model

bearing	23980-B-K-MB
tapered adapter-sleeve	H3980

quality m

bearing ≈kg	68.2
tapered adapter-sleeve ≈kg	38.5

size mm

d1H	380
d	400
D	540
B	106
r min	4
D1 ≈	499
ds	9.5
ns	17.5
Dm	470
I	168
c1 ≈	66

installation size mm

da max	435
Da max	525.4
db min	413
Ba min	15
ra max	100

Basic rated load N

live load Cr	6
dead load Cor	2.5

Calculation coefficient

e	610000
Y1	630000
Y2	0.33
Y0	2.03

Fatigue limit load Cur/ N	3.02
limit speed nG /min–1	1.98
Reference speed nB/min–1	55000