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NN3040K
Basic parameters
Double row cylindrical roller bearings
Series
NN3040K
Model
Main Size(mm)
200
d
310
D
82
B
2.1
r smin 1
Rated base load
655
Dynamic load Cr/kN
1,170
Static load Cor/kN
66,500
Dynamic load Cr/kgf
119,000
Static load Cor/kgf
Allowable speed(rpm)
1,900
Grease lubrication
2,300
Oil lubrication
Size(mm)
―
Fw
282
Ew
Installation relationship size(mm)
211
d a minmum
218
d b minmum
―
d cmaximum
―
d d minmum
―
Da maximum
299
D b maximum
285
D bminmum
2
r as maximum
Weight(about)kg
―
NNU Cylindrical hole
―
NNU Tapered hole
21.6
NN Cylindrical hole
20.8
NN Tapered hole
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