model 31305-A The interchangeable models are as follows
ISO355 T7FB025 quality/ m
≈kg 0.297

size mm

d	25
D	62
B	17
C	13
T	18.25
r1, r2 min	1.5
r3, r4 min	1.5
a ≈	20
d1 ≈	46.3

installation size mm

da max	34
db min	32
Da min	47
Da max	55
Db min	59
Ca min	3
Cb min	5
ra max	407.6
rb max	311

Basic rated load N

live load Cr	12
dead load Cor	2.5

Calculation coefficient

e	1270000
Y	2650000
Y0	0.2

Fatigue limit load Cur/ N	3.42
limit speed nG min–1	5.09
Reference speed nB min–1	3.34