INA NA4903 Needle Roller Bearing

Manufacturer: Schaeffler INA
Type: Needle Roller Bearing
Model: NA 4903

Dimensions
Bore diameter d: 17 mm
Outer diameter D: 30 mm
Width B: 13 mm
Minimum chamfer dimension r_min: 0.3 mm
Basic load ratings:
Dynamic C_r: 12400 N
Static C_0r: 14600 N
Fatigue load limit C_ur: 2650 N
Limiting speed: 20000 rpm
Limiting speed for grease: 12000 rpm
Reference speed: 10200 rpm
Operating temperature:  -30 … +120 °C