Manufacturer:Â Schaeffler INA
Type:Â Needle Roller Bearing
Model:Â NA4910
Replaces: NA4910-XL
Dimensions
Bore diameter: 50 mm
Outer diameter D: 72 mm
Width B: 22 mm
Minimum chamfer dimension rmin: 0.6 mm
Basic load ratings:
Dynamic Cr: 53000 N
Static C0r: 80000 N
Fatigue load limit Cur: 14100 N
Reference speed: 4150 rpm
Limiting speed: 7800 rpm
Operating temperature:  -30 … +120 °C