model

bearing	NJ248-E-M1
L-shaped inclined guard ring	-

quality m

bearing ≈kg	52.5
L-shaped inclined guard ring ≈kg	-

size mm

d	240
D	440
B	72
r min	4
r1 min	4
s1)	6
E	393
F	293
D1 ≈	376.6
d1 ≈	312
B1	-
B2	-
B3	-

installation size mm

da min<	257
da max	290
dc min	315
Da max<	423
ra max	3

Basic rated load N

live load Cr	1140000
dead load Cor	1600000

Fatigue limit load Cur/N	163000
limit speed nG/min–1	2600
Reference speed nB/min–1	1240