INA RNA-NA 49/28 Needle Roller Bearing
Manufacturer: Schaeffler INA
Type: Needle Roller Bearing
Model: NA 49/28
Dimensions
Bore diameter d: 28 mm
Outer diameter D: 45 mm
Width B: 17 mm
Minimum chamfer dimension rmin: 0.3 mm
Basic load ratings:
Dynamic Cr: 27500 N
Static C0r: 33500 N
Fatigue load limit Cur: 6200 N
Limiting speed: 13600 rpm
Limiting speed for grease: 8200 rpm
Reference speed: 7400 rpm
Operating temperature: -30 … +120 °C
