Cylindrical Roller Bearings
NNC4948CV-Single row full loaded cylindrical roller bearing
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Model |
NNC4948CV |
d |
240 mm |
od |
320 mm |
B |
80 mm |
C |
781 kN |
cr |
1760 kN |
Pu |
173 Pu |
reference speed |
850 r/min |
limit speed |
1100 r/min |
weight |
18.5 kg |
d1 |
271 | |
D1 |
291 | |
E、F |
– | |
r1,2minimum |
8 | |
r3,4minimum |
4 | |
smaximum value |
2.1 | |
daminimum |
– | |
das1) |
– | |
dbmaximum value |
251 | |
Damaximum value |
261 | |
Dbmaximum value |
308 | |
ramaximum value |
2 | |
rbmaximum value |
– | |
kr |
0.25 |