Cylindrical Roller Bearings
NJ2228ECML-cylindrical roller bearing
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Model |
NJ2228ECML |
Optional standard cage |
PA |
d |
140 mm |
od |
250 mm |
B |
68 mm |
C |
655 kN |
cr |
830 kN |
Pu |
93 Pu |
reference speed |
2800 r/min |
limit speed |
4800 r/min |
weight |
15.5 kg |
weight |
1.05 kg |
d1 |
179 | |
D1 |
216.7 | |
F、E |
169 | |
r1,2minimum |
3 | |
r3,4minimum |
3 | |
smaximum value |
4.4 | |
daminimum |
154 | |
damaximum value |
165 | |
db、Daminimum |
182 | |
Damaximum value |
235 | |
ramaximum value |
2.5 | |
rbmaximum value |
||
kr |
0.3 | |
B1 |
11 | |
B2 |
23 |