size,mm

d	45.230
D	79.985
T	19.842

specified load,N

Dynamic load (1) C 1	63800
Coefficient (5) e	0.37
Coefficient (5) Y	1.64
Dynamic load (2) C 90	16500
Dynamic load (2) C a90	10400
Coefficient (5) K	1.60
Static load C 0	83300

bearing designation

inner ring	17887
housing washer	17831

Bearings size, mm

B	20.638
C	15.080
a (3)	-3.8

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	2.0
Shaft shoulder diameter D a	50.0
Diameter of the shoulder d b	54.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	1.3
Shoulder diameter D a	75.0
Shoulder diameter D b	72.0

retainer

A a	1.10
A b	1.30

coefficient

G 1	28.9
G 2	17.9
C g	0.0770

weight kg

weight kg	0.40