INA 3808 Angular Contact Ball Bearing - 40 mm ID, 52 mm OD, 10 mm Width Housing Locating Washer they have a special impact

they have a special impact surface allowing for optimum transmission of impact energy to the nut

accommodating various head sizes

0~75000 microns Resolution 0

Laser hardened cutting edges cut clean and remain sharp 50% longer

INA 3808 Angular Contact Ball Bearing - 40 mm ID, 52 mm OD, 10 mm Width Housing Locating Washer they have a special impactAngular Contact Ball Bearing Angular Contact Ball Bearings have raceways in the inner and outer rings that are displaced relative to each other in the direction of the bearing axis. They are designed to accommodate combined loads. Suitable for use in a wide range of industrial applications where reliability and performance are essential.