| Bearing number |
4T-25590/25520 |
| Size (mm) |
45.618x82.931x23.812 |
| Bore Diameter (mm) |
45,618 |
| Outer Diameter (mm) |
82,931 |
| Width (mm) |
23,812 |
| d |
45,618 mm |
| D |
82,931 mm |
| T |
23,812 mm |
| B |
25,4 mm |
| C |
19,05 mm |
| ra1 max. |
0,8 mm |
| a |
6,2 mm |
| Da |
74 mm |
| db |
51 mm |
| ra max. |
3,5 mm |
| da |
58 mm |
| Db |
77 mm |
| Weight |
0,543 Kg |
| Basic dynamic load rating (C) |
76 kN |
| Basic static load rating (C0) |
98 kN |
| (Grease) Lubrication Speed |
4 500 r/min |
| (Oil) Lubrication Speed |
6 000 r/min |
| Calculation factor (e) |
0,33 |
| Calculation factor (Y0) |
0,99 |
| d1 |
63 mm |
| e |
0.33 |
| Y2 |
1.79 |
| Y0 |
0.99 |
| Mass |
0.54 kg |
| Dynamic load, C |
76 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
98 kN |
| Fatigue limit load, Cu |
12 kN |
| Nlim (oil) |
6,000 rpm |
| Nlim (grease) |
4,500 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 |
7.08 Hz |
| Characteristic outer ring frequency, BPF0 |
7.78 Hz |
| Characteristic inner ring frequency, BPFI |
10.22 Hz |
| ra max |
3.5 mm |
| r1a max |
0.8 mm |