Designation:

63001-2RS (DIN625-1, ISO15:2011);
1-120-900-012 (Bosch);
1-120-905-003 (Bosch);

Application:

BOSCH alternator on Audi, BMW, FIAT, Mercedes Benz, Porsche, VW, Volvo

Design:

The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator.

Features:

Deep groove ball bearing  with R-type lip seals on both sides;
Thermal tolerance C3 - more then normal (for automotive equipment)