model 31330-X The interchangeable models are as follows
ISO355 T7GB150 quality/ m
≈kg 28

size mm

d	150
D	320
B	75
C	50
T	82
r1, r2 min	5
r3, r4 min	4
a ≈	100
d1 ≈	237

installation size mm

da max	181
db min	168
Da min	251
Da max	302
Db min	300
Ca min	9
Cb min	32
ra max	12
rb max	3

Basic rated load N

live load Cr	2.5
dead load Cor	270000

Calculation coefficient

e	345000
Y	0.35
Y0	1.74

Fatigue limit load Cur/ N	0.96
limit speed nG min–1	43500
Reference speed nB min–1	5000