Timken Fafnir 309KZZ2
Product Details
| Bearing number | K70X78X23 |
| Bore Diameter (mm) | 70,000 |
| Outer Diameter (mm) | 78,000 |
| Fw | 70,000 mm |
| Ew | 78,000 mm |
| Bc | 22,800 mm |
| Dw | 4 mm |
| Lw | 17.8 mm |
| Mass | 0.11 kg |
| Cr | 49.5 kN |
| C0r | 103 kN |
| Nlim (grease) | 3,700 rpm |
| Nlim (oil) | 5,500 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 | 18.45 Hz |
| Characteristic outer ring frequency, BPF0 | 17.03 Hz |
| Characteristic inner ring frequency, BPFI | 18.97 Hz |
| b | 23 mm |
