model 31318 The interchangeable models are as follows
ISO355 T7GB090 X-life - quality/ m
≈kg 5.5

size mm

d	90
D	190
B	43
C	30
T	46.5
r1, r2 min	4
r3, r4 min	3
a ≈	58
d1 ≈	135.9

installation size mm

da max	109
db min	104
Da min	151
Da max	176
Db min	179
Ca min	6
Cb min	1.5
ra max	1.5
rb max	45000

Basic rated load N

live load Cr	46500
dead load Cor	0.83

Calculation coefficient

e	0.73
Y	0.4
Y0	5300

Fatigue limit load Cur/ N	9800
limit speed nG min–1	6500
Reference speed nB min–1