size,mm

d	68.262
D	161.925
T	49.212

specified load,N

Dynamic load (1) C 1	275000
Coefficient (5) e	0.71
Coefficient (5) Y	0.85
Dynamic load (2) C 90	71400
Dynamic load (2) C a90	86700
Coefficient (5) K	0.82
Static load C 0	330000

bearing designation

inner ring	9278
housing washer	9220

Bearings size, mm

B	46.038
C	31.750
a (3)	0.0

Axial dimension, mm

Maximum shoulder chamfer radius R (4)	3.5
Shaft shoulder diameter D a	90.5
Diameter of the shoulder d b	97.0

Bearings seat size, mm

Maximum shoulder fillet radius r (4)	3.3
Shoulder diameter D a	153.0
Shoulder diameter D b	138.0

retainer

A a	9.10
A b	4.00

coefficient

G 1	102
G 2	18.4
G g	0.0984

weight kg

weight kg	4.50