Cylindrical Roller Bearings
NJ18/630ECMA/HB1-cylindrical roller bearing
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Model |
NJ18/630ECMA/HB1 |
d |
630 mm |
od |
780 mm |
B |
69 mm |
C |
1100 kN |
cr |
2500 kN |
Pu |
183 Pu |
reference speed |
750 r/min |
limit speed |
950 r/min |
weight |
75 kg |
d1 |
682 | |
D1 |
724 | |
F、E |
667 | |
r1,2minimum |
4 | |
r3,4minimum |
4 | |
smaximum value |
1.5 | |
daminimum |
645 | |
damaximum value |
662 | |
db、Daminimum |
685 | |
Damaximum value |
765 | |
ramaximum value |
3 | |
rbmaximum value |
||
kr |
0.1 | |
B1 |
||
B2 |