Product Description

 

Track roller bearing KR80PP KR 80 PP cam follower bearings

Description of Track roller bearing KR80PP KR 80 PP cam follower bearings

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 Track roller bearing KR80PP KR 80 PP cam follower bearings

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 

 

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Cage: With Cage
Rows Number: Single
Load Direction: Radial Bearing
Style: With Outer Ring
Material: Bearing Steel
Type: Closed
Customization:
Available

|

Customized Request

cam folllow bearing

How do temperature variations and environmental conditions impact the performance of cam follower bearings?

Temperature variations and environmental conditions can significantly impact the performance of cam follower bearings. Let’s explore how these factors affect the bearings in detail:

Temperature Variations:

Temperature variations can have both direct and indirect effects on the performance of cam follower bearings:

  • Lubrication: Temperature changes can affect the viscosity and flow properties of lubricants used in cam follower bearings. High temperatures can cause lubricants to thin out, reducing their effectiveness in creating a protective film between the rolling elements and raceways. Conversely, low temperatures can cause lubricants to thicken, impeding their ability to flow and provide adequate lubrication. Insufficient or degraded lubrication can lead to increased friction, wear, and premature failure of the bearing.
  • Expansion and Contraction: Temperature variations cause the components of cam follower bearings to expand or contract. This can lead to changes in clearances, fit, and geometric tolerances within the bearing assembly. If not properly accounted for, excessive clearances or interference fits can affect the bearing’s load-carrying capacity, accuracy, and overall performance.
  • Thermal Stresses: Differential expansion and contraction due to temperature fluctuations can induce thermal stresses within the bearing components. These stresses can affect the dimensional stability, material fatigue properties, and overall structural integrity of the bearing. Excessive thermal stresses can lead to deformation, microcracking, or accelerated wear, compromising the performance and lifespan of the bearing.
  • Heat Dissipation: High operating temperatures in cam follower bearings can result in increased heat generation. If not effectively dissipated, excessive heat can lead to thermal overload, degraded lubrication, and accelerated wear. Proper heat dissipation mechanisms, such as cooling fins, lubricant circulation, or heat sinks, are necessary to maintain the bearing within acceptable temperature ranges and ensure optimal performance.

Environmental Conditions:

The environmental conditions in which cam follower bearings operate can also impact their performance:

  • Contaminant Ingress: Harsh environments with high levels of dust, dirt, moisture, or other contaminants pose a significant risk to cam follower bearings. Contaminants can enter the bearing assembly and cause abrasive wear, corrosion, or damage to the rolling elements and raceways. Seals and shields are used to protect the bearing from such contaminants, ensuring reliable operation and extending the bearing’s service life.
  • Corrosion and Chemical Exposure: Exposure to corrosive substances, chemicals, or aggressive media can degrade the bearing’s materials and surfaces. Corrosion can lead to pitting, surface roughness, or material deterioration, compromising the bearing’s load-carrying capacity and overall performance. Proper material selection, protective coatings, and sealing solutions are essential to mitigate the effects of corrosion and chemical exposure.
  • Humidity and Moisture: High humidity or exposure to moisture can promote the formation of water condensation or the absorption of moisture by the bearing components. This can lead to rust, oxidation, or lubricant contamination, impairing the bearing’s performance and lifespan. Effective sealing and proper maintenance practices are necessary to safeguard against the detrimental effects of humidity and moisture.
  • Extreme Environments: Cam follower bearings operating in extreme environments, such as high altitudes, underwater applications, or extreme temperatures, require specialized designs and materials. These extreme conditions can pose additional challenges, such as reduced oxygen levels, increased pressure differentials, or extreme temperature gradients. Bearings designed for such environments incorporate features to address these challenges and ensure reliable performance.

Considering temperature variations and environmental conditions is crucial when selecting cam follower bearings. It allows for the proper choice of materials, lubrication methods, sealing solutions, and protective measures to ensure optimal performance, longevity, and reliability in diverse operating conditions.

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

How does proper lubrication impact the performance and longevity of cam follower bearings?

Proper lubrication plays a critical role in enhancing the performance and longevity of cam follower bearings. Adequate lubrication helps reduce friction, dissipate heat, prevent wear, and minimize the risk of damage or premature failure. Let’s explore in detail how proper lubrication impacts the performance and longevity of cam follower bearings:

  • Friction Reduction:
  • Lubrication creates a thin film of lubricant between the rolling elements and the raceways of the cam follower bearing. This lubricating film reduces the friction between the contacting surfaces, allowing for smoother rolling motion. By minimizing friction, proper lubrication helps to optimize the efficiency of the bearing, reduce energy consumption, and minimize heat generation.

  • Wear Prevention:
  • Cam follower bearings are subjected to repeated cycles of loading and unloading, which can lead to surface contact and potential wear. The presence of an appropriate lubricant creates a protective barrier between the rolling elements and the raceways, preventing direct metal-to-metal contact. This lubricating film helps to minimize wear, pitting, and surface damage, thereby extending the bearing’s lifespan.

  • Heat Dissipation:
  • During operation, cam follower bearings generate heat due to friction and the mechanical forces involved. Proper lubrication helps dissipate this heat by carrying it away from the bearing’s contact surfaces. Efficient heat dissipation prevents excessive temperature rise, which can lead to thermal expansion, loss of lubrication properties, and accelerated wear. By maintaining appropriate operating temperatures, proper lubrication contributes to the longevity and reliability of the bearing.

  • Contamination Protection:
  • Lubrication acts as a barrier against contaminants such as dirt, dust, moisture, and other foreign particles. It helps to seal the bearing and prevent the ingress of contaminants into the bearing’s internal components. By keeping the rolling elements and raceways clean, proper lubrication reduces the risk of abrasive wear, corrosion, and damage caused by particle-induced stress concentrations.

  • Corrosion Prevention:
  • In environments where corrosion is a concern, such as high humidity or exposure to corrosive substances, proper lubrication helps protect the bearing against corrosion. The lubricant forms a protective layer that inhibits moisture and corrosive agents from reaching the bearing surfaces. This corrosion prevention capability ensures the integrity of the bearing’s components and prolongs its operational life.

  • Noise and Vibration Reduction:
  • Proper lubrication can contribute to reducing noise and vibration levels in cam follower bearings. The lubricating film helps to cushion the impact and dampen the vibrations caused by the rolling elements. This dampening effect minimizes noise generation and vibration transmission, resulting in smoother and quieter bearing operation.

  • Longevity and Reliability:
  • By providing effective lubrication, cam follower bearings experience reduced friction, wear, and heat, resulting in increased longevity and reliability. Proper lubrication ensures the bearing can withstand heavy loads, high speeds, and demanding operating conditions while maintaining its performance over an extended period. It helps prevent premature failure, minimizes the risk of unplanned downtime, and contributes to the overall productivity of the application.

In summary, proper lubrication is essential for optimizing the performance and longevity of cam follower bearings. It reduces friction, prevents wear, dissipates heat, protects against contamination and corrosion, reduces noise and vibration, and enhances the bearing’s overall reliability. By selecting the appropriate lubricant and following the recommended lubrication intervals, cam follower bearings can operate efficiently, withstand demanding conditions, and provide extended service life.

China factory Track Roller Bearing Kr80PP Kr 80 PP Cam Follower Bearings   bearing engineeringChina factory Track Roller Bearing Kr80PP Kr 80 PP Cam Follower Bearings   bearing engineering
editor by CX 2024-05-09