KOYO 6554R/6520 tapered roller bearings

100% Authentic. KOYO 6554R/6520 tapered roller bearings 149,225 Outer Diameter (mm) Highest Quality. 73.025×149.225×53.975 Size (mm) Certified Supplier.
Size (mm) | 73.025×149.225×53.975 |
Bore Diameter (mm) | 73,025 |
Outer Diameter (mm) | 149,225 |
Width (mm) | 53,975 |
d | 73,025 mm |
D | 149,225 mm |
T | 53,975 mm |
B | 54,229 mm |
C | 44,45 mm |
ra1 max. | 3,3 mm |
a | 14,8 mm |
Da | 129 mm |
db | 87 mm |
ra max. | 3,5 mm |
da | 93 mm |
Db | 140 mm |
Weight | 4,42 Kg |
Basic dynamic load rating (C) | 287 kN |
Basic static load rating (C0) | 410 kN |
(Grease) Lubrication Speed | 2 500 r/min |
(Oil) Lubrication Speed | 3 400 r/min |
Calculation factor (e) | 0,36 |
Calculation factor (Y0) | 0,91 |
d1 | 111.5 mm |
e | 0.36 |
Y2 | 1.66 |
Y0 | 0.91 |
Mass | 4.42 kg |
Dynamic load, C | 287 kN |
Rating life coefficient, A2 | 1.4 |
Static load, C0 | 410 kN |
Fatigue limit load, Cu | 48.4 kN |
Nlim (oil) | 3,400 rpm |
Nlim (grease) | 2,500 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 | 6.39 Hz |
Characteristic outer ring frequency, BPF0 | 7.24 Hz |
Characteristic inner ring frequency, BPFI | 9.76 Hz |
ra max | 3.5 mm |
r1a max | 3.3 mm |
Inventory | 0.0 |
Manufacturer Name | NTN |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 4.421 |
Product Group | B04334 |
Detailed Parameters
parameter:
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