size,mm

d	68.262
D	161.925
T	105.562
B	70.637

specified load,N

Dynamic load (1) C 1	480000
Coefficient (5) e	0.71
Coefficient (5) Y1	0.95
Coefficient (5) Y 2	1.42
Dynamic load (2) C 90	71400
Dynamic load (2) C a90	86700
Dynamic load (2) C 90 (2)	124000
Coefficient (5) K	0.82

bearing designation

inner ring	9278
housing washer	9220D
Separation ring (4)	X1S-9278

Axial dimension, mm

Maximum shoulder chamfer radius R (3)	3.5
Diameter of the shoulder d b	97.0

Bearings seat size, mm

Maximum shoulder fillet radius r (3)	0.8
Shoulder diameter D a	153.0

melt

K a
K b

coefficient

G 1	102
G 2	18.4
G g	0.0984

weight kg

weight kg	9.41