size,mm

d	68.262
D	136.525
T	95.250
B	76.200

specified load,N

Dynamic load (1) C 1	376000
Coefficient (5) e	0.36
Coefficient (5) Y1	1.86
Coefficient (5) Y 2	2.78
Dynamic load (2) C 90	55900
Dynamic load (2) C a90	34700
Dynamic load (2) C 90 (2)	97400
Coefficient (5) K	1.61

bearing designation

inner ring	642
housing washer	632D
Separation ring (4)	X1S-642

Axial dimension, mm

Maximum shoulder chamfer radius R (3)	3.5
Diameter of the shoulder d b	85.0

Bearings seat size, mm

Maximum shoulder fillet radius r (3)	1.5
Shoulder diameter D a	125.0

melt

K a
K b

coefficient

G 1	106
G 2	21
G g	0.0814

weight kg

weight kg	5.93