size,mm

d	38.100
D	80.167
T	29.370

specified load,N

Dynamic load (1) C 1	106000
Coefficient (5) e	0.27
Coefficient (5) Y	2.20
Dynamic load (2) C 90	27600
Dynamic load (2) C a90	12900
Coefficient (5) K	2.14
Static load C 0	129000

bearing designation

inner ring	3381
housing washer	3331

Bearings size, mm

B	30.391
C	23.812
a (3)	-10.9

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	3.5
Shaft shoulder diameter D a	44.5
Diameter of the shoulder d b	51.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	0.8
Shoulder diameter D a	74.5
Shoulder diameter D b	72.0

retainer

A a	1.80
A b	1.10

coefficient

G 1	34.6
G 2	12.1
C g	0.0744

weight kg

weight kg	0.68