NN49/95 NSK Multi-Row Roller Bearings NTN 

Brand Name:NSK
Model Number:NN49/95
Bearing number:4T-25584/25520
Size (mm):44.983x82.931x23.812
Bore Diameter (mm):44,983
Outer Diameter (mm):82,931
Width (mm):23,812
d:44,983 mm
D:82,931 mm
T:23,812 mm

Product Details

Bearing number4T-25584/25520
Size (mm)44.983x82.931x23.812
Bore Diameter (mm)44,983
Outer Diameter (mm)82,931
Width (mm)23,812
d44,983 mm
D82,931 mm
T23,812 mm
B25,4 mm
C19,05 mm
ra1 max.0,8 mm
a6,2 mm
Da74 mm
db51 mm
ra max.1,5 mm
da53 mm
Db77 mm
Weight0,555 Kg
Basic dynamic load rating (C)76 kN
Basic static load rating (C0)98 kN
(Grease) Lubrication Speed4 500 r/min
(Oil) Lubrication Speed6 000 r/min
Calculation factor (e)0,33
Calculation factor (Y0)0,99
d163 mm
e0.33
Y21.79
Y00.99
Mass0.56 kg
Dynamic load, C76 kN
Rating life coefficient, A21.4
Static load, C098 kN
Fatigue limit load, Cu12 kN
Nlim (oil)6,000 rpm
Nlim (grease)4,500 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.43 Hz
Characteristic rolling element frequency, BSF7.08 Hz
Characteristic outer ring frequency, BPF07.78 Hz
Characteristic inner ring frequency, BPFI10.22 Hz
ra max1.5 mm
r1a max0.8 mm
CategoryRoller Bearings
Inventory0.0
Minimum Buy QuantityN/A
Product GroupB04336
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Phone +65 6795 7418
Fax +65 6795 7418
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