NU28/9 NSK Tapered Roller Bearings Double-row
Brand Name: | NSK |
Model Number: | NU28/9 |
Bearing number: | 6705 |
Size (mm): | 25x32x4 |
Bore Diameter (mm): | 25 |
Outer Diameter (mm): | 32 |
Width (mm): | 4 |
d: | 25 mm |
D: | 32 mm |
B: | 4 mm |
Product Details
Bearing number | 6705 |
Size (mm) | 25x32x4 |
Bore Diameter (mm) | 25 |
Outer Diameter (mm) | 32 |
Width (mm) | 4 |
d | 25 mm |
D | 32 mm |
B | 4 mm |
C | 4 mm |
r min. | 0,2 mm |
da min. | 26,6 mm |
da max | 27,3 mm |
Da max. | 30,4 mm |
ra max. | 0,2 mm |
Weight | 0,005 Kg |
Basic dynamic load rating (C) | 1,1 kN |
Basic static load rating (C0) | 0,84 kN |
(Grease) Lubrication Speed | 4 000 r/min |
(Oil) Lubrication Speed | 4 600 r/min |
d1 | 27.3 mm |
D1 | 30 mm |
rs min | 0.2 mm |
Radial clearance class | CN |
Mass | 0.06 kg |
Dynamic load, C | 1.1 kN |
Static load, C0 | 0.84 kN |
Fatigue limit load, Cu | 0 kN |
f0 | 15.8 |
Nlim (oil) | 4,600 rpm |
Nlim (grease) | 4,000 rpm |
Min operating temperature, Tmin | -20 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.47 Hz |
Characteristic rolling element frequency, BSF | 17.76 Hz |
Characteristic outer ring frequency, BPF0 | 9.91 Hz |
Characteristic inner ring frequency, BPFI | 11.09 Hz |
da min | 26.6 mm |
Da max | 30.4 mm |
ra max | 0.2 mm |