Product Description
Product Description
| Bearing Number | Inner diameter/mm | Outer diameter/mm | Height/mm | Weight/g | Apply Inner Ring | |||||
| NCS1012 | MR10N | SJ7133 | HJ101812 | BR101812 | 15.875(0.625) | 28.575(1.125) | 19.05(0.75) | 49 | MI6N | |
| MR10 | SJ7134 | HJ101816 | BR101816 | 15.875(0.625) | 28.575(1.125) | 25.4(1) | 54 | MI6 | ||
| NCS1212 | MR12N | SJ7153 | HJ122012 | BR122012 | 19.05(0.75) | 31.75(1.25) | 19.05(0.75) | 56 | MI8N | |
| NCS1216 | MR12 | SJ7154 | HJ122016 | BR122016 | 19.05(0.75) | 31.75(1.25) | 25.4(1) | 75 | MI8 | |
| NCS1412 | MR14N | SJ7173 | HJ142212 | BR142212 | 22.225(0.875) | 34.925(1.375) | 19.05(0.75) | 63 | MI10N | |
| NCS1416 | MR14 | SJ7174 | HJ142216 | BR142216 | 22.225(0.875) | 34.925(1.375) | 25.4(1) | 84.5 | MI10 | |
| NCS1612 | MR16N | SJ7193 | HJ162412 | BR162412 | 25.4(1) | 38.1(1.5) | 19.05(0.75) | 69 | MI12N | |
| NCS1616 | MR16 | SJ7194 | HJ162416 | BR162416 | 25.4(1) | 38.1(1.5) | 25.4(1) | 92.5 | MI12 | |
| NCS1816 | MR18N | SJ7214 | HJ182616 | BR182616 | 28.575(1.125) | 41.275(1.625) | 25.4(1) | 102 | MI14N | |
| NCS1820 | MR18 | SJ7215 | HJ182620 | BR182620 | 28.575(1.125) | 41.275(1.625) | 31.75(1.25) | 128 | MI14 | |
| NCS2016 | MR20N | SJ7234 | HJ257116 | BR257116 | 31.75(1.25) | 44.45(1.75) | 25.4(1) | 110 | MI16N | |
| NCS2571 | MR20 | SJ7235 | HJ257120 | BR257120 | 31.75(1.25) | 44.45(1.75) | 31.75(1.25) | 138 | MI16 | |
| NCS2216 | MR22N | SJ7254 | HJ223016 | BR223016 | 34.925(1.375) | 47.625(1.875) | 25.4(1) | 119 | MI18N | |
| NCS2220 | MR22 | SJ7255 | HJ223571 | BR223571 | 34.925(1.375) | 47.625(1.875) | 31.75(1.25) | 149 | MI18 | |
| NCS2416 | MR24N | SJ7274 | HJ243316 | BR243316 | 38.1(1.5) | 52.388(2.0625) | 25.4(1) | 149 | MI20N | |
| NCS2420 | MR24 | SJ7275 | HJ243320 | BR243320 | 38.1(1.5) | 52.388(2.0625) | 31.75(1.25) | 187 | MI19/MI20 | |
| NCS2616 | MR26N | SJ7294 | HJ263516 | BR263516 | 41.275(1.625) | 55.562(2.1875) | 25.4(1) | 158 | MI21N | |
| NCS2620 | MR26 | SJ7295 | HJ263520 | BR263520 | 41.275(1.625) | 55.562(2.1875) | 31.75(1.25) | 199 | MI21 | |
| NCS2816 | MR28N | SJ7314 | HJ283716 | BR283716 | 44.45(1.75) | 58.738(2.3125) | 25.4(1) | 170 | MI24N | |
| NCS2820 | MR28 | SJ7315 | HJ283720 | BR283720 | 44.45(1.75) | 58.738(2.3125) | 31.75(1.25) | 215 | MI24 | |
| NCS3571 | MR30 | SJ7335 | HJ3 0571 0 | BR3 0571 0 | 47.625(1.875) | 61.912(2.4375) | 31.75(1.25) | 225 | MI25 | |
| MR31 | SJ7345 | 49.2125(1.9375) | 63.5(2.5) | 31.75(1.25) | 246 | MI26SS | ||||
| MR32N | SJ7354 | HJ324116 | BR324116 | 50.8(2) | 65.088(2.5625) | 25.4(1) | 190 | MI26N | ||
| NCS3220 | MR32 | SJ7355 | HJ324120 | BR324120 | 50.8(2) | 65.088(2.5625) | 31.75(1.25) | 240 | MI26/MI27 | |
| NCS3624 | MR36N | SJ8406 | HJ364824 | BR364824 | 57.15(2.25) | 76.2(3) | 38.1(1.5) | 435 | MI28N | |
| MR36 | SJ8407 | HJ364828 | BR364828 | 57.15(2.25) | 76.2(3) | 44.45(1.75) | 510 | MI28/MI30 | ||
| NCS4571 | MR40N | SJ8446 | HJ405224 | BR405224 | 63.5(2.5) | 82.55(3.25) | 38.1(1.5) | 475 | MI32N | |
| MR40 | SJ8447 | HJ405228 | BR405228 | 63.5(2.5) | 82.55(3.25) | 44.45(1.75) | 555 | MI31/MI32/MI34 | ||
| NCS4424 | MR44N | SJ8476 | HJ445624 | BR445624 | 69.85(2.75) | 88.9(3.5) | 38.1(1.5) | 510 | MI36N | |
| MR44 | SJ8477 | HJ445628 | BR445628 | 69.85(2.75) | 88.9(3.5) | 44.45(1.75) | 600 | MI35/MI36 | ||
| NCS4824 | MR48N | SJ8516 | HJ486571 | BR486571 | 76.2(3) | 95.25(3.75) | 38.1(1.5) | 555 | MI40N | |
| MR48 | SJ8517 | HJ486571 | BR486571 | 76.2(3) | 95.25(3.75) | 44.45(1.75) | 650 | MI38/MI39/MI40 | ||
| NCS5228 | MR52 | SJ9567 | HJ526828 | BR526828 | 82.55(3.25) | 107.95(4.25) | 44.45(1.75) | 990 | MI44 | |
| MR56N | SJ9607 | 88.9(3.5) | 114.3(4.5) | 44.45(1.75) | 1120 | MI48N | ||||
| MR56 | SJ9608 | HJ567232 | BR567232 | 88.9(3.5) | 114.3(4.5) | 50.8(2) | 1220 | MI46/MI47/MI48 | ||
| MR60 | SJ9648 | HJ6 0571 2 | BR6 0571 2 | 95.25(3.75) | 120.65(4.75) | 50.8(2) | 1290 | MI50/MI52 | ||
| MR64 | SJ9688 | HJ648032 | BR648032 | 101.6(4) | 127(5) | 50.8(2) | 1370 | MI54/MI56 | ||
| NCS6832 | MR68 | SJ9728 | HJ688432 | BR688432 | 107.95(4.25) | 133.35(5.25) | 50.8(2) | 1580 | MI60 | |
| MR72 | SJ6769 | HJ729636 | 114.3(4.5) | 152.4(6) | 57.15(2.25) | 2540 | MI62 | |||
| MR80 | SJ6849 | HJ801571 | 127(5) | 165.1(6.5) | 57.15(2.25) | 3040 | MI68 | |||
| MR88N | SJ6918 | HJ8811240 | 139.7(5.5) | 177.8(7) | 63.5(2.5) | 4400 | MI72N | |||
| MR88 | SJ6919 | HJ8811248 | 139.7(5.5) | 177.8(7) | 76.2(3) | 4956 | MI72 | |||
| MR96N | SJ6925 | HJ9612040 | 152.4(6) | 190.5(7.5) | 63.5(2.5) | 4650 | MI80N | |||
| MR96 | SJ6926 | HJ9612048 | 152.4(6) | 190.5(7.5) | 76.2(3) | 5330 | MI80 | |||
| MR104N | SJ6935 | HJ1 0571 840 | 165.1(6.5) | 203.2(8) | 63.5(2.5) | 4970 | MI88N | |||
| MR104 | SJ6936 | HJ1 0571 848 | 165.1(6.5) | 203.2(8) | 76.2(3) | 5700 | MI88 | |||
| MR116 | SJ2326 | HJ11614648 | 184.1(7.25) | 231.775(9.125) | 76.2(3) | 8110 | MI96 | |||
| MR124 | SJ2426 | HJ12415448 | 196.85(7.75) | 244.475(9.625) | 76.2(3) | 8310 | MI104 | |||
| MR132 | SJ2526 | HJ13216248 | 209.55(8.25) | 257.175(10.125) | 76.2(3) | 9080 | MI112 | |||
| MR140 | SJ2626 | HJ14017048 | 222.25(8.75) | 269.875(10.625) | 76.2(3) | 9550 | MI120 | |||
Production Line
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.
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| After-sales Service: | 24 Hours Online Service |
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| Warranty: | 2 Years |
| Transport Package: | Cartons Pallet Metal or as Your Request |
| Specification: | Size customization |
| Trademark: | OEM FOS |
| Origin: | Linqing, Shandong Province. |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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What safety considerations should be taken into account when using cam rollers in industrial settings?
When using cam rollers in industrial settings, several safety considerations should be taken into account to ensure the well-being of personnel, prevent accidents, and maintain a safe working environment. Here are some important safety considerations when using cam rollers:
- Proper Guarding: Cam rollers should be properly guarded to prevent accidental contact with moving parts. Depending on the specific application and the level of exposure, appropriate guarding measures such as barriers, enclosures, or safety covers should be in place to protect operators and other personnel from potential hazards associated with rotating cam rollers.
- Lockout/Tagout Procedures: Before performing maintenance or repair tasks on cam rollers or associated equipment, appropriate lockout/tagout procedures should be followed. Lockout/tagout procedures help ensure that energy sources are isolated, machinery is de-energized, and appropriate warning devices are in place to prevent unintentional startup or release of stored energy, minimizing the risk of injury.
- Training and Awareness: Adequate training should be provided to operators and maintenance personnel working with cam rollers. They should be trained on safe operating procedures, potential hazards, emergency protocols, and proper use of personal protective equipment (PPE). Regular refresher training sessions and ongoing awareness programs can help reinforce safe practices and promote a safety-conscious culture.
- Risk Assessment: Conducting a thorough risk assessment specific to the application and environment is crucial. Identify potential hazards associated with cam rollers, such as pinch points, entanglement risks, or flying debris. Assess the severity of each hazard and implement appropriate control measures to mitigate the risks, such as installing physical barriers, implementing safety interlocks, or providing warning signage.
- Maintenance and Inspections: Regular maintenance and inspections of cam rollers are essential for identifying and addressing any issues that may compromise safety. Inspect the rollers, bearings, tracks, and associated components for signs of wear, damage, or misalignment. Follow manufacturer recommendations for maintenance intervals, lubrication schedules, and component replacements to ensure the safe and reliable operation of cam rollers.
- Proper Load Handling: Ensure that cam rollers are not subjected to loads or forces beyond their specified capacity. Overloading cam rollers can lead to premature wear, component failure, or dangerous conditions. Consider the weight, size, and distribution of the load being tracked and ensure that the cam rollers and associated components are designed to handle the applied loads safely.
- Proper Installation and Alignment: Follow proper installation procedures and ensure accurate alignment of cam rollers. Improper installation or misalignment can result in unexpected movements, excessive friction, or component failures, posing safety risks. Adhere to manufacturer guidelines and recommended alignment procedures to ensure safe and reliable operation.
- PPE Usage: Personal protective equipment (PPE) should be provided and used appropriately by personnel working with or in the vicinity of cam rollers. Depending on the specific hazards involved, PPE such as safety glasses, gloves, hearing protection, or safety shoes may be required to mitigate the risk of injuries due to flying debris, contact with moving parts, noise exposure, or other potential hazards.
It is important to consult relevant safety regulations, industry standards, and guidelines specific to the application and location to ensure full compliance with safety requirements when using cam rollers in industrial settings. Regular safety audits, hazard assessments, and open communication with personnel can help identify and address potential safety concerns, creating a safer working environment for everyone involved.

What maintenance practices are recommended for cam rollers to ensure optimal functionality?
Proper maintenance is essential for ensuring the optimal functionality and longevity of cam rollers. Regular maintenance practices help prevent premature wear, minimize downtime, and maintain the performance of cam rollers in various applications. Here are some recommended maintenance practices for cam rollers:
- Cleaning: Regularly clean the cam rollers to remove dust, dirt, and debris that can accumulate on the rolling surfaces. Use a soft brush or compressed air to clean the cam rollers, ensuring that no contaminants hinder their smooth operation.
- Lubrication: Apply appropriate lubrication to the cam rollers to reduce friction and wear. Use lubricants recommended by the manufacturer, ensuring they are compatible with the materials and operating conditions of the cam rollers. Regularly check the lubrication levels and replenish as needed.
- Inspection: Perform routine visual inspections of the cam rollers to check for any signs of wear, damage, or misalignment. Look for excessive play, deformation, or any irregularities that may affect their performance. If any issues are identified, take appropriate measures such as adjustments, repairs, or replacements.
- Tightening: Check the fasteners, such as bolts or screws, that secure the cam rollers to the equipment or mounting surfaces. Ensure that they are properly tightened to prevent loosening during operation, which could lead to misalignment or reduced performance.
- Alignment: Check the alignment of the cam rollers periodically to ensure they are properly aligned with the cam or track they are following. Misalignment can lead to increased wear, reduced accuracy, and decreased lifespan of the cam rollers. Adjust the alignment as necessary to maintain optimal functionality.
- Load Distribution: Monitor the load distribution among the rolling elements of the cam rollers. Ensure that the load is evenly distributed to prevent overloading or excessive stress on individual rolling elements. Uneven load distribution can lead to premature wear or failure of the cam rollers.
- Environmental Considerations: Consider the specific environmental conditions in which the cam rollers operate. Take appropriate measures to protect the cam rollers from corrosive substances, extreme temperatures, excessive moisture, or other environmental factors that may affect their performance. Use protective coatings, seals, or covers as needed.
- Replacement: Cam rollers have a finite lifespan, and eventually, they will need to be replaced. Monitor the wear and performance of the cam rollers over time. When signs of significant wear, damage, or reduced functionality are observed, plan for timely replacement to avoid unexpected failures or disruptions in the operation.
It is important to note that maintenance practices may vary depending on the specific design, materials, and operating conditions of the cam rollers. Therefore, it is recommended to refer to the manufacturer’s guidelines and recommendations for maintenance specific to the cam rollers being used.
By following these maintenance practices and adopting a preventive maintenance approach, operators can ensure the optimal functionality, reliability, and longevity of cam rollers in various applications.

How does the design of a cam roller contribute to efficient motion and tracking?
The design of a cam roller plays a crucial role in ensuring efficient motion transmission and tracking along the surface profile of a cam or track. Various design features are incorporated to optimize performance, reliability, and smooth operation. Here’s a detailed explanation of how the design of a cam roller contributes to efficient motion and tracking:
- Bearing Element: The choice of the bearing element, such as cylindrical rollers, needle rollers, or ball bearings, is a critical design consideration. The bearing element should be selected based on the specific application requirements, including load capacity, speed, and precision. The bearing element allows for smooth rolling motion and efficient load distribution, minimizing friction and wear.
- Outer Ring Profile: The outer ring of a cam roller has a profile that matches the shape of the cam or track. This design feature ensures accurate tracking and follows the contour of the cam or track surface. The outer ring provides guidance and support to the roller, allowing it to smoothly traverse the cam profile without slipping or deviating from the desired path.
- Stud or Yoke: The stud or yoke is the component that attaches the cam roller to the moving part of the mechanical system. It is designed to provide secure attachment and proper alignment. The stud or yoke may have additional features such as threaded ends, lubrication provisions, or seals to enhance functionality and ease of maintenance.
- Roller Retainers: In some cam roller designs, roller retainers are used to maintain proper spacing and alignment of the rollers within the outer ring. These retainers prevent roller skewing and ensure even load distribution among the rollers. By maintaining precise roller alignment, efficient motion transmission and tracking are achieved.
- Sealing and Lubrication: Proper sealing and lubrication are essential for the efficient functioning of cam rollers. Seals prevent contaminants from entering the bearing and protect against lubricant leakage. Lubrication reduces friction and wear, ensuring smooth rolling motion. The design of cam rollers may include sealing elements and lubrication provisions to facilitate effective sealing and lubrication maintenance.
The careful consideration of these design factors contributes to efficient motion and tracking in cam rollers. When the cam roller is in operation, these design features enable it to smoothly follow the profile of the cam or track, ensuring accurate and reliable motion transmission. Efficient tracking minimizes energy losses, reduces wear, and enhances the overall performance of the mechanical system.
It is important to note that the design of a cam roller should be selected based on the specific requirements of the application. Factors such as load capacity, speed, operating conditions, and precision requirements should be taken into account to ensure optimal performance and longevity of the cam roller in the mechanical system.
In summary, the design of a cam roller, including the bearing element, outer ring profile, stud or yoke, roller retainers, sealing, and lubrication, contributes to efficient motion transmission and tracking. These design features enable smooth rolling motion, accurate tracking along the cam profile, and reliable performance in various mechanical systems.


editor by Dream 2024-05-10