| Bearing number |
4T-47490/47420 |
| Size (mm) |
71.438x120x32.545 |
| Bore Diameter (mm) |
71,438 |
| Outer Diameter (mm) |
120 |
| Width (mm) |
32,545 |
| d |
71,438 mm |
| D |
120 mm |
| T |
32,545 mm |
| B |
32,545 mm |
| C |
26,195 mm |
| ra1 max. |
3,3 mm |
| a |
6,1 mm |
| Da |
107 mm |
| db |
79 mm |
| ra max. |
3,5 mm |
| da |
86 mm |
| Db |
114 mm |
| Weight |
1,42 Kg |
| Basic dynamic load rating (C) |
147 kN |
| Basic static load rating (C0) |
214 kN |
| (Grease) Lubrication Speed |
3 000 r/min |
| (Oil) Lubrication Speed |
4 000 r/min |
| Calculation factor (e) |
0,36 |
| Calculation factor (Y0) |
0,92 |
| d1 |
95 mm |
| e |
0.36 |
| Y2 |
1.67 |
| Y0 |
0.92 |
| Mass |
1.42 kg |
| Dynamic load, C |
147 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
214 kN |
| Fatigue limit load, Cu |
26.1 kN |
| Nlim (oil) |
4,000 rpm |
| Nlim (grease) |
3,000 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.44 Hz |
| Characteristic rolling element frequency, BSF |
8.04 Hz |
| Characteristic outer ring frequency, BPF0 |
9.69 Hz |
| Characteristic inner ring frequency, BPFI |
12.31 Hz |
| ra max |
3.5 mm |
| r1a max |
3.3 mm |