| Bearing number | 4T-1380/1328 |
| Size (mm) | 22.225x52.388x19.368 |
| Bore Diameter (mm) | 22,225 |
| Outer Diameter (mm) | 52,388 |
| Width (mm) | 19,368 |
| d | 22,225 mm |
| D | 52,388 mm |
| T | 19,368 mm |
| B | 20,168 mm |
| C | 14,288 mm |
| ra1 max. | 1,5 mm |
| a | 7,4 mm |
| Da | 45 mm |
| db | 27 mm |
| ra max. | 1,5 mm |
| da | 29,5 mm |
| Db | 48,5 mm |
| Weight | 0,2 Kg |
| Basic dynamic load rating (C) | 40,5 kN |
| Basic static load rating (C0) | 43 kN |
| (Grease) Lubrication Speed | 7 600 r/min |
| (Oil) Lubrication Speed | 10 000 r/min |
| Calculation factor (e) | 0,29 |
| Calculation factor (Y0) | 1,13 |
| d1 | 36.5 mm |
| e | 0.29 |
| Y2 | 2.05 |
| Y0 | 1.13 |
| Mass | 0.2 kg |
| Dynamic load, C | 40.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 43 kN |
| Fatigue limit load, Cu | 5.2 kN |
| Nlim (oil) | 10,000 rpm |
| Nlim (grease) | 7,600 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.4 Hz |
| Characteristic rolling element frequency, BSF | 4.97 Hz |
| Characteristic outer ring frequency, BPF0 | 5.67 Hz |
| Characteristic inner ring frequency, BPFI | 8.33 Hz |
| ra max | 1.5 mm |
| r1a max | 1.5 mm |
