Designation:

42205КМ (GOST 8328-75);
NJ205 (DIN 5412-1).

ОЕМ numbers:

NJ205ETVP2 (FAG);
NJ205E (NTN);
NJ205 (Nachi);
NJ205 (Koyo);
NJ205ECP (SKF);
NJ205ET (NSK);
HJ205EW (NSK);

Design:

The cylindrical roller bearing consists of two cages (internal and external) and rolling elements (cylindrical rollers), connected with a separator.