RNA4909-2RS Needle Roller Bearing 52x68x22mm- Machined TypeRNA4909 2RS Needle Roller Bearing 52mm x 68mm x 22mm Machined Type, No Inner Ring This RNA4909 2RS is a heavy duty machined needle roller bearing without an inner ring. Its sealed on both sides and ideal for high load, tight clearance applications like transmissions, construction gear, and off road machinery where compact yet powerful bearings are needed. Pack size: One bearing Type: Machined needle roller bearing Dimensions: 52mm x 68mm x 22mm Inner