model 30308-A The interchangeable models are as follows
ISO355 T2FB040 X-life - quality/ m
≈kg 0.812

size mm

d	40
D	90
B	23
C	20
T	25.25
r1, r2 min	2
r3, r4 min	1.5
a ≈	20
d1 ≈	63.3

installation size mm

da max	52
db min	49
Da min	77
Da max	81
Db min	82
Ca min	3
Cb min	3
ra max	2280000
rb max	5400000

Basic rated load N

live load Cr	0.18
dead load Cor	3.85

Calculation coefficient

e	5.73
Y	3.76
Y0	370000

Fatigue limit load Cur/ N	750
limit speed nG min–1	590
Reference speed nB min–1