Inner diameter:: 55 mm
Outer diameter: 80 mm
The size of the width: 25 mm
Weight:: 0.393 kg

Technical specifications

Designation: NA4911

Producer: INA

Technical data from the manufacturers catalog :

Inner diameter (d): 55 mm

Inner diameter (F): 63 mm

Outside diameter (D): 80 mm

Width (B): 25 mm

Weight: 0.393 kg

Limiting speed (rpm): 7500

Loading capacity dynamic (C): 58.0

Loading capacity dynamic (C0): 100.0