Stud Type Track Rollers Cam Follower KR 22 PP

Stud Type Track Rollers Cam Follower KR 22 PP

Introduction of Cam Follower Bearings

Cam follower bearings play a crucial role in various mechanical applications, providing support and facilitating motion in a wide range of systems. Among these, the KR cam follower bearing stands out for its unique design and versatile applications. In this essay, we delve into the structure, working principle, design considerations, and applications of KR cam follower bearings, shedding light on their significance in the realm of mechanical engineering.

Details Parameter of KR Cam Follower Bearings

Crowned outer ring running surface as standard, designation suffixes PPSKA and PPA with an improved crowned profile, with or without axial sliding rings, cage-guided or full complement of needle rollers, concentric or eccentric seat, sizedependent characteristics regarding relubrication and holding during mounting .

KR Series : Crowned Surafce,  Hexagon on Both Ends 

KR…PPA Series : Crowned Surafce,  Slot /  Hexagon on Both Ends , Sealed

KRV…PPA Series :   Crowned Surafce,  Full Complement, Slot /  Hexagon on Both Ends , Sealed

KRE…PPA Series :  Needle Type, Crowned Surafce , Eccentric , Sealed

KR Cam Follower Bearing.pdf

Structure of KR Cam Follower Bearings

The KR cam follower bearing is characterized by its distinctive structure, designed to withstand radial loads and support linear motion. Typically, it consists of a stud or shaft, a thick-walled outer ring, a set of needle rollers or ball bearings, and a cage. The stud serves as the mounting point, allowing the bearing to be attached to a machine component, while the outer ring provides stability and support.

The needle rollers or ball bearings within the KR cam follower play a pivotal role in enabling smooth and efficient motion. These elements are arranged between the stud and the outer ring, minimizing friction and facilitating movement along the cam profile. The cage, often made of high-strength materials, maintains proper spacing between the rolling elements, ensuring even load distribution and enhancing the bearing's durability.

Working Principle of KR Cam Follower Bearings

The working principle of KR cam follower bearings revolves around their ability to follow the contour, or cam profile, along which they move. As the cam rotates, the follower bearing translates this rotary motion into linear motion, thanks to the interaction between the rolling elements and the cam profile. This mechanism allows for precise and controlled movement in applications where linear motion is essential.

The design of the cam profile influences the motion characteristics of the KR cam follower bearing. Different cam profiles can be employed to achieve specific motion patterns, including uniform motion, oscillating motion, and dwell motion. This versatility makes KR cam follower bearings suitable for diverse applications, ranging from manufacturing machinery to automotive systems.

Bearing Life of KR Cam Follower Bearings

The KR Cam Follower bearing size to be used can be selected on the basis of its load ratings in relation to the applied loads and the requirements regarding bearing life and reliability. 

A simple way to calculate cam follower bearing life is the classic ISO formula for basic rating life. However, SUMA recommends using the SUMA rating life, which makes predicting bearing life more reliable. The values of the basic dynamic load rating C and the basic static load rating C0 are listed in the product tables.

Design Considerations for KR Cam Follower Bearings

• Several key design considerations contribute to the effectiveness and reliability of KR cam follower bearings. First and foremost is the choice of materials. The stud, outer ring, rolling elements, and cage must be made from materials that offer high strength, wear resistance, and corrosion resistance. Common materials include hardened steel, stainless steel, and advanced alloys, depending on the application requirements.

  
  

• Another critical aspect is the sealing mechanism. KR cam follower bearings are often exposed to harsh environmental conditions, including dust, debris, and moisture. Effective seals prevent contaminants from entering the bearing, preserving the integrity of the rolling elements and ensuring long-term performance.

  
  

• Furthermore, the design of the stud and outer ring must be optimized for load distribution and stress resistance. Advanced computer-aided design (CAD) tools are employed to analyze stress points, material fatigue, and other factors, allowing engineers to refine the geometry for optimal performance and longevity.

  
  

Applications of KR Cam Follower Bearings

• The versatility of KR cam follower bearings makes them indispensable in various applications across different industries. In the realm of manufacturing machinery, these bearings find use in linear motion systems, robotic arms, and conveyor systems. Their ability to handle both radial and axial loads makes them suitable for applications where complex motion patterns are required.

  
  

• In the automotive sector, KR cam follower bearings are employed in suspension systems, providing support and facilitating controlled motion. Their compact design and reliability make them ideal for use in steering linkages and other critical components.

  
  

• Beyond manufacturing and automotive applications, KR cam follower bearings are utilized in the aerospace industry, where precision and reliability are paramount. They find a place in flight control systems, ensuring smooth and accurate movement in response to pilot commands.

  
  

Conclusion

In conclusion, KR cam follower bearings stand as integral components in the realm of mechanical engineering, providing a unique solution for translating rotary motion into controlled linear motion. The carefully engineered structure, coupled with advanced materials and design considerations, allows these bearings to thrive in diverse applications, from manufacturing machinery to aerospace systems.

Understanding the intricacies of KR cam follower bearings, including their structure, working principle, design considerations, and applications, is essential for engineers and designers seeking optimal solutions for linear motion challenges. As technology advances, the continued refinement of these bearings will likely open up new possibilities and applications, further solidifying their role in shaping the future of mechanical engineering.

FAQ 

1. Are you Trading Company or Manufacturer ?

 SUMA is Manufacturer with one-stop service , Production history over 20 years, exporting experience up to 10 years  . 

2. Can i have Samples to check quality first ?

It is okay to get cam follower bearing sample for quality check, we provide 2-5 pieces sample free of charge. 

3. How can i choose the correct cam follower bearing i need ? 

Torque capacity , Rotation Speed , and Dimensions are necessary to choose the right model. 

If you not so sure about it, pls share with us, our engineer will give you professional guidance . 

4. What Material of the bearings you are supplied ?

Standard Material : Outer Race : GCr15, Needle Roller: GCr15 , Cage: PA66 /STEEL 

Stainless Steel Material available too .  

5. How soon you can make the shipment ? 

Usually all are in stock, can ship out within 2-3 days .

If big quantity, can ship out in 10 days .

Customized sizes may need 15-20 days , Depends on specific order.