NTN 4T-28985/28920 tapered roller bearings
What are the dimensions of a NTN 4T-28985/28920 tapered roller bearings? 180,000 Bore Diameter (mm) Manufacturing Service . Get Your Free, 180x300x118 Size (mm) Instant Quote!
Size (mm) | 180x300x118 |
Bore Diameter (mm) | 180,000 |
Outer Diameter (mm) | 300,000 |
Width (mm) | 118,000 |
d | 180,000 mm |
D | 300,000 mm |
H | 118,000 mm |
B | 118 mm |
d2 | 200.8 mm |
D1 | 260.4 mm |
rs min | 3 mm |
Number of lubrication holes | 3 |
b | 14.1 mm |
k | 6 mm |
e | 0.38 |
Y1 | 1.78 |
Y2 | 2.66 |
Y0 | 1.74 |
Radial clearance class | CN |
Mass | 33.9 kg |
Dynamic load, C | 1,550 kN |
Static load, C0 | 2,050 kN |
Fatigue limit load, Cu | 123 kN |
Nref | 1,200 rpm |
Nlim | 1,700 rpm |
Min operating temperature, Tmin | -40 °C |
Max operating temperature, Tmax | 200 °C |
Characteristic cage frequency, FTF | 0.43 Hz |
Characteristic rolling element frequency, BSF | 7.14 Hz |
Characteristic outer ring frequency, BPF0 | 8.67 Hz |
Characteristic inner ring frequency, BPFI | 11.33 Hz |
da min | 194 mm |
Da max | 286 mm |
ra max | 2.5 mm |
Detailed Parameters
parameter:
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