| Bearing number | 4T-3979/3920 |
| Size (mm) | 57.15x112.712x30.162 |
| Bore Diameter (mm) | 57,15 |
| Outer Diameter (mm) | 112,712 |
| Width (mm) | 30,162 |
| d | 57,15 mm |
| D | 112,712 mm |
| T | 30,162 mm |
| B | 30,048 mm |
| C | 23,812 mm |
| ra1 max. | 3,3 mm |
| a | 4,5 mm |
| Da | 99 mm |
| db | 66 mm |
| ra max. | 3,5 mm |
| da | 72 mm |
| Db | 106 mm |
| Weight | 1,4 Kg |
| Basic dynamic load rating (C) | 119 kN |
| Basic static load rating (C0) | 174 kN |
| (Grease) Lubrication Speed | 3 200 r/min |
| (Oil) Lubrication Speed | 4 300 r/min |
| Calculation factor (e) | 0,4 |
| Calculation factor (Y0) | 0,82 |
| d1 | 88.5 mm |
| e | 0.4 |
| Y2 | 1.49 |
| Y0 | 0.82 |
| Mass | 1.4 kg |
| Dynamic load, C | 119 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 174 kN |
| Fatigue limit load, Cu | 21.2 kN |
| Nlim (oil) | 4,300 rpm |
| Nlim (grease) | 3,200 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 | 8.4 Hz |
| Characteristic outer ring frequency, BPF0 | 10.2 Hz |
| Characteristic inner ring frequency, BPFI | 12.8 Hz |
| ra max | 3.5 mm |
| r1a max | 3.3 mm |
