model 30305-A The interchangeable models are as follows
ISO355 T2FB025 quality/ m
≈kg 0.289

size mm

d	25
D	62
B	17
C	15
T	18.25
r1, r2 min	1.5
r3, r4 min	1.5
a ≈	13
d1 ≈	42.3

installation size mm

da max	34
db min	32
Da min	54
Da max	55
Db min	57
Ca min	2
Cb min	3
ra max	445.4
rb max	313

Basic rated load N

live load Cr	12
dead load Cor	3

Calculation coefficient

e	1960000
Y	3650000
Y0	0.25

Fatigue limit load Cur/ N	2.69
limit speed nG min–1	4
Reference speed nB min–1	2.63