China supplier Deep Groove Ball/Engine Gear/Lazy Susan Turntable/Kg/Nylon Roller/Plain/Plastic/Slewing/Tapered/Waterproof/Spherical/Magnetic/Excavator Bearing 22211cac/ W33 bearing air

Product Description

Spherical Roller Bearings has double row rollers, the outer ring has 1 common spherical raceway, and the inner ring has 2 raceways, which are inclined at an angle relative to the bearing axis. This ingenious structure makes it have automatic centering performance, so it is not easy to be affected by the error or shaft bending caused by the angle between the shaft and the bearing housing seat. It is suitable for the occasion of angle error caused by installation error or shaft deflection. In addition to bearing radial load, the bearing can also bear two-way axial load.

Model Size Rated dynamic load (KN) Rated static load (KN) Weight                (kg)
d D B
22208CAC/ W33 40 80 23 77 88.4 0.524
22209CAC/ W33 45 85 23 80.5 95.2 0.571
22210CAC/ W33 50 90 23 83.7 102 0.614
22211CAC/ W33 55 100 25 103 126 0.847
22212CAC/ W33 60 110 28 123 154 1.154
22213CAC/ W33 65 120 31 151 194 1.535
22214CAC/ W33 70 125 31 151 196 1.596
22215CAC/ W33 75 130 31 162 215 1.687
22216CAC/ W33 80 140 33 175 234 2.132
22217CAC/ W33 85 150 36 213 282 2.665
22218CAC/ W33 90 160 40 249 337 3.383
22219CAC/ W33 95 170 43 283 390 4.198
22220CAC/ W33 100 180 46 316 435 5.006
22222CAC/ W33 110 200 53 411 588 7.318
22224CAC/ W33 120 215 58 479 691 9.001
22226CAC/ W33 130 230 64 563 832 11.159
22228CAC/ W33 140 250 68 639 954 14.166
22308CAC/ W33 40 90 33 119 137 1.015
22309CAC/ W33 45 100 36 143 169 1.365
22310CAC/ W33 50 110 40 178 212 1.789
22311CAC/ W33 55 120 43 210 252 2.31
22312CAC/ W33 60 130 46 242 292 2.879
22313CAC/ W33 65 140 48 264 321 3.467
22314CAC/ W33 70 150 51 313 396 4.344
22315CAC/ W33 75 160 55 348 447 5.279
22316CAC/ W33 80 170 58 392 507 6.32
22317CAC/ W33 85 180 60 429 555 7.274
22318CAC/ W33 90 190 64 483 639 8.643
22319CAC/ W33 95 200 67 531 705 9.967
22320CAC/ W33 100 215 73 617 833 12.722
22322CAC/ W33 110 240 80 714 968 17.54

About us
ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings. 
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.


1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.
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Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Aligning Bearings
Load Direction: Radial Bearing
US$ 60/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

plastic bearing

What are the eco-friendly or sustainable aspects of plastic bearing materials?

Plastic bearing materials offer several eco-friendly and sustainable aspects. Here’s a detailed explanation:

  • 1. Recyclability:

Many plastic bearing materials are recyclable. At the end of their useful life, these bearings can be collected, processed, and transformed into new plastic products or materials. Recycling plastic bearings helps reduce waste, conserve resources, and minimize the environmental impact associated with their disposal. This promotes a circular economy and reduces the demand for virgin plastic production.

  • 2. Use of Recycled Content:

Some plastic bearing materials can be manufactured using recycled content. By incorporating recycled plastics into the production process, the reliance on new plastic raw materials is reduced. This helps conserve resources, reduce energy consumption, and decrease the carbon footprint associated with the manufacturing of plastic bearings.

  • 3. Lower Energy Consumption:

Plastic bearings often require less energy consumption compared to metal bearings. This is primarily due to their lower weight, which reduces the energy required for transportation, installation, and operation. Additionally, plastic bearings can operate without the need for external lubrication, eliminating the energy consumption associated with lubrication systems or processes.

  • 4. Reduced Maintenance and Lubrication:

Plastic bearings can offer reduced maintenance requirements and eliminate the need for external lubrication. Unlike metal bearings, many plastic bearings are self-lubricating or have low friction properties, allowing them to operate effectively without the need for regular lubrication. This not only reduces maintenance efforts and costs but also minimizes the use of lubricants, which can be environmentally harmful if not properly managed.

  • 5. Chemical Resistance and Durability:

Plastic bearing materials often exhibit excellent chemical resistance and durability. This enables them to withstand harsh environments and aggressive substances without degradation or the need for frequent replacements. The longevity and resistance to chemical attack reduce the overall environmental impact associated with the production, use, and disposal of plastic bearings.

  • 6. Lighter Weight:

Plastic bearings are generally lighter in weight compared to metal bearings. This lightweight characteristic offers several eco-friendly benefits. Firstly, it reduces the energy required for transportation and installation, resulting in lower fuel consumption and greenhouse gas emissions. Secondly, it can contribute to weight reduction in machinery or equipment, leading to energy savings during operation.

In summary, plastic bearing materials offer several eco-friendly and sustainable aspects, including recyclability, use of recycled content, lower energy consumption, reduced maintenance and lubrication requirements, chemical resistance and durability, and lighter weight. By choosing plastic bearings with these sustainable attributes, industries can reduce their environmental footprint, promote resource conservation, and contribute to a more sustainable and eco-friendly approach to bearing technology.

plastic bearing

What is the impact of proper lubrication on the performance and lifespan of plastic bearings?

Proper lubrication plays a significant role in the performance and lifespan of plastic bearings. Here’s a detailed explanation of the impact of proper lubrication:

  • 1. Reduced Friction and Wear:

Proper lubrication helps reduce friction and wear in plastic bearings. Lubricants create a thin film of lubrication between the bearing surfaces, minimizing direct contact and friction. This reduces the heat generated during operation and prevents excessive wear on the bearing materials. By reducing friction and wear, proper lubrication contributes to improved performance, efficiency, and extended lifespan of plastic bearings.

  • 2. Heat Dissipation:

Lubrication helps dissipate heat generated during the operation of plastic bearings. The lubricant absorbs and carries away heat from the bearing surfaces, preventing overheating and potential damage. Proper heat dissipation through lubrication ensures that the bearing operates within its optimum temperature range, promoting reliable performance and preventing premature failure due to excessive heat buildup.

  • 3. Corrosion Protection:

Proper lubrication provides corrosion protection for plastic bearings. Lubricants form a protective barrier on the bearing surfaces, preventing moisture and contaminants from coming into direct contact with the bearing materials. This helps prevent corrosion and degradation of the bearing surfaces, ensuring their long-term functionality and extending the lifespan of the plastic bearings.

  • 4. Noise Reduction:

Adequate lubrication contributes to noise reduction in plastic bearings. The lubricant helps dampen vibrations and reduce the impact of metal-to-metal contact, resulting in quieter operation. By minimizing noise generation, proper lubrication enhances the overall user experience, reduces noise pollution, and contributes to a more comfortable working environment.

  • 5. Contaminant Exclusion:

Lubrication helps exclude contaminants from entering the bearing system. The lubricant forms a protective barrier that prevents dust, dirt, and other particles from reaching the bearing surfaces. This is particularly important for plastic bearings, as contaminants can cause abrasion, increase friction, and lead to premature wear. Proper lubrication ensures the integrity of the bearing system by keeping it clean and free from harmful particles.

  • 6. Maintenance and Reliability:

Proper lubrication is essential for the maintenance and reliability of plastic bearings. Regular lubrication maintenance helps monitor the condition of the bearings, identify potential issues, and take appropriate preventive measures. Additionally, lubrication intervals and quantities should be adhered to as recommended by the bearing manufacturer. Proper lubrication maintenance ensures the continuous and reliable operation of plastic bearings, minimizing downtime and costly repairs.

In summary, proper lubrication has a significant impact on the performance and lifespan of plastic bearings. It reduces friction and wear, dissipates heat, provides corrosion protection, reduces noise, excludes contaminants, and ensures maintenance and reliability. Following manufacturer guidelines and implementing a proper lubrication regimen is essential for optimizing the performance, efficiency, and longevity of plastic bearings.

plastic bearing

What are the common types of plastic materials used for plastic bearings, such as PTFE or nylon?

Plastic bearings can be made from various types of plastic materials, each offering unique properties and advantages. Here are some common types of plastic materials used for plastic bearings:

  • 1. PTFE (Polytetrafluoroethylene):

PTFE is a widely used plastic material for bearings due to its excellent low friction and self-lubricating properties. PTFE bearings have a low coefficient of friction, which reduces wear and energy consumption. They can operate without additional lubrication, making them suitable for applications where lubrication is challenging or undesirable. PTFE bearings also have high chemical resistance and can withstand a wide temperature range.

  • 2. Nylon (Polyamide):

Nylon is another common plastic material used for bearings. It offers good wear resistance, low friction, and high strength. Nylon bearings can handle moderate loads and have self-lubricating properties. They are also resistant to chemicals and have excellent dimensional stability. Nylon bearings are often used in applications such as conveyor systems, automotive components, and machinery.

  • 3. POM (Polyoxymethylene):

POM, also known as acetal or Delrin, is a versatile engineering plastic used in bearings. POM bearings have low friction, high wear resistance, and good dimensional stability. They exhibit excellent strength and stiffness, making them suitable for applications with moderate loads. POM bearings are often used in industries such as automotive, electronics, and consumer goods.

  • 4. UHMWPE (Ultra-High Molecular Weight Polyethylene):

UHMWPE is a plastic material known for its exceptional wear resistance and impact strength. UHMWPE bearings can withstand heavy loads, have a low coefficient of friction, and offer good chemical resistance. They are often used in applications where high abrasion resistance and durability are required, such as in material handling equipment, conveyor systems, and agricultural machinery.

  • 5. PEEK (Polyetheretherketone):

PEEK is a high-performance plastic material with excellent mechanical properties and temperature resistance. PEEK bearings can operate at high temperatures, making them suitable for applications in demanding environments. They offer low friction, good chemical resistance, and high strength. PEEK bearings are commonly used in aerospace, automotive, and medical applications.

These are just a few examples of the plastic materials used for plastic bearings. Other plastic materials, such as polyimide, PPS (polyphenylene sulfide), or PVDF (polyvinylidene fluoride), can also be used depending on the specific application requirements. The choice of plastic material for a plastic bearing depends on factors such as load capacity, temperature range, chemical compatibility, and friction characteristics.

China supplier Deep Groove Ball/Engine Gear/Lazy Susan Turntable/Kg/Nylon Roller/Plain/Plastic/Slewing/Tapered/Waterproof/Spherical/Magnetic/Excavator Bearing 22211cac/ W33   bearing airChina supplier Deep Groove Ball/Engine Gear/Lazy Susan Turntable/Kg/Nylon Roller/Plain/Plastic/Slewing/Tapered/Waterproof/Spherical/Magnetic/Excavator Bearing 22211cac/ W33   bearing air
editor by CX 2024-05-14