model 31315 The interchangeable models are as follows
ISO355 T7GB075 X-life - quality/ m
≈kg 3.79

size mm

d	75
D	160
B	37
C	26
T	40
r1, r2 min	3
r3, r4 min	2.5
a ≈	50
d1 ≈	115.8

installation size mm

da max	91
db min	87
Da min	127
Da max	148
Db min	151
Ca min	6
Cb min	415000
ra max	38000
rb max	1600

Basic rated load N

live load Cr
dead load Cor

Calculation coefficient

e
Y
Y0

Fatigue limit load Cur/ N
limit speed nG min–1
Reference speed nB min–1