model

bearing	231/530-K-MB
tapered adapter-sleeve	H31/530

quality m

bearing ≈kg	643
tapered adapter-sleeve ≈kg	160

size mm

d1H	500
d	530
D	870
B	272
r min	7.5
D1 ≈	756.3
ds	12.5
ns	23.5
Dm	670
I	364
c1 ≈	102

installation size mm

da max	609
Da max	838
db min	558
Ba min	18
ra max	138

Basic rated load N

live load Cr	8
dead load Cor	2.5

Calculation coefficient

e	760000
Y1	890000
Y2	0.26
Y0	2.62

Fatigue limit load Cur/ N	3.9
limit speed nG /min–1	2.56
Reference speed nB/min–1	79000