INA Machined Type Needle Roller Bearing with Inner Ring NA-4903
Specifications: Brand INA MPN NA4903-XL Material Steel ID - Inner Diameter 17mm OD - Outer Diameter 30mm Width 13mm Basic dynamic load rating, radial (C r) 12400 N Basic static load rating, radial (C 0r) 14600 N Limiting speed for grease lubrication (n G Grease) 12000 1/min Limiting speed (n G) 20000 1/min Seals/Shields Unsealed Weight (kg) 0.037