size,mm

d	26.988
D	57.150
T	19.845

specified load,N

Dynamic load (1) C 1	44800
Coefficient (5) e	0.33
Coefficient (5) Y	1.82
Dynamic load (2) C 90	11600
Dynamic load (2) C a90	6560
Coefficient (5) K	1.77
Static load C 0	50200

bearing designation

inner ring	1997X
housing washer	1922

Bearings size, mm

B	19.355
C	15.875
a (3)	-5.8

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	3.3
Shaft shoulder diameter D a	31.5
Diameter of the shoulder d b	37.5

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	1.5
Shoulder diameter D a	53.5
Shoulder diameter D b	51.0

retainer

A a	0.80
A b	1.10

coefficient

G 1	12.5
G 2	6.33
C g	0.0565

weight kg

weight kg	0.23