Manufacturer designation:

22212 E/C3

Designation via standards:

53512 (GOST 24696-81);
22212 (DIN 635-2)

Design:

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

Features:

EA  -  ULTAGE design, steel cage;
EM -  ULTAGE design, mssive brass cage;
W33 - annular groove and three lubrication holes in the outer ring;
C3 - radial internal clearance more than normal.