China OEM Metric Taper Roller Bearings 4t-30302 15X42X14.25mm 30302 Roller Bearings Good Price for Roller Bearings Cup and Cone deep groove ball bearing

Product Description

Product Description


Packaging & Shipping


Company Profile


Our Advantages




Basic Info. 

Model NO.  32005 35715 32205 32305 30305 Separated Separated
MOQ 1PCS Quality Guaranteed
Mainly Market America Europe Asia Africa Serive OEM
Stock Rich Stocks Feature High Precision, Small Torque, Low Noise
Transport Package Industrial Packing or as Per Requirement Specification  32005 35715 32205 32305 30305
Trademark FOS Bearing or OEM Origin YANDIAN, ZheJiang
HS Code 8482200000 Production Capacity 7000PCS/Month

Product Decription

Tapered roller bearings are separable bearings, and the inner and outer rings of the bearing have tapered raceways. This type of bearing is divided into different structural types such as single row, double row and 4 row tapered roller bearings according to the number of rows of rollers installed. Single row tapered roller bearings can bear radial loads and axial loads in 1 direction. When the bearing bears radial load, an axial component force will be generated, so another bearing that can bear the axial force in the opposite direction is needed to balance it.
Product  Series
More series of Roller bearing
3 series Roller bearing

BearingNo. Dimensions (mm) Load Rating(KN) Mass
d D T B C R r C C0 kg
min min
32004 20 42 15 15 12 1 1 25.1 28.2 0.095
32005 25 47 15 15 11.5 0.6 0.6 28 34.1 0.111
32006 30 55 17 17 13 1 1.5 40 45 0.175
32007 35 62 18 18 14 1 1 43.2 59.2 0.224
32008 40 68 19 19 14.5 1 1 55 62 0.27
32009 45 75 20 20 15.5 1 1 65 76 0.34
32571 50 80 20 20 15.5 1 1 67 79 0.36
32011 55 90 23 23 17.5 1.5 1.5 80.2 117.2 0.551
32012 60 95 23 23 17.5 1.5 1.5 81.7 122.2 0.59
32013 65 100 23 23 17.5 1.5 1.5 82.8 127.3 0.63
32014 70 110 25 25 19 1.5 1.5 104.3 160.1 0.85
32015 75 115 25 25 19 1.5 1.5 103.1 160.2 0.875
32016 80 125 29 29 22 1.5 1.5 141 220 1.27
32017 85 130 29 29 22 1.5 1.5 139.8 220.3 1.32
32018 90 140 32 32 24 2 1.5 171.3 271 1.73
32019 95 145 32 32 24 2 1.5 166 202 1.88
32571 100 150 32 32 24 2 1.5 173.1 281.7 1.873
32571 105 160 35 35 26 2.5 2 205.4 335.8 2.4
32571 110 170 38 38 29 2.5 2 245.7 403.4 2.972
32571 120 180 38 38 29 2.5 2 242.1 404.4 3.18
32026 130 200 45 45 34 2.5 2 340 563 5.04
32571 140 210 45 45 34 2.5 2 346 585 5.28

Production Process
Production Process

Our Advantage

Package and shipment

Company Profile

HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.

Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation.  Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted  International standard design and manufacturing. Registered trademark “FOS” .

Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.

HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.

The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system,  to prove satisfactory to our customers.  Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.


About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced  products and service can meet your request.
Why choose us? 

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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Feature: High Precision, Small Torque, Low Noise
Mainly Market: America Europe Asia Africa
Package: Packing+Cartons+Pallets
Samples: Free
Serive: 24 Hours on Linejapan Hot Sale Good Quality Low Pr
US$ 1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

cup bearing

Advantages of Self-Lubricating or Maintenance-Free Cup Bearings

Self-lubricating or maintenance-free cup bearings offer several advantages in various applications:

  • Extended Service Life: Self-lubricating bearings have a longer service life compared to traditional bearings because the lubrication is continuously provided, reducing wear and friction.
  • Reduced Maintenance: These bearings eliminate or significantly reduce the need for manual lubrication, saving time and maintenance costs.
  • Environmental Benefits: With no need for external lubricants, there is less risk of lubricant leakage or contamination, making them environmentally friendly.
  • Consistent Performance: Self-lubricating bearings maintain consistent performance over time, as the lubrication remains effective, reducing the risk of equipment failure.
  • Wide Temperature Range: They can operate in a broader temperature range, making them suitable for extreme conditions.
  • Quiet Operation: The continuous lubrication minimizes friction and noise, contributing to quieter machinery.
  • Low Maintenance Costs: The reduced need for maintenance and lubrication materials results in cost savings.

These advantages make self-lubricating or maintenance-free cup bearings an attractive choice for applications where extended service life, reduced maintenance, and consistent performance are critical.

cup bearing

Challenges and Limitations of Cup Bearings in Different Environments

Cup bearings, while versatile and reliable, have specific challenges and limitations based on the environments in which they are used:

1. Contaminants: In environments with high levels of contaminants, such as dust, dirt, or moisture, cup bearings may require enhanced sealing to prevent particle ingress, which can lead to premature wear and failure.

2. Temperature Extremes: Cup bearings may not perform optimally in extreme temperature conditions. High temperatures can affect lubrication properties and reduce bearing life, while low temperatures can cause stiffness and reduced flexibility.

3. Corrosive Environments: Exposure to corrosive substances, like chemicals or saltwater, can lead to bearing corrosion. In such cases, selecting materials with high corrosion resistance is crucial.

4. Shock and Vibration: Machinery subjected to high levels of shock and vibration may experience accelerated wear in cup bearings. Proper mounting and maintenance are essential in these situations.

5. Heavy Loads: While cup bearings can handle substantial loads, there are limitations to the magnitude and type of loads they can support. In applications with extremely heavy loads, larger or specialized bearings may be required.

6. Misalignment: Excessive misalignment can cause uneven load distribution, leading to wear and reduced bearing life. Proper alignment and choice of bearing type can mitigate this challenge.

7. Speed: Extremely high-speed applications may require specialized bearing designs to prevent issues like heat buildup and premature wear.

8. Lubrication: In applications where lubrication is crucial, cup bearings should receive regular maintenance to ensure proper lubrication levels and prevent dry running.

Understanding these challenges and limitations is essential in selecting the right cup bearings and implementing appropriate maintenance practices to maximize their performance and longevity in various environments.

cup bearing

Materials Used in the Construction of Cup Bearings

Cup bearings are precision components, and their performance and durability depend on the materials used in their construction. The most common materials employed in the manufacture of cup bearings include:

1. Bearing Steel: Bearing steel is the most prevalent material for cup bearings. It typically consists of high-quality, through-hardened steel with specific alloying elements like chromium and molybdenum. This steel is known for its exceptional hardness, wear resistance, and fatigue strength. Bearing steel ensures the longevity and reliability of cup bearings in a wide range of applications.

2. Stainless Steel: In applications where corrosion resistance is crucial, stainless steel cup bearings are utilized. Stainless steel offers excellent resistance to rust and corrosion, making it suitable for applications exposed to moisture, chemicals, or high-humidity environments.

3. Ceramic: Advanced cup bearings use ceramic materials, such as silicon nitride, for rolling elements. Ceramic offers remarkable hardness, low friction, and resistance to wear. Ceramic cup bearings are often found in high-speed and high-temperature applications, including those in the aerospace and semiconductor industries.

4. Plastic: In specialized cases where weight reduction, non-conductivity, or noise reduction is a priority, plastic materials like PEEK or PTFE may be used for cup bearings. Plastic cup bearings can be found in applications like medical devices and food processing equipment.

The choice of material depends on the specific requirements of the application, including load capacity, environmental conditions, and the need for corrosion resistance. Proper material selection ensures that cup bearings perform optimally in their intended use.

China OEM Metric Taper Roller Bearings 4t-30302 15X42X14.25mm 30302 Roller Bearings Good Price for Roller Bearings Cup and Cone   deep groove ball bearingChina OEM Metric Taper Roller Bearings 4t-30302 15X42X14.25mm 30302 Roller Bearings Good Price for Roller Bearings Cup and Cone   deep groove ball bearing
editor by CX 2024-04-30

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