size,mm

d	25.987
D	57.150
T	17.462

specified load,N

Dynamic load (1) C 1	42600
Coefficient (5) e	0.35
Coefficient (5) Y	1.73
Dynamic load (2) C 90	11000
Dynamic load (2) C a90	6550
Coefficient (5) K	1.69
Static load C 0	50100

bearing designation

inner ring	15579X
housing washer	15520

Bearings size, mm

B	17.462
C	13.495
a (3)	-5.1

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	3.5
Shaft shoulder diameter D a	31.0
Diameter of the shoulder d b	37.5

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	1.5
Shoulder diameter D a	53.0
Shoulder diameter D b	51.0

retainer

A a	*
A b	*

coefficient

G 1	12.7
G 2	10.3
C g	0.0577

weight kg

weight kg	0.21