Product Description
Product Description
Packaging & Shipping
Company Profile
Our Advantages
FAQ
Basic Info.
Model NO. | 22311 23032 22211-E1-K 21311-E1-K | 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 | 22311 23032 22211-E1-K 21311-E1-K |
Trademark | FOS Bearing or OEM | Origin | YANDIAN, ZheJiang |
HS Code | 8482200000 | Production Capacity | 7000PCS/Month |
Product Decription
The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone.
Product Series
More series of Roller bearing
2 series Roller bearing
Bearing No. | Dimensions(mm) | Weight | ||
d | D | T | KG | |
21306CA/C3W33 | 30 | 72 | 19 | 0.412 |
21307CA/C3W33 | 35 | 80 | 21 | 0.542 |
21308CA/C3W33 | 40 | 90 | 23 | 0.743 |
21309CA/C3W33 | 45 | 100 | 25 | 1 |
21310CA/C3W33 | 50 | 110 | 27 | 1.3 |
21311CA/C3W33 | 55 | 120 | 29 | 1.65 |
21312CA/C3W33 | 60 | 130 | 31 | 2.08 |
21313CA/C3W33 | 65 | 140 | 33 | 2.57 |
21314CA/C3W33 | 70 | 150 | 35 | 3.11 |
21315CA/C3W33 | 75 | 160 | 37 | 3.76 |
21316CA/C3W33 | 80 | 170 | 39 | 4.47 |
21322CA/C3W33 | 110 | 240 | 50 | 11.8 |
23571CA/C3W33 | 120 | 180 | 46 | 3.98 |
23026CA/C3W33 | 130 | 200 | 52 | 5.85 |
23571CA/C3W33 | 140 | 210 | 53 | 6.31 |
23030CA/C3W33 | 150 | 225 | 56 | 7.74 |
23032CA/C3W33 | 160 | 240 | 60 | 9.43 |
23034CA/C3W33 | 170 | 260 | 67 | 12.8 |
23036CA/C3W33 | 180 | 280 | 74 | 16.9 |
23038CA/C3W33 | 190 | 290 | 75 | 17.7 |
23040CA/C3W33 | 200 | 310 | 82 | 22.7 |
23044CA/C3W33 | 220 | 340 | 90 | 29.7 |
23048CA/C3W33 | 240 | 360 | 92 | 32.4 |
24571CA/C3W33 | 120 | 180 | 60 | 5.05 |
24026CA/C3W33 | 130 | 200 | 69 | 7.55 |
24571CA/C3W33 | 140 | 210 | 69 | 8.01 |
24030CA/C3W33 | 150 | 225 | 75 | 10.1 |
24032CA/C3W33 | 160 | 240 | 80 | 12.2 |
24034CA/C3W33 | 170 | 260 | 90 | 16.7 |
24036CA/C3W33 | 180 | 280 | 100 | 22.1 |
24038CA/C3W33 | 190 | 290 | 100 | 23 |
24040CA/C3W33 | 200 | 310 | 109 | 29.3 |
24044CA/C3W33 | 220 | 340 | 118 | 38.1 |
24048CA/C3W33 | 240 | 360 | 118 | 40.8 |
Bearing No. | Dimensions(mm) | Weight | ||
d | D | T | kg | |
22208CA/C3W33 | 40 | 80 | 23 | 0.54 |
22209CA/C3W33 | 45 | 85 | 23 | 0.58 |
22210CA/C3W33 | 50 | 90 | 23 | 0.62 |
22211CA/C3W33 | 55 | 100 | 25 | 0.84 |
22212CA/C3W33 | 60 | 110 | 28 | 1.2 |
22213CA/C3W33 | 65 | 120 | 31 | 1.6 |
22214CA/C3W33 | 70 | 125 | 31 | 1.7 |
22215CA/C3W33 | 75 | 130 | 31 | 1.8 |
22216CA/C3W33 | 80 | 140 | 33 | 2.2 |
22217CA/C3W33 | 85 | 150 | 36 | 2.7 |
22218CA/C3W33 | 90 | 160 | 40 | 3.28 |
22219CA/C3W33 | 95 | 170 | 43 | 4.1 |
22220CA/C3W33 | 100 | 180 | 46 | 5 |
22222CA/C3W33 | 110 | 200 | 53 | 7.2 |
22224CA/C3W33 | 120 | 215 | 58 | 8.9 |
22226CA/C3W33 | 130 | 230 | 64 | 11.2 |
22228CA/C3W33 | 140 | 250 | 68 | 14.5 |
22230CA/C3W33 | 150 | 270 | 73 | 18.6 |
22308CA/C3W33 | 40 | 90 | 33 | 1 |
22309CA/C3W33 | 45 | 100 | 36 | 1.38 |
22310CA/C3W33 | 50 | 110 | 40 | 1.85 |
22311CA/C3W33 | 55 | 120 | 43 | 2.35 |
22312CA/C3W33 | 60 | 130 | 46 | 2.95 |
22313CA/C3W33 | 65 | 140 | 48 | 3.55 |
22314CA/C3W33 | 70 | 150 | 51 | 4.4 |
22315CA/C3W33 | 75 | 160 | 55 | 5.25 |
22316CA/C3W33 | 80 | 170 | 58 | 6.39 |
22317CA/C3W33 | 85 | 180 | 60 | 7.25 |
22318CA/C3W33 | 90 | 190 | 64 | 8.6 |
22319CA/C3W33 | 95 | 200 | 67 | 10.1 |
22320CA/C3W33 | 100 | 215 | 73 | 13.4 |
22322CA/C3W33 | 110 | 240 | 80 | 18 |
22324CA/C3W33 | 120 | 260 | 86 | 22 |
22326CA/C3W33 | 130 | 280 | 93 | 28.5 |
New Item | Old Item | Structure | Specifications(dxDxT)mm | Weight/kg |
22207 | 3507 | MB/CA/CC/EK/CK/CMW33 | 35x72x23 | 0.43 |
22208 | 3508 | MB/CA/CC/E/K/CK/CMW33 | 40X80X23 | 0.55 |
22209 | 3509 | MB/CA/CC/E/K/CK/CMW33 | 45X85X23 | 0.59 |
22210 | 3510 | MB/CA/CC/E/K/CK/CMW33 | 50X90X23 | 0.64 |
22211 | 3511 | MB/CA/CC/E/K/CK/CMW33 | 55X100X25 | 0.88 |
22212 | 3512 | MB/CA/CC/E/K/CK/CMW33 | 60X110X28 | 1.19 |
22213 | 3513 | MB/CA/CC/E/K/CK/CMW33 | 65X120X31 | 1.6 |
22214 | 3514 | MB/CA/CC/E/K/CK/CMW33 | 70X125X31 | 1.68 |
22215 | 3515 | MB/CA/CC/E/K/CK/CMW33 | 75X130X31 | 1.75 |
22216 | 3516 | MB/CA/CC/E/K/CK/CMW33 | 80X140X33 | 2.12 |
22217 | 3517 | MB/CA/CC/E/K/CK/CMW33 | 85X150X36 | 2.79 |
22218 | 3518 | MB/CA/CC/E/K/CK/CMW33 | 90X160X40 | 3.78 |
22219 | 3519 | MB/CA/CC/E/K/CK/CMW33 | 95X170X43 | 4.31 |
22220 | 3520 | MB/CA/CC/E/K/CK/CMW33 | 100X180X46 | 5.06 |
22222 | 3522 | MB/CA/CC/E/K/CK/CMW33 | 110X200X53 | 7.4 |
22224 | 3524 | MB/CA/CC/E/K/CK/CMW33 | 120X215X58 | 9.267 |
22226 | 3526 | MB/CA/CC/E/K/CK/CMW33 | 130X230X64 | 11.5 |
22228 | 3528 | MB/CA/CC/E/K/CK/CMW33 | 140X250X68 | 14.5 |
22230 | 3530 | MB/CA/CC/E/K/CK/CMW33 | 150X270X73 | 18.4 |
22232 | 3532 | MB/CA/CC/E/K/CK/CMW33 | 160X260X80 | 22.3 |
22234 | 3534 | MB/CA/CC/E/K/CK/CMW33 | 170X310X86 | 28.7 |
22236 | 3536 | MB/CA/CC/E/K/CK/CMW33 | 180X320X86 | 30.5 |
22238 | 3538 | MB/CA/CC/E/K/CK/CMW33 | 190X320X92 | 35.55 |
22240 | 3540 | MB/CA/CC/E/K/CK/CMW33 | 200X360X98 | 44.7 |
22244 | 3544 | MB/CA/CC/E/K/CK/CMW33 | 220X400X108 | 63 |
22248 | 3548 | MB/CA/CC/E/K/CK/CMW33 | 240X440X120 | 83.2 |
22252 | 3552 | MB/CA/CC/E/K/CK/CMW33 | 260X480X130 | 105 |
22256 | 3556 | MB/CA/CC/E/K/CK/CMW33 | 280X500X130 | 126 |
22260 | 3560 | MB/CA/CC/E/K/CK/CMW33 | 300X540X140 | 143 |
22306 | 3606 | MB/CA/CC/E/K/CK/CMW33 | 30x70x22 | 0.37 |
22307 | 3607 | MB/CA/CC/E/K/CK/CMW33 | 35x80x31 | 0.75 |
22308 | 3608 | MB/CA/CC/E/K/CK/CMW33 | 40x90x33 | 1.07 |
22309 | 3609 | MB/CA/CC/E/K/CK/CMW33 | 45x90x33 | 1.4 |
22310 | 3610 | MB/CA/CC/E/K/CK/CMW33 | 50x110x40 | 1.83 |
22311 | 3611 | MB/CA/CC/E/K/CK/CMW33 | 55x120x43 | 2.4 |
22312 | 3612 | MB/CA/CC/E/K/CK/CMW33 | 60x130x46 | 2.88 |
22313 | 3613 | MB/CA/CC/E/K/CK/CMW33 | 65x140x48 | 3.52 |
22314 | 3614 | MB/CA/CC/E/K/CK/CMW33 | 70x150x51 | 4.21 |
22315 | 3615 | MB/CA/CC/E/K/CK/CMW33 | 75x160x55 | 5.47 |
22316 | 3616 | MB/CA/CC/E/K/CK/CMW33 | 80x170x58 | 6.19 |
22317 | 3617 | MB/CA/CC/E/K/CK/CMW33 | 85x180x60 | 7.5 |
22318 | 3618 | MB/CA/CC/E/K/CK/CMW33 | 90x190x64 | 8.96 |
22319 | 3619 | MB/CA/CC/E/K/CK/CMW33 | 95x200x67 | 9.93 |
22320 | 3620 | MB/CA/CC/E/K/CK/CMW33 | 100x215x73 | 13 |
22322 | 3622 | MB/CA/CC/E/K/CK/CMW33 | 110x240x80 | 17.95 |
22324 | 3624 | MB/CA/CC/E/K/CK/CMW33 | 120x246x80 | 22.4 |
22326 | 3626 | MB/CA/CC/E/K/CK/CMW33 | 130x280x93 | 28.2 |
22328 | 3628 | MB/CA/CC/E/K/CK/CMW33 | 140x300x102 | 35.12 |
22330 | 3630 | MB/CA/CC/E/K/CK/CMW33 | 150x320x108 | 43.7 |
22332 | 3632 | MB/CA/CC/E/K/CK/CMW33 | 160x340x114 | 52.2 |
22334 | 3634 | MB/CA/CC/E/K/CK/CMW33 | 170x360x120 | 60.7 |
Production Process
Production Process
Inspection
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.
Exhibitions
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?
SAMPLES
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.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS mix different standard bearings.
2. MOQ: 3000 PCS customized your brand bearings.
OEM POLICY
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.
SUPORT
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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Rolling Body: | Roller Bearings |
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The Number of Rows: | Single |
Outer Dimension: | Large (200-430mm) |
Material: | Bearing Steel |
Spherical: | Non-Aligning Bearings |
Load Direction: | Radial Bearing |
Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?
Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:
- Effective Sealing:
Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.
- Clean Environment:
Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.
- Proper Handling:
Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.
- Clean Tools and Equipment:
Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.
- Contamination-Controlled Workstations:
Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.
- Proper Lubrication:
Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.
- Regular Inspections:
Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.
- Training and Education:
Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.
- Environmental Controls:
In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.
- Regular Cleaning and Maintenance:
Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.
- Selection of Suitable Bearings:
Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.
By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-05-07