INA Machined Type Needle Roller Bearing with Inner Ring NA-4909
Specifications: Brand INA MPN NA4909-XL Material Steel ID - Inner Diameter 45mm OD - Outer Diameter 68mm Width 22mm Basic dynamic load rating, radial (C r) 51000 N Basic static load rating, radial (C 0r) 73000 N Limiting speed for grease lubrication (n G Grease) 5200 1/min Limiting speed (n G) 8600 1/min Seals/Shields Unsealed Weight (kg) 0.271