Product Description
KRVE 30 Track Roller Cam Follower KRVE series Needle Bearing
Description of KRVE 30 Track Roller Cam Follower KRVE series Needle Bearing
| Series | Description |
| NATR | Yoke type track rollers with axial guidance by washers,gap seal,with inner ring |
| NATR…PP | Yoke type track rollers with additional sealing rings |
| NATV | Yoke type track rollers with axial guidance by washers,full complement,gap seal,with inner ring |
| NATV…PP | Yoke type track rollers with additional sealing rings |
| NUTR | Yoke type track rollers with axial guidance by the rolling element,full complement,gap seal,with inner ring |
| KR | Stud type track rollers with axial guidance by rid and washer,gap seal |
| KR…PP | Stud type track rollers with sealing rings |
| KRE | Stud type track rollers with eccentric collar |
| KRE…PP | Stud type track rollers with eccentric collar and sealing rings |
| KRV | Stud type track rollers with axial guidance by rid and washer,full complement, gap seal |
| KRV…PP | Stud type track rollers with sealing rings |
| KRVE | Stud type track rollers with eccentric collar |
| KRVE…PP | Stud type track rollers with eccentric collar and sealing rings |
| NUKR | Stud type track rollers with axial guidance by the rolling element,full complement, gap seals |
| NUKRE | Stud type track rollers with eccentric collar |
| CF | Stud type track rollers with cage ,the same as KR series |
Catalogue of KRVE 30 Track Roller Cam Follower KRVE series Needle Bearing
|
Outside Diameter |
Bearing Designation and mass approx | Borndary Dimensions | ||||||||||||||
|
Without Eccentric Collar |
Mass |
With Ecctric Coollar |
Mass | D | d | C | B | B1 | B2 | G | G1 | M | M1 | C1 | d2 | |
| mm | g | g | mm | |||||||||||||
| 47 | KR 47 | 386 | KRE 47 | 405.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 |
| KR 47 PP | 386 | KRE 47 PP | 405.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 47 | 390 | KRVE 47 | 409.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 47 PP | 390 | KRVE 47 PP | 409.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| NUKR 47 | 380 | NUKPE 47 | 399.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 27 | |
| 52 | KR 52 | 461 | KRE 40 | 480.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 |
| KR 52 PP | 461 | KRE 52 PP | 480.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 52 | 465 | KRVE 52 | 484.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| KRV 52 PP | 465 | KRVE 52 PP | 484.5 | 52 | 20 | 24 | 66 | 40.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 37 | |
| NUKR 52 | 450 | NUKPE 52 | 469.5 | 52 | 20 | 24 | 66 | 49.5 | 9 | M20×1.5 | 21 | 8 | 4 | 0.8 | 31 | |
| 62 | KR 62 | 790 | KRE 62 | 818.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 |
| KR 62 PP | 790 | KRE 62 PP | 818.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 62 | 802 | KRVE 62 | 830.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 62 PP | 802 | KRVE 62 PP | 830.2 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| NUKR 62 | 795 | NUKPE 62 | 823.5 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 38 | |
| 72 | KR 72 | 1040 | KRE 72 | 1068.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M20×1.5 | 25 | 8 | 4 | 0.8 | 44 |
| KR 72 PP | 1040 | KRE 72 PP | 1068.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 72 | 1045 | KRVE 72 | 1073.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| KRV 72 PP | 1045 | KRVE 72 PP | 1073.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| NUKR 72 | 1200 | NUKPE 72 | 1038.2 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24×1.5 | 25 | 8 | 4 | 0.8 | 44 | |
| 80 | KR 80 | 1550 | KRE 80 | 1610 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 |
| KR 80 PP | 1550 | KRE 80 PP | 1610 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 80 | 1561 | KRVE 80 | 1621 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 80 PP | 1561 | KRVE 80 PP | 1621 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| NUKR 80 | 1800 | NUKPE 80 | 1600 | 80 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 47 | |
| 85 | KR 85 | 1740 | KRE 85 | 1800 | 85 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 |
| KR 85 PP | 1740 | KRE 85 PP | 1800 | 85 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| 90 | KR 90 | 1950 | KRE 90 | 2571 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 |
| KR 90 PP | 1950 | KRE 90 PP | 2571 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 90 | 1970 | KRVE 90 | 2030 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| KRV 90 PP | 1970 | KRVE 90 PP | 2030 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 53 | |
| NUKR 90 | 2300 | NUKPE 90 | 2571 | 90 | 30 | 35 | 100 | 63 | 15 | M30×1.5 | 32 | 8 | 4 | 1 | 47 | |
Pictures
Shipping
By Air / By Sea /By Express
a. For small weight or Urgent, goods will be delivery by Express DHL/FedEX/UPS/TNT/EMS
b. For max production,goods will be shipped by sea/by air.
c. According to your requirements
Our Services
a. Samples provided for free charge .
b. Strict Inspection ,and the best quality price with reasonable price bearings provided .
c. OEM service provided.
d. Delivery products from our factory warehouse , delivery time is short .
e. Warranty for 6 months
f. After sale service at any time
Company Information
Guanxian Xinyan Pillow Block Bearing Co.,ltd. is based in ZheJiang (CHINA) since 2011 and is 1 of the biggest authorized manufactures and exporters of bearing. We’ve been dedicated to provide all types of hiigh quality bearings to OEM, Retailers and traders throughout international market since the moment established.
Pillow block bearings, bearings housing,insert bearings and deep groove ball bearings are all we specialized. We are also developing nonstandard bearings as per the drawings from customers.
Up to now, we have exported our goods to Italy, Brazil, Argentina, Poland, India, Pakistan, Bangladesh,Thailand etc.
First class service, efficient delivery methods, the most competitive quality-price ratio, we dedicated to provide you quality brand bearings. Sincerely welcome new and old customers visit and build cooperation.
WHY CHOOSE XINYAN?
NO.1 We provide our customers the most Comprehensive service and we’ll do our best to deal with problems our customers encountered to ensure our customers SATISFACTION
NO.2 The high qualityof our products means that it has long life, high speed, low noise, low vibration and low friction
NO.3 Be honesty, be professional is our faith; good attitude, timely response, quick delivery, consideration of every detail is our working style
NO.4 Manufactured by ourself, enough storage space, enough inventory, high producing efficiency we possess, the most favorable price we offer to our customers makes sure every deal have a happy end
FAQ
Q: How many the MOQ of your company?
A: Our company MOQ is 1pcs.
Q: Could you accept OEM and customize?
A:YES, we can customize for you according to sample or drawing.
Q: Could you supply sample for free?
A: Yes, we can supply sample for free, but need our customer afford freight.
Q : Does your factory have CE?
A: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.
Q: Is it your company is factory or Trade Company?
A: We have our own factory; our type is factory + trade.
Q: What time the guarantee of your bearing quality guarantee period:?
A: 6 months ,Customer need supply photos and send bearing back.
Q: Could you tell me the payment term of your company can accept?
A: T/T, Western Union, PayPal, T/T, L/C
Q: Could you tell me the delivery time of your goods?
A: 7-15 days , mostly base on your order quantity
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| Cage: | With Cage |
|---|---|
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Style: | Without Outer Ring, With Outer Ring, Without Inner Ring |
| Material: | Bearing Steel |
| Type: | Open |
| Samples: |
US$ 0.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|

Can you provide insights into the importance of proper installation and alignment of cam rollers?
Proper installation and alignment of cam rollers are crucial for achieving optimal performance, longevity, and reliability of the tracking system. The installation and alignment process directly impacts the functionality, efficiency, and lifespan of the cam rollers. Here are some key insights into the importance of proper installation and alignment:
- Accurate Tracking: Proper installation ensures that the cam rollers are positioned correctly and aligned with the cam profile or track. Accurate alignment is essential for achieving precise and consistent tracking of objects or components. Even a slight misalignment can result in deviations from the desired path, causing positioning errors, reduced accuracy, and compromised system performance.
- Smooth Motion: Correct installation and alignment play a significant role in enabling smooth and uninterrupted rolling motion of the cam rollers. Misalignment or improper installation can introduce friction, uneven loading, or binding, which can lead to jerky or erratic motion. On the other hand, proper alignment facilitates smooth and efficient rolling, minimizing energy losses, reducing wear, and ensuring seamless operation.
- Load Distribution: Proper alignment helps distribute the load evenly among the cam rollers and the associated components. Uniform load distribution prevents excessive stress on individual rollers, bearings, or tracks, reducing the risk of premature wear, fatigue, or failure. By ensuring proper load distribution, proper installation and alignment contribute to the longevity and reliability of the cam roller system.
- Reduced Wear and Damage: Correct installation and alignment minimize friction and wear between the cam rollers and the track. Improper alignment can cause rubbing, scraping, or uneven contact, leading to accelerated wear, surface damage, or deformation of the rollers or track. Proper alignment reduces these issues, extending the lifespan of the cam rollers and reducing the frequency of maintenance or replacements.
- Optimized Performance: Properly installed and aligned cam rollers maximize the performance of the tracking system. When the cam rollers are aligned correctly, they can operate at their intended design parameters, ensuring efficient power transmission, accurate tracking, and smooth motion. This optimization leads to improved productivity, reduced downtime, and enhanced overall system performance.
- Alignment Sensitivity: Cam roller systems are often sensitive to misalignment due to their precise nature. Small deviations in alignment can have a significant impact on the performance and functionality of the system. Therefore, it is crucial to follow manufacturer guidelines and recommended alignment procedures during installation to ensure proper alignment and avoid potential issues.
- Ease of Maintenance: Proper installation and alignment facilitate easier maintenance and servicing of the cam rollers. When the cam rollers are correctly aligned, it becomes simpler to access and replace individual components, such as bearings or rollers, during routine maintenance or repairs. This reduces downtime, simplifies maintenance procedures, and ensures efficient upkeep of the tracking system.
In summary, proper installation and alignment of cam rollers are essential for achieving accurate tracking, smooth motion, load distribution, reduced wear, optimized performance, and ease of maintenance. By following proper installation procedures and ensuring precise alignment, the longevity, efficiency, and reliability of the cam roller system can be maximized, leading to improved overall system performance and longevity.

Can you explain the impact of cam rollers on the overall efficiency of tracking systems?
Cam rollers play a crucial role in the overall efficiency of tracking systems. These systems rely on the precise and controlled movement of components or objects along a predetermined path, and cam rollers contribute to achieving accurate tracking, smooth motion, and reliable operation. Here’s a detailed explanation of the impact of cam rollers on the overall efficiency of tracking systems:
- Precision Tracking: Cam rollers are designed to follow a specific cam profile or track, which allows for precise tracking of objects or components. The shape and contour of the cam determine the desired motion, and the cam rollers ensure that the objects or components move along the track with high accuracy and repeatability. This precise tracking capability enhances the overall efficiency of tracking systems by ensuring that the intended path is followed consistently.
- Smooth Motion: Cam rollers are engineered to provide smooth rolling motion along the cam profile or track. The rolling elements of the cam rollers, such as bearings or rollers, minimize friction and enable the objects or components to glide smoothly along the track. This smooth motion reduces energy consumption, minimizes wear and tear, and enhances the overall efficiency of the tracking system by facilitating seamless movement without jerks or disruptions.
- Reduced Wear: By distributing the load evenly and providing a rolling contact, cam rollers help reduce wear on both the rollers themselves and the track they follow. The rolling action minimizes frictional forces and wear compared to sliding or dragging mechanisms. This reduced wear extends the lifespan of the cam rollers and the tracking system components, ensuring long-term efficiency and reliability.
- High-Speed Capability: Cam rollers are designed to operate at high speeds without compromising performance. The choice of materials, lubrication, and design factors such as stability and balance enable cam rollers to handle rapid motion and high-speed tracking requirements. Their ability to maintain accurate tracking and smooth motion even at high speeds enhances the overall efficiency of tracking systems in applications where speed is crucial.
- Load Capacity: Cam rollers are engineered to handle varying load capacities based on their design and construction. They can support significant loads while maintaining precise tracking and smooth motion. This load-carrying capability ensures that tracking systems can accommodate different objects or components of varying weights, contributing to the overall efficiency of the system by enabling versatile and reliable operation.
- Reliability and Durability: Cam rollers are typically designed for robustness and durability. They are built to withstand the demands of continuous operation, heavy loads, and challenging environmental conditions. The use of high-quality materials, proper lubrication, and appropriate maintenance practices ensure the reliability and longevity of cam rollers, minimizing downtime and maximizing the overall efficiency of tracking systems.
In summary, cam rollers have a significant impact on the overall efficiency of tracking systems. Their precision tracking, smooth motion, reduced wear, high-speed capability, load capacity, reliability, and durability contribute to the efficient and reliable operation of tracking systems in various applications. By incorporating well-designed and properly maintained cam rollers, tracking systems can achieve optimal performance, accuracy, and productivity.

In what industries or scenarios are cam rollers commonly employed?
Cam rollers, also known as cam followers or track rollers, find extensive usage in various industries and scenarios due to their versatile capabilities. These specialized roller bearings are employed in applications that require motion transmission, guidance, support, load handling, and compensation for misalignment. Here’s a detailed explanation of the industries and scenarios where cam rollers are commonly employed:
- Automotive Industry: Cam rollers play a vital role in the automotive industry. They are used in engines to control valve timing, ensuring precise opening and closing of valves. Cam rollers are also utilized in suspension systems, where they guide the movement of suspension arms and provide support.
- Material Handling and Conveyor Systems: Cam rollers are extensively employed in material handling and conveyor systems. They guide the movement of belts, chains, or rollers, ensuring smooth and controlled transportation of goods. Cam rollers provide support and help maintain proper alignment, contributing to efficient material handling operations.
- Printing and Packaging Machinery: In printing and packaging machinery, cam rollers are commonly utilized. They are used to control tension and guide the movement of printing substrates or packaging materials. Cam rollers ensure consistent and accurate positioning of materials, enabling high-quality printing and precise packaging.
- Textile Industry: Cam rollers have significant applications in the textile industry. They are employed in textile machinery to control the feeding and positioning of fabrics. Cam rollers contribute to the precise movement and tension control of fabrics during various textile processes.
- Construction and Heavy Machinery: Cam rollers are extensively used in construction machinery and heavy equipment. They provide support and handle heavy loads in applications such as excavators, cranes, and loaders. Cam rollers ensure smooth operation and reliable load-bearing capabilities in demanding construction environments.
- Industrial Automation: Cam rollers find wide usage in industrial automation systems. They are employed in robotics, assembly lines, and automated machinery to transmit motion, guide components, and handle loads. Cam rollers contribute to the precise movement and positioning of components in automated processes.
- Aerospace and Defense: Cam rollers have applications in the aerospace and defense industries. They are utilized in aircraft landing gear systems, missile guidance mechanisms, and other critical mechanical systems. Cam rollers provide reliable motion transmission, support, and load handling capabilities in aerospace and defense applications.
These are just a few examples of the industries and scenarios where cam rollers are commonly employed. Their versatility and reliability make them suitable for a wide range of applications that require precise motion control, load handling, and guidance. The specific design, size, and material of cam rollers are selected based on the requirements of each industry or scenario.
In summary, cam rollers find extensive usage in industries such as automotive, material handling, printing and packaging, textile, construction, industrial automation, aerospace, and defense. They are employed in scenarios that require motion transmission, guidance, support, load handling, and compensation for misalignment. Cam rollers contribute to the efficient and reliable operation of mechanical systems across diverse industries and applications.


editor by CX 2024-01-19