainability considerations. As plastic bearing technology continues to evolve, industries can benefit from these advancements by adopting plastic bearings that offer superior performance, reliability, and efficiency in their specific applications.

plastic bearing

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

Load-carrying capacity and load ratings are important considerations when evaluating the performance of plastic bearings. Here’s a detailed description of load-carrying capacity and load ratings for plastic bearings:

  • Load-Carrying Capacity:

The load-carrying capacity of a bearing refers to its ability to support and distribute loads without excessive deformation or failure. It is a measure of the maximum load that a bearing can withstand under specific operating conditions. Plastic bearings typically have lower load-carrying capacities compared to traditional metal or steel bearings. This is because plastic materials generally have lower strength and stiffness properties compared to metals.

The load-carrying capacity of plastic bearings depends on various factors, including the material properties, design, and operating conditions. Plastic bearings are suitable for applications with moderate loads where the load requirements are within their capacity limits. It is important to consult the manufacturer’s specifications and guidelines to ensure that the chosen plastic bearing can handle the expected loads for a given application.

  • Load Ratings:

Load ratings provide a standardized measure of a bearing’s load-carrying capacity. They are typically provided by bearing manufacturers and help users select the appropriate bearing for their specific application. Load ratings consider factors such as bearing geometry, material properties, and operating conditions to determine the maximum allowable loads.

In the case of plastic bearings, load ratings are often specified as dynamic load ratings and static load ratings:

  • 1. Dynamic Load Rating:

The dynamic load rating indicates the maximum load that a bearing can sustain for a specified number of rotations or cycles while still maintaining acceptable performance and reliability. It takes into account factors such as the rolling elements’ fatigue life and the material’s ability to withstand cyclic stresses. The dynamic load rating is typically higher than the static load rating since bearings are designed to handle dynamic loads during operation.

  • 2. Static Load Rating:

The static load rating refers to the maximum load that a bearing can sustain without experiencing permanent deformation or failure while being stationary or subjected to a constant load. It is a measure of the bearing’s capacity to handle static or slowly changing loads. The static load rating is generally higher than the dynamic load rating since static loads do not induce the same level of stress and fatigue as dynamic loads.

It’s important to note that load ratings provided by manufacturers are based on standardized testing methods and assumptions about operating conditions. Actual load capacities in specific applications may vary depending on factors such as bearing size, temperature, speed, lubrication, and alignment. Therefore, it is crucial to consider the specific application requirements and consult the manufacturer’s guidelines to ensure that the selected plastic bearing is suitable for the anticipated loads.

China Professional 33211 Size 55*100*35mm Tapered Roller Bearing for Automobile/Plastic Machinery Single Row   bearing exampleChina Professional 33211 Size 55*100*35mm Tapered Roller Bearing for Automobile/Plastic Machinery Single Row   bearing example
editor by CX 2024-05-14