Cylindrical Roller Bearings
NU228ECM-cylindrical roller bearing
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Model |
NU228ECM |
Optional standard cage |
J,ML |
d |
140 mm |
od |
250 mm |
B |
42 mm |
C |
450 kN |
cr |
510 kN |
Pu |
57 Pu |
reference speed |
2800 r/min |
limit speed |
3200 r/min |
weight |
9.4 kg |
weight |
0.97 kg |
d1 |
||
D1 |
215.78 | |
F、E |
169 | |
r1,2minimum |
3 | |
r3,4minimum |
3 | |
smaximum value |
2.5 | |
daminimum |
154 | |
damaximum value |
165 | |
db、Daminimum |
172 | |
Damaximum value |
235 | |
ramaximum value |
2.5 | |
rbmaximum value |
2.5 | |
kr |
0.15 | |
B1 |
11 | |
B2 |
18 |