NTN TMB305X77 deep groove ball bearings

The online NTN TMB305X77 deep groove ball bearings parts store gives you immediate 280x500x130 Size (mm) access to a selection of more than 500 Outer Diameter (mm) 1.4 million new, used, remanufactured. 280 Bore Diameter (mm)
Size (mm) | 280x500x130 |
Bore Diameter (mm) | 280 |
Outer Diameter (mm) | 500 |
Width (mm) | 130 |
d | 280 mm |
D | 500 mm |
B | 130 mm |
C | 130 mm |
r min. | 5 mm |
da min. | 302 mm |
Da max. | 478 mm |
ra max. | 4 mm |
Weight | 110 Kg |
Basic dynamic load rating (C) | 2 310 kN |
Basic static load rating (C0) | 3 800 kN |
(Grease) Lubrication Speed | 770 r/min |
(Oil) Lubrication Speed | 1 000 r/min |
Calculation factor (e) | 0,26 |
Calculation factor (Y0) | 2,51 |
Calculation factor (Y1) | 2,57 |
d2 | 355 mm |
D1 | 434 mm |
rs min | 5 mm |
Number of lubrication holes | 8 |
b | 20 mm |
k | 12 mm |
Associated sleeve reference | H3156 |
e | 0.26 |
Y1 | 2.57 |
Y2 | 3.83 |
Y0 | 2.51 |
Radial clearance class | CN |
Dynamic load, C | 2,310 kN |
Static load, C0 | 3,800 kN |
Fatigue limit load, Cu | 309 kN |
Nref | 1,000 rpm |
Nlim | 1,200 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 | 7.28 Hz |
Characteristic outer ring frequency, BPF0 | 8.67 Hz |
Characteristic inner ring frequency, BPFI | 11.33 Hz |
da min | 300 mm |
db min | 296 mm |
Ce min | 28 mm |
Da max | 480 mm |
ra max | 4 mm |
Detailed Parameters
parameter:
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