Cylindrical Roller Bearings
NJ28/710ECMA-cylindrical roller bearing
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Model |
NJ28/710ECMA |
d |
710 mm |
od |
870 mm |
B |
95 mm |
C |
1940 kN |
cr |
5000 kN |
Pu |
375 Pu |
reference speed |
630 r/min |
limit speed |
850 r/min |
weight |
130 kg |
d1 |
766 | |
D1 |
817 | |
F、E |
751 | |
r1,2minimum |
4 | |
r3,4minimum |
4 | |
smaximum value |
1.5 | |
daminimum |
728 | |
damaximum value |
745 | |
db、Daminimum |
771 | |
Damaximum value |
853 | |
ramaximum value |
3 | |
rbmaximum value |
||
kr |
0.15 | |
B1 |
||
B2 |