Inner diameter:: 40 mm
Outer diameter: 55 mm
The size of the width: 17 mm
Weight:: 0.127 kg

Technical specifications

Designation: NAO40x55x17

Producer: INA

Technical data from the manufacturers catalog :

Inner diameter (d): 40 мм

Inner diameter (F): 45 мм

Outside diameter (D): 55 мм

Outside diameter (E): 50 мм

Width (B): 17 мм

Weight: 0.127 Кг

Limiting speed (rpm): 10000