model

bearing	23280-B-K-MB
tapered adapter-sleeve	H3280

quality m

bearing ≈kg	442
tapered adapter-sleeve ≈kg	80.5

size mm

d1H	380
d	400
D	720
B	256
r min	6
D1 ≈	609.8
ds	12.5
ns	23.5
Dm	520
I	328
c1 ≈	81

installation size mm

da max	473
Da max	694
db min	427
Ba min	15
ra max	102

Basic rated load N

live load Cr	7
dead load Cor	2.5

Calculation coefficient

e	430000
Y1	460000
Y2	0.22
Y0	3.04

Fatigue limit load Cur/ N	4.53
limit speed nG /min–1	2.97
Reference speed nB/min–1	47500