Bearing 6311 NTN-SNR 6311 NTN-SNR bearing Size Chart (mm/inches) |
|---|
| Bearing number | 4T-842/832 |
| Size (mm) | 82.55x168.275x53.975 |
| Bore Diameter (mm) | 82,55 |
| Outer Diameter (mm) | 168,275 |
| Width (mm) | 53,975 |
| d | 82,55 mm |
| D | 168,275 mm |
| T | 53,975 mm |
| B | 56,363 mm |
| C | 41,275 mm |
| ra1 max. | 3,3 mm |
| a | 18,5 mm |
| Da | 149 mm |
| db | 94 mm |
| ra max. | 3,5 mm |
| da | 101 mm |
| Db | 155 mm |
| Weight | 5,46 Kg |
| Basic dynamic load rating (C) | 340 kN |
| Basic static load rating (C0) | 460 kN |
| (Grease) Lubrication Speed | 2 200 r/min |
| (Oil) Lubrication Speed | 3 000 r/min |
| Calculation factor (e) | 0,3 |
| Calculation factor (Y0) | 1,1 |
| d1 | 123 mm |
| e | 0.3 |
| Y2 | 2 |
| Y0 | 1.1 |
| Mass | 5.46 kg |
| Dynamic load, C | 340 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 460 kN |
| Fatigue limit load, Cu | 52.3 kN |
| Nlim (oil) | 3,000 rpm |
| Nlim (grease) | 2,200 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.94 Hz |
| Characteristic outer ring frequency, BPF0 | 6.71 Hz |
| Characteristic inner ring frequency, BPFI | 9.29 Hz |
| ra max | 3.5 mm |
| r1a max | 3.3 mm |