skf K 52x57x12 Needle roller bearings-Needle roller and cage assemblies
| Brand Name |
skf |
| Model Number |
K 52x57x12 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
skf K 52x57x12 bearing Size Chart (mm/inches) |
|---|
| d | 40 mm |
| D | 62 mm |
| B | 12 mm |
| d1 | 47.6 mm |
| d2 | 45.9 mm |
| D1 | 54.4 mm |
| D2 | 57.7 mm |
| a | 18 mm |
| Contact angle α | 25 ° |
| rs min | 0.6 mm |
| r1s min | 0.3 mm |
| f0 | 16.1 |
| Precision class | P42 |
| Mass | 0.11 kg |
| Dynamic load, C | 13.7 kN |
| Static load, C0 | 11.2 kN |
| Nlim (oil) | 32,200 rpm |
| Nlim (grease) | 19,900 rpm |
| Preload level | GN |
| Preload value | 0.137 kN |
| Axial rigidity | 114.9 N/µm |
| Radial rigidity | 242.9 N/µm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.44 Hz |
| Characteristic rolling element frequency, BSF | 7.93 Hz |
| Characteristic outer ring frequency, BPF0 | 8.43 Hz |
| Characteristic inner ring frequency, BPFI | 10.57 Hz |
| da min | 44.5 mm |
| Da max | 57.5 mm |
| Db max | 59.5 mm |
| r1a max | 0.3 mm |
| ra max | 0.6 mm |
| D6 | 48.1 mm |