Designation:

NJ212 (DIN5412-1);
42212 (GOST 8328-75)

Design:

The bearing consists of two rings (internal and external) and rolling elements (short cylindrical rollers), connected with a cage.

Features:

separable;
semi-locating;
with cage, mooving into one way (the outer ring with the roller and cage assembly can be separated from the inner ring).

Application:

Wheeled tractors:
K-701 Kirovetc - gearbox;
MTZ-100, MTZ-102 - rear axle;
MTZ-50, MTZ-80, MTZ-82 - pinion gear;
MTZ-5 - main drive shaft of gearbox;
MTZ-80182 - final drive of the rear axle;
YUMZ-6 - gearbox;
Caterpillar tractors:
T-70C, T-70CM
Excavators:
ЭТЦ-161,
ПЭА-1