model

bearing	239/670-B-K-MB
withdrawal sleeve	AH39/670

quality m

bearing ≈kg	310
withdrawal sleeve ≈kg	88

size mm

d1H	630
d	670
D	900
B	170
r min	6
D1 ≈	831.5
ds	12.5
ns	23.5
a ≈	12
b	41
screw thread d2G	Tr695×6
I	216

installation size mm

da min	693
Da max	877
ra max	5

Basic rated load N

live load Cr	323
dead load Cor	3

Calculation coefficient

e	1560000
Y1	2600000
Y2	0.36
Y0	1.86

Fatigue limit load Cur/ N	2.77
limit speed nG /min–1	1.82
Reference speed nB/min–1	156000