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Slewing ring tower crane crossed roller bearing for excavator parts
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- Rollway
Ncf2920cv
-
AMERICAN BEARING MFG.CORP.2020-07-10 09:46:19
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Slewing ring tower crane crossed roller bearing for excavator partsTechnology
Rollway Ncf2920cv bearing Size Chart (mm/inches) | |
---|---|
Bearing number | 4T-3382/3321 |
Size (mm) | 39.688x77.534x29.37 |
Bore Diameter (mm) | 39,688 |
Outer Diameter (mm) | 77,534 |
Width (mm) | 29,37 |
d | 39,688 mm |
D | 77,534 mm |
T | 29,37 mm |
B | 30,391 mm |
C | 23,812 mm |
ra1 max. | 3,3 mm |
a | 11,2 mm |
Da | 68 mm |
db | 45,5 mm |
ra max. | 3,5 mm |
da | 52 mm |
Db | 75 mm |
Weight | 0,669 Kg |
Basic dynamic load rating (C) | 95 kN |
Basic static load rating (C0) | 112 kN |
(Grease) Lubrication Speed | 4 800 r/min |
(Oil) Lubrication Speed | 6 400 r/min |
Calculation factor (e) | 0,27 |
Calculation factor (Y0) | 1,21 |
d1 | 58 mm |
e | 0.27 |
Y2 | 2.2 |
Y0 | 1.21 |
Mass | 0.67 kg |
Dynamic load, C | 95 kN |
Rating life coefficient, A2 | 1.4 |
Static load, C0 | 112 kN |
Fatigue limit load, Cu | 13.7 kN |
Nlim (oil) | 6,400 rpm |
Nlim (grease) | 4,800 rpm |
Min operating temperature, Tmin | -40 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.41 Hz |
Characteristic rolling element frequency, BSF | 5.32 Hz |
Characteristic outer ring frequency, BPF0 | 6.16 Hz |
Characteristic inner ring frequency, BPFI | 8.84 Hz |
ra max | 3.5 mm |
r1a max | 3.3 mm |
Slewing ring tower crane crossed roller bearing for excavator parts Cad Models
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- AMERICAN BEARING MFG.CORP.
- Address763 South Layton Road Anderson Indiana 4621, U.S.A.
- Phone(Working Time)1-334-321-3200
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