China high quality Stud Type Track Roller Bearing Cam Follower Bearing Kr40PP, Kr47PP, Kr52PP, Kr62PP, Kr72PP, Kr80PP, Kr90PP ABEC-1 carrier bearing

Product Description

Needle roller bearings contain many slender rollers with a length 3 to 10 times their diameter. Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load capacity. There are numerous types available, and many have no inner rings. The drawn-cup type has a pressed steel outer ring and the solid type has a machined outer ring. There are also cage-and-roller assemblies without rings. Most bearings have pressed steel cages, but some are without cages.

Model Number HK series, BK series, HK…RS series, HK…2RS series, BK…RS series, F series, FH series, MF series,  
HF series, CZPT series, K series, K…ZW series, KZK series, series, NK series, NKS series, RNA49 series,
RNA69 series, NKI series, NKIS series, NA49 series, NA69 series, NA48 series, NAO series, RNAO series,
RNA49…RS series, RNA49… 2RS series, RNAV series, NAV series, RPNA series, PNA series, IR series,
LR series, AXK series, AXW series, RSTO series, STO series, RNA2200 series, RNA2200…2RS series,
NA2200 series, NATR series, NATV series, NUTR series, PWTR series, NNTR series, KR series, KRE series,
KRV series, NUKR series, NUKRE series, PWKR series, PWKRE series.
Type needle roller bearing.
Number of Row single row, double row, multi row.
Material supreme chrome steel 100Cr6.
Cage Material steel, brass, nylon.
Hardness HRC 60-64.
Precision Rating P0, P6, P5.
Radial Clearance C0, C2, C3, C4, C5.
Sealing Type open, 2RS.
Grease as per your requirement, such as Chevron SRI-2 ,Multemp PS2, Shell Alvania R2, Changcheng 2 and so on.
Certification ISO 9001:2008.
Mark TIK or your mark.
Package single box package, industrial rolled package or as per buyer’s requirement.
Place of Origin China (Mainland).
Features (1) high precision;
(2) high speed;
(3) high load carrying capacity;
(4) low noise;
(5) long life span.
Application transport machinery, CNC machine, sewing machinery, handcart, physical exercise apparatus, motorcycle,
automobile, electric tool, leisure toys, textile machinery, printing machinery etc.
Payment Term  30% deposit, 70% is paid by TT or L/C or Western Union.
Shipment time ready stock, immediate shipment.
Shipping Port ZheJiang , ZheJiang or HangZhou.
Samples free samples are available.


Items D d1 B
mm mm mm
KR16-PP 16 6 28
KR16-SK-PP 16 6 28
KR19-PP 19 8 32
KR19-SK-PP 19 8 32
KR22-PP 22 10 36
KR26-PP 26 10 36
KR30-PP 30 12 40
KR32-PP 32 12 40
KR35-PP 35 16 52
KR40-PP 40 18 58
KR47-PP 47 20 66
KR52-PP 52 20 66
KR62-PP 62 24 80
KR72-PP 72 24 80
KR80-PP 80 30 100
KR90-PP 90 30 100


Packaging & Shipping






Q1: Are you a manufacturer or a trading company?
A: We have been a professional manufacturer of bearings since 1995 with ISO9001:2015 certificate.

Q2: How is the quality level of your bearings?
A: Our bearings are made of supreme GCr15 bearing steel and are produced with the first class workmanship. The tolerance grade could be P0, P6, P5, P4. The vibration level could be Z1V1, Z2V2, Z3V3.

Q3: Can I get samples to see the quality?
A: Yes, samples are free, but the courier charge shall be borne by the buyer.

Q4: Could you offer OEM service and print my logo/mark on the products?
A: Yes, we could. Please send us your mark registration files, we shall print your logo/mark on the bearings and package.

Q5: How is the lead time?
A: For regular items that are in stock, we could make shipment immediately right after your payment. If the goods are not in stock, our production time is from 15 to 45 days according to the quantity.

Q6: What if I receive defective product for my order?
A: All our bearings are 100% inspected strictly before packing. If you receive any defective product, please provide us photos or videos to show the problem. After confirmation, we shall send you the new product as replacement free of charge.

Q7: What is your term of payment?
A: Term of payment is negotiable. Usually it is 30% deposit in advance, and the balance 70% is paid when the goods are ready for shipment.

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Load Direction: Radial Bearing


Customized Request

cam folllow bearing

Can you provide insights into recent advancements in cam follower bearing technology?

Recent years have witnessed several advancements in cam follower bearing technology, driven by the continuous pursuit of improved performance, durability, and efficiency. Here are some notable insights into the recent advancements in cam follower bearing technology:

  • Enhanced Materials: One significant advancement in cam follower bearing technology is the use of advanced materials. Manufacturers have been exploring new materials with improved properties such as higher strength, enhanced wear resistance, and better corrosion resistance. For example, the incorporation of high-performance materials like ceramic or composite elements in cam follower bearings has resulted in increased durability, reduced friction, and extended service life.
  • High-Speed Capability: Cam follower bearings have seen advancements in their ability to operate at higher speeds. With the demand for faster and more efficient machinery, cam follower bearings are now designed to withstand higher rotational speeds while maintaining precision and reliability. This improvement in high-speed capability allows for the optimization of performance in applications where rapid and accurate motion is required, such as high-speed automation, robotics, or printing presses.
  • Improved Lubrication: Lubrication plays a critical role in the performance and longevity of cam follower bearings. Recent advancements have focused on developing innovative lubrication solutions to enhance the bearing’s efficiency and reliability. For instance, the application of advanced lubricants with superior film formation properties and enhanced temperature resistance has resulted in reduced friction, improved wear protection, and extended maintenance intervals.
  • Optimized Design: Advances in design techniques have led to optimized cam follower bearing designs. Computer-aided design (CAD) tools and simulations have enabled engineers to refine the geometries and profiles of cam follower bearings for improved load distribution, reduced stress concentrations, and enhanced overall performance. These optimized designs help achieve higher load-carrying capacity, improved accuracy, and reduced noise levels.
  • Sealing and Contamination Protection: Cam follower bearings are often exposed to harsh environments and contaminants that can affect their performance. Recent advancements in sealing technologies have resulted in improved sealing solutions for cam follower bearings. Enhanced seals and protective coatings help prevent the ingress of contaminants such as dust, dirt, or moisture, thereby extending the bearing’s service life and reducing the risk of premature failure.
  • Condition Monitoring and Predictive Maintenance: Industry 4.0 and the rise of digitalization have also influenced cam follower bearing technology. The integration of sensors and monitoring systems allows for real-time condition monitoring of cam follower bearings. These systems can collect data on factors like temperature, vibration, and load, enabling predictive maintenance strategies. By detecting early signs of wear or potential failures, predictive maintenance helps optimize maintenance schedules, reduce downtime, and improve overall operational efficiency.

These recent advancements in cam follower bearing technology have significantly contributed to the improvement of performance, durability, and reliability in various industrial applications. The integration of advanced materials, high-speed capabilities, improved lubrication, optimized designs, sealing and contamination protection, and condition monitoring systems have all played a role in pushing the boundaries of cam follower bearing technology and meeting the evolving needs of modern machinery and equipment.

cam folllow bearing

How do cam follower bearings enhance the performance of automation systems and robotics?

Cam follower bearings play a crucial role in enhancing the performance of automation systems and robotics. These bearings offer several advantages that contribute to the efficiency, accuracy, and reliability of such systems. Let’s explore how cam follower bearings enhance the performance of automation systems and robotics:

1. Precise Motion Control: Automation systems and robotics require precise and controlled motion for various tasks, such as pick-and-place operations, assembly, or material handling. Cam follower bearings enable precise motion control by:

  • Transferring rotational motion from motors or actuators to different components or end-effectors.
  • Providing accurate and repeatable positioning, allowing for precise movement and alignment.
  • Enabling controlled linear or oscillating motion required for specific tasks or trajectories.

2. High Load-Carrying Capacity: Automation systems and robotics often involve handling substantial loads, such as robotic arms carrying heavy objects or machines handling materials. Cam follower bearings offer high load-carrying capacity, allowing them to:

  • Support and bear the weight of moving components or payloads, ensuring stable and reliable operation.
  • Handle both radial and axial loads, accommodating the forces exerted during various stages of the automation process.
  • Distribute the applied loads effectively, preventing premature wear or damage to other system components.

3. Compact Design: Space is often a critical consideration in automation systems and robotics, where components need to be compact and lightweight. Cam follower bearings are designed to have a compact form factor, allowing them to be integrated into tight spaces without sacrificing performance.

4. High Durability and Reliability: Automation systems and robotics operate in demanding environments and may undergo continuous or repetitive motion. Cam follower bearings enhance performance by:

  • Being designed to withstand high loads, shocks, and vibrations commonly encountered in automation and robotics applications.
  • Providing long service life and high resistance to wear, ensuring minimal downtime for maintenance or replacement.
  • Operating reliably and consistently, even under high-speed and high-cycle conditions, to maintain system productivity and efficiency.

5. Reduced Friction and Energy Efficiency: Efficiency and energy consumption are crucial considerations in automation systems and robotics. Cam follower bearings contribute to performance by:

  • Incorporating designs that minimize friction and power losses during motion.
  • Utilizing advanced lubrication systems and materials to reduce friction and wear.
  • Enabling smooth and low-friction movement, resulting in reduced energy requirements and improved overall system efficiency.

6. Alignment and Compensation: Automation systems and robotics often involve complex motion profiles or irregular surfaces. Cam follower bearings assist in performance enhancement by:

  • Accommodating misalignments caused by variations in the cam profiles or tracks.
  • Compensating for minor deviations or irregularities in the surfaces they ride on, ensuring smooth and uninterrupted motion.
  • Tracking and following the designated motion paths accurately, allowing for precise and reliable operation.

7. Integration with Control Systems: Cam follower bearings can be integrated seamlessly with control systems in automation and robotics. They can be connected to position feedback sensors or encoders to provide accurate position and velocity feedback, enabling closed-loop control and enhancing system performance.

In summary, cam follower bearings enhance the performance of automation systems and robotics by providing precise motion control, high load-carrying capacity, compact design, durability, reduced friction, alignment compensation, and integration with control systems. These bearings contribute to the efficiency, accuracy, and reliability of automation processes, enabling improved productivity and performance in various industrial applications.

cam folllow bearing

What factors should be considered when selecting a cam follower bearing for a specific application?

When selecting a cam follower bearing for a specific application, several factors need to be considered to ensure optimal performance and compatibility. The following factors play a crucial role in the selection process:

  • Load Requirements:
  • One of the primary considerations is the load requirements of the application. Determine the magnitude and type of loads the cam follower bearing will experience, including radial loads, axial loads, and moment loads. Consider factors such as peak loads, dynamic loads, and the distribution of loads throughout the operating cycle. Select a cam follower bearing with a load capacity that can accommodate the anticipated loads to ensure reliable and long-lasting performance.

  • Operating Speed:
  • Consider the operating speed of the application when selecting a cam follower bearing. High-speed applications require bearings with low friction and efficient rolling capabilities to minimize heat generation and wear. Verify the maximum rotational speed and match it with the bearing’s rated speed to avoid premature failure or performance issues. Additionally, consider factors such as acceleration, deceleration, and any speed variations during the application’s operating cycle.

  • Accuracy and Precision:
  • In applications that require precise motion control or positioning, accuracy and precision are vital. Evaluate the level of accuracy required and select a cam follower bearing with appropriate dimensional tolerances, smooth operation, and low backlash. Factors such as runout, concentricity, and straightness of the bearing components can influence the overall accuracy and precision of the application.

  • Environmental Conditions:
  • Assess the environmental conditions in which the cam follower bearing will operate. Consider factors such as temperature range, humidity, exposure to contaminants, and the presence of corrosive substances. Choose a bearing that is designed to withstand the specific environmental conditions to prevent premature failure or degradation. Sealing options, lubrication requirements, and corrosion-resistant materials should be considered based on the application’s environment.

  • Mounting and Integration:
  • Examine the mounting and integration requirements of the cam follower bearing. Consider the available space, accessibility for installation and maintenance, and the mounting configuration needed for the application. Determine whether a stud-type or yoke-type cam follower bearing is more suitable based on the mounting options and the desired support and guidance. Additionally, assess factors such as alignment, ease of adjustment, and the need for additional components or accessories to ensure proper installation and integration.

  • Reliability and Maintenance:
  • Reliability and maintenance considerations are crucial for the overall performance and cost-effectiveness of the application. Evaluate the expected service life, maintenance requirements, and the availability of replacement parts. Select a cam follower bearing with a proven track record of reliability and durability to minimize downtime and maintenance costs. Additionally, consider factors such as lubrication intervals, re-greasing requirements, and accessibility for maintenance operations.

  • Cost and Availability:
  • Consider the cost and availability of the cam follower bearing. Evaluate the initial cost, long-term cost of ownership, and the availability of the bearing from reputable suppliers. It is essential to balance the desired performance and quality with the available budget and the ability to source the bearing promptly when needed.

By considering these factors, you can make an informed decision when selecting a cam follower bearing for a specific application. Taking into account load requirements, operating speed, accuracy, environmental conditions, mounting and integration needs, reliability and maintenance considerations, as well as cost and availability, will help ensure the chosen bearing meets the application’s demands and provides optimal performance and longevity.

China high quality Stud Type Track Roller Bearing Cam Follower Bearing Kr40PP, Kr47PP, Kr52PP, Kr62PP, Kr72PP, Kr80PP, Kr90PP ABEC-1   carrier bearingChina high quality Stud Type Track Roller Bearing Cam Follower Bearing Kr40PP, Kr47PP, Kr52PP, Kr62PP, Kr72PP, Kr80PP, Kr90PP ABEC-1   carrier bearing
editor by CX 2024-05-14