model

bearing	NJ421-M1
X-life	XL
L-shaped inclined guard ring	HJ421

quality m

bearing ≈kg	18
L-shaped inclined guard ring ≈kg	1.65

size mm

d	105
D	260
B	60
r min	4
r1 min	4
s1)	-
E	220.5
F	144.5
D1 ≈	207.4
d1 ≈	158.8
B1	16
B2	27
B3	-

installation size mm

da min<	125
da max	-
dc min	162
Da max<	240
ra max	3

Basic rated load N

live load Cr	610000
dead load Cor	590000

Fatigue limit load Cur/N	87000
limit speed nG/min–1	4500
Reference speed nB/min–1	-