LR203NPPU Track Roller Bearing 17x47x12mm - Sealed Cam Follower RC Cars & Trucks Ball Bearing measures an inner diameter of

measures an inner diameter of 5mm

6204 C3 Nachi Bearing

6205NSEBNLM Nachi Ball Bearing

85mm Mounted Bearing UCFL317

With a 25mm bore and 52mm outer diameter

LR203NPPU Track Roller Bearing 17x47x12mm - Sealed Cam Follower RC Cars & Trucks Ball Bearing measures an inner diameter ofLR203NPPU Track Roller Bearing Sealed Single Row 17mm x 47mm x 12mm The LR203NPPU is a sealed track roller bearing designed for cam followers, linear tracks, and guide rails. With a 17mm bore and 47mm outer diameter, its built to handle both radial and axial loads while rolling smoothly on cam or rail surfaces. Sealed single row ball bearing Inner diameter: 17mm Outer diameter: 47mm Width: 12mm Load rating (radial): 8,400 N Load rating (axial): 4,400