model 31307-A The interchangeable models are as follows
ISO355 T7FB035 quality/ m
≈kg 0.582

size mm

d	35
D	80
B	21
C	15
T	22.75
r1, r2 min	2
r3, r4 min	1.5
a ≈	26
d1 ≈	59.9

installation size mm

da max	44
db min	44
Da min	62
Da max	71
Db min	76
Ca min	4
Cb min	7.5
ra max	180
rb max	8

Basic rated load N

live load Cr	2.1
dead load Cor	1220000

Calculation coefficient

e	1690000
Y	0.28
Y0	2.37

Fatigue limit load Cur/ N	3.53
limit speed nG min–1	2.32
Reference speed nB min–1	174000