- New
IR 50x55x20 OH RICH
IR 50x55x20 OH (IS1) RICH Inner Ring – designed as a precision raceway for needle roller bearings, featuring a lubrication hole (IS1) for improved grease distribution. Compact dimensions (50 x 55 x 20 mm) and lightweight construction make it ideal for applications where shaft hardness is insufficient, ensuring durability and consistent performance.