model

bearing	NJ252-E-M1
L-shaped inclined guard ring	HJ252-E

quality m

bearing ≈kg	69.4
L-shaped inclined guard ring ≈kg	5.92

size mm

d	260
D	480
B	80
r min	5
r1 min	5
s1)	-
E	429
F	317
D1 ≈	410.8
d1 ≈	336.9
B1	18
B2	30
B3	-

installation size mm

da min<	280
da max	-
dc min	341
Da max<	460
ra max	4

Basic rated load N

live load Cr	1340000
dead load Cor	1900000

Fatigue limit load Cur/N	191000
limit speed nG/min–1	2400
Reference speed nB/min–1	1120