model 31309-A The interchangeable models are as follows
ISO355 T7FB045 X-life - quality/ m
≈kg 0.998

size mm

d	45
D	100
B	25
C	18
T	27.25
r1, r2 min	2
r3, r4 min	1.5
a ≈	32
d1 ≈	75.8

installation size mm

da max	56
db min	54
Da min	79
Da max	91
Db min	95
Ca min	4
Cb min	299.8
ra max	210
rb max	10

Basic rated load N

live load Cr	2.1
dead load Cor	1270000

Calculation coefficient

e	1800000
Y	0.23
Y0	2.9

Fatigue limit load Cur/ N	4.31
limit speed nG min–1	2.83
Reference speed nB min–1	203000