model

bearing	239/670-B-K-MB
tapered adapter-sleeve	H39/670

quality m

bearing ≈kg	310
tapered adapter-sleeve ≈kg	166

size mm

d1H	630
d	670
D	900
B	170
r min	6
D1 ≈	831.5
ds	12.5
ns	23.5
Dm	780
I	264
c1 ≈	101

installation size mm

da max	730
Da max	877
db min	689
Ba min	20
ra max	149

Basic rated load N

live load Cr	8
dead load Cor	2.5

Calculation coefficient

e	870000
Y1	1040000
Y2	0.25
Y0	2.67

Fatigue limit load Cur/ N	3.97
limit speed nG /min–1	2.61
Reference speed nB/min–1	97000