Designation:

2212 (DIN 630);
1512 (GOST 28428-90).

Design:

The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator. Inner surface of rings has sperical form for free rings axial rotate.

Features:

self-aligning ball bearing provides correct operation at axial distortion;
lip seals (type RS) on both sides of the bearing.