model

bearing	23284-B-K-MB
tapered adapter-sleeve	H3284

quality m

bearing ≈kg	537
tapered adapter-sleeve ≈kg	94.8

size mm

d1H	400
d	420
D	760
B	272
r min	7.5
D1 ≈	642.2
ds	12.5
ns	23.5
Dm	540
I	352
c1 ≈	89

installation size mm

da max	495
Da max	728
db min	449
Ba min	16
ra max	107

Basic rated load N

live load Cr	7
dead load Cor	2

Calculation coefficient

e	450000
Y1	570000
Y2	0.28
Y0	2.37

Fatigue limit load Cur/ N	3.53
limit speed nG /min–1	2.32
Reference speed nB/min–1	52000