Contact with us NN3028K bearing Size Chart (mm/inches) |
|---|
| Bearing number | K89306 |
| Bore Diameter (mm) | 30,000 |
| Outer Diameter (mm) | 60,000 |
| d | 30,000 mm |
| D | 60,000 mm |
| Dw | 5,500 mm |
| Dc1 | 30 mm |
| Dc | 60 mm |
| Lw | 5.5 mm |
| Bearing ring (inner ring) WS | WS89306 |
| Bearing ring (outer ring) GS | GS89306 |
| Ea | 56.4 mm |
| Eb | 34 mm |
| Cage assembly mass | 0.05 kg |
| Ca | 54 kN |
| C0a | 166 kN |
| Nlim (grease) | 1,300 rpm |
| Nlim (oil) | 5,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.5 Hz |
| Characteristic rolling element frequency, BSF | 8.22 Hz |
| Characteristic outer ring frequency, BPF0 | 7 Hz |
| Characteristic inner ring frequency, BPFI | 7 Hz |