model

bearing	23988-K-MB
tapered adapter-sleeve	H3988

quality m

bearing ≈kg	98.3
tapered adapter-sleeve ≈kg	58.3

size mm

d1H	410
d	440
D	600
B	118
r min	4
D1 ≈	552.8
ds	12.5
ns	23.5
Dm	520
I	189
c1 ≈	75

installation size mm

da max	482
Da max	585.4
db min	454
Ba min	17
ra max	108

Basic rated load N

live load Cr	8
dead load Cor	2.1

Calculation coefficient

e	430000
Y1	475000
Y2	0.24
Y0	2.84

Fatigue limit load Cur/ N	4.23
limit speed nG /min–1	2.78
Reference speed nB/min–1	52000