model 30306-A The interchangeable models are as follows
ISO355 T2FB030 quality/ m
≈kg 0.445

size mm

d	30
D	72
B	19
C	16
T	20.75
r1, r2 min	1.5
r3, r4 min	1.5
a ≈	15
d1 ≈	49.3

installation size mm

da max	40
db min	37
Da min	62
Da max	65
Db min	66
Ca min	3
Cb min	4.5
ra max	170
rb max	14

Basic rated load N

live load Cr	2.5
dead load Cor	1150000

Calculation coefficient

e	1400000
Y	0.26
Y0	2.64

Fatigue limit load Cur/ N	3.93
limit speed nG min–1	2.58
Reference speed nB min–1	125000