Bearing NK40/20-TV INA NK40/20-TV INA bearing Size Chart (mm/inches) |
|---|
| d | 60 mm |
| D | 82 mm |
| C | 25 mm |
| F | 68 mm |
| rs min | 1 mm |
| s max | 1 mm |
| Dw | 4 mm |
| Lw | 17.8 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k | 3.5 mm |
| Inner ring reference | 1R60X68X25 |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.39 kg |
| Cr | 44.5 kN |
| C0r | 89 kN |
| Nlim (grease) | 4,000 rpm |
| Nlim (oil) | 6,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.47 Hz |
| Characteristic rolling element frequency, BSF | 17.94 Hz |
| Characteristic outer ring frequency, BPF0 | 15.58 Hz |
| Characteristic inner ring frequency, BPFI | 17.42 Hz |
| da min | 65 mm |
| Da max | 77 mm |
| ras max | 0.6 mm |