Manufacturer: Schaeffler INA
Type: Drawn cup needle roller bearing open end
Model: HK4520
Dimensions
Diameter under rollers Fw: 45Â mm
Outer diameter D: 52 mm
Width outer ring C: 20 mm
Basic load ratings:
Dynamic C: 27000 N
Static C0: 59000Â N
Fatigue load limit: 7700 N
Limiting speed: 5900 rpm
Limiting speed for grease lubrication: 3550 rpm
Reference speed: 4450 rpm