NA4910 Needle Roller Bearing 50x72x22mm - Machined TypeNA4910 Needle Roller Bearing Machined Type 50mm x 72mm x 22mm Complete with Inner Ring The NA4910 is a heavy duty, machined needle roller bearing designed for high radial load applications. With its included inner ring (cone), it's ready for use in gearboxes, transmissions, and industrial machinery requiring compact, high capacity bearings. Size: 50mm ID x 72mm OD x 22mm width Type: Machined needle roller bearing Design: Includes complete inner ring