size,mm

d	76.200
D	155.575
T	101.600
B	85.725

specified load,N

Dynamic load (1) C 1	512000
Coefficient (5) e	0.33
Coefficient (5) Y1	2.08
Coefficient (5) Y 2	3.09
Dynamic load (2) C 90	76300
Dynamic load (2) C a90	42500
Dynamic load (2) C 90 (2)	133000
Coefficient (5) K	1.80

bearing designation

inner ring	748-S
housing washer	742D
Separation ring (4)	X3S-748-S

Axial dimension, mm

Maximum shoulder chamfer radius R (3)	3.5
Diameter of the shoulder d b	93.0

Bearings seat size, mm

Maximum shoulder fillet radius r (3)	1.5
Shoulder diameter D a	143.0

melt

K a
K b

coefficient

G 1	160
G 2	26.3
G g	0.0898

weight kg

weight kg	8.75