Product Description
INA KR47PPA Stud Type Track Roller
The INA KR47PPA is a high-performance stud type track roller, also known as a cam follower, designed for demanding applications such as cam drives, conveyor systems, and linear guidance systems. It features a thick-walled outer ring with a crowned profile to accommodate misalignment and reduce edge stresses, ensuring a longer operational life. The KR47PPA is equipped with PPA seals on both sides, which provide excellent protection against contaminants and retain lubricant effectively. This ready-to-mount unit is based on a needle roller bearing and includes a solid stud with a fixing thread, allowing for simple and secure installation.
Technical Specifications:
- Outside diameter (D): 47 mm
- Stud diameter (d1): 20 mm
- Overall length (B1): 66 mm
- Basic dynamic load rating (C): 21900 N
- Basic static load rating (C0): 31500 N
- Sealing: PPA – Contact seals on both sides

INA KR47PPA
Discover the INA KR47PPA, a robust stud type track roller (cam follower) with a 47mm outer diameter. Features a crowned outer ring and PPA seals for superior performance and durability in linear motion and conveyor applications.








