size,mm

d	20.638
D	49.225
T	19.845

specified load,N

Dynamic load (1) C 1	40400
Coefficient (5) e	0.32
Coefficient (5) Y	1.86
Dynamic load (2) C 90	10500
Dynamic load (2) C a90	5790
Coefficient (5) K	1.81
Static load C 0	43200

bearing designation

inner ring	12580
housing washer	12520

Bearings size, mm

B	19.845
C	15.875
a (3)	-7.1

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	1.5
Shaft shoulder diameter D a	26.0
Diameter of the shoulder d b	28.5

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	1.5
Shoulder diameter D a	45.5
Shoulder diameter D b	42.5

retainer

A a	0.90
A b	1.10

coefficient

G 1	8.6
G 2	6.21
G g	0.0495

weight kg

weight kg	0.18