Cylindrical Roller Bearings
NJ2980ECMA-cylindrical roller bearing
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Model |
NJ2980ECMA |
d |
400 mm |
od |
540 mm |
B |
82 mm |
C |
1380 kN |
cr |
2800 kN |
Pu |
245 Pu |
reference speed |
1200 r/min |
limit speed |
1600 r/min |
weight |
57 kg |
d1 |
448 | |
D1 |
495 | |
F、E |
435 | |
r1,2minimum |
4 | |
r3,4minimum |
4 | |
smaximum value |
0.9 | |
daminimum |
415 | |
damaximum value |
430 | |
db、Daminimum |
454 | |
Damaximum value |
525 | |
ramaximum value |
3 | |
rbmaximum value |
||
kr |
0.15 | |
B1 |
||
B2 |