Manufacturer's designation:

22228 W33M

Designation according to standards:

3528Н GOST 24696-81;
22228 DIN 635-2;

Construction:

A roller bearing consists of two rings (inner and outer) and rolling bodies (spherical rollers) connected by a separator.

Features:

W33 - annular groove with lubrication holes on the surface of the outer ring;
CC - separator made of stamped steel or
M - separator made of non-ferrous metal - brass.