Cylindrical Roller Bearings
NJ309ECP-cylindrical roller bearing
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Model |
NJ309ECP |
Optional standard cage |
J,M,ML,PH |
d |
45 mm |
od |
100 mm |
B |
25 mm |
C |
112 kN |
cr |
100 kN |
Pu |
12.9 Pu |
reference speed |
7500 r/min |
limit speed |
8500 r/min |
weight |
0.89 kg |
weight |
0.11 kg |
d1 |
64.4 | |
D1 |
83.2 | |
F、E |
58.5 | |
r1,2minimum |
1.5 | |
r3,4minimum |
1.5 | |
smaximum value |
1.7 | |
daminimum |
54 | |
damaximum value |
56 | |
db、Daminimum |
67 | |
Damaximum value |
91.4 | |
ramaximum value |
1.5 | |
rbmaximum value |
||
kr |
0.15 | |
B1 |
7 | |
B2 |
11.5 |