model 30307-A The interchangeable models are as follows
ISO355 T2FB035 quality/ m
≈kg 0.573

size mm

d	35
D	80
B	21
C	18
T	22.75
r1, r2 min	2
r3, r4 min	1.5
a ≈	16
d1 ≈	55.2

installation size mm

da max	45
db min	44
Da min	70
Da max	71
Db min	74
Ca min	3
Cb min	4.5
ra max	180
rb max	10

Basic rated load N

live load Cr	3
dead load Cor	1320000

Calculation coefficient

e	1570000
Y	0.26
Y0	2.6

Fatigue limit load Cur/ N	3.87
limit speed nG min–1	2.54
Reference speed nB min–1	140000