size,mm

d	20.627
D	56.896
T	19.368

specified load,N

Dynamic load (1) C 1	42000
Coefficient (5) e	0.31
Coefficient (5) Y	1.95
Dynamic load (2) C 90	10900
Dynamic load (2) C a90	5740
Coefficient (5) K	1.90
Static load C 0	45300

bearing designation

inner ring	1778
housing washer	1729

Bearings size, mm

B	19.837
C	15.875
a (3)	-6.9

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	0.8
Shaft shoulder diameter D a	26.0
Diameter of the shoulder d b	27.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	1.3
Shoulder diameter D a	51.0
Shoulder diameter D b	49.0

retainer

A a	*
A b	*

coefficient

G 1	10.6
G 2	5.39
G g	0.0521

weight kg

weight kg	0.26