Cylindrical Roller Bearings
NJ2252MA-cylindrical roller bearing
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Model |
NJ2252MA |
d |
260 mm |
od |
480 mm |
B |
130 mm |
C |
1790 kN |
cr |
3000 kN |
Pu |
265 Pu |
reference speed |
1300 r/min |
limit speed |
2000 r/min |
weight |
112 kg |
d1 |
340 | |
D1 |
397 | |
F、E |
320 | |
r1,2minimum |
5 | |
r3,4minimum |
5 | |
smaximum value |
4.3 | |
daminimum |
280 | |
damaximum value |
309 | |
db、Daminimum |
344 | |
Damaximum value |
460 | |
ramaximum value |
4 | |
rbmaximum value |
||
kr |
0.3 | |
B1 |
||
B2 |