model

bearing	22248-B-K-MB
withdrawal sleeve	AH2248

quality m

bearing ≈kg	81.2
withdrawal sleeve ≈kg	11.2

size mm

d1H	220
d	240
D	440
B	120
r min	4
D1 ≈	380.7
ds	12.5
ns	23.5
a ≈	6
b	21
screw thread d2G	Tr260×4
I	144

installation size mm

da min	257
Da max	423
ra max	3

Basic rated load N

live load Cr	169
dead load Cor	2

Calculation coefficient

e	530000
Y1	750000
Y2	0.32
Y0	1.96

Fatigue limit load Cur/ N	2.92
limit speed nG /min–1	1.92
Reference speed nB/min–1	84000