NTN L45449/L45410 Roller Bearings - Leader Hydraulic Pump Co.,Limited.

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NTN L45449/L45410 Roller Bearings image

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NTN L45449/L45410 Roller Bearings Characteristics

Bearing number:4T-HM804849/HM804810
Size (mm):48.412x95.25x30.162
Bore Diameter (mm):48,412
Outer Diameter (mm):95,25
Width (mm):30,162
d:48,412 mm
D:95,25 mm
T:30,162 mm
B:29,37 mm
C:23,02 mm
ra1 max.:3,3 mm
a:3,7 mm
Da:81 mm
db:57 mm
ra max.:3,5 mm
da:66 mm
Db:91 mm
Weight:0,964 Kg
Basic dynamic load rating (C):109 kN
Basic static load rating (C0):147 kN
(Grease) Lubrication Speed:4 000 r/min
(Oil) Lubrication Speed:5 300 r/min
Calculation factor (e):0,55
Calculation factor (Y0):0,6
d1:73.5 mm
e:0.55
Y2:1.1
Y0:0.6
Mass:0.96 kg
Dynamic load, C:109 kN
Rating life coefficient, A2:1.4
Static load, C0:147 kN
Fatigue limit load, Cu:17.9 kN
Nlim (oil):5,300 rpm
Nlim (grease):4,000 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.43 Hz
Characteristic rolling element frequency, BSF:6.91 Hz
Characteristic outer ring frequency, BPF0:8.23 Hz
Characteristic inner ring frequency, BPFI:10.77 Hz
ra max:3.5 mm
r1a max:3.3 mm

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