Bearing SI 50 ES ISB SI 50 ES ISB bearing Size Chart (mm/inches) |
|---|
| Bearing number | 1208 |
| Size (mm) | 40x80x18 |
| Bore Diameter (mm) | 40,000 |
| Outer Diameter (mm) | 80,000 |
| Width (mm) | 18,000 |
| d | 40,000 mm |
| D | 80,000 mm |
| B | 18,000 mm |
| C | 18,000 mm |
| d1 | 54 mm |
| D1 | 67.1 mm |
| rs min | 1.1 mm |
| e | 0.22 |
| Y1 | 2.87 |
| Y2 | 4.44 |
| Y0 | 3.01 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.42 kg |
| Dynamic load, C | 18.9 kN |
| Static load, C0 | 6.5 kN |
| Nref | 8,600 rpm |
| Nlim | 11,000 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.75 Hz |
| Characteristic outer ring frequency, BPF0 | 7.28 Hz |
| Characteristic inner ring frequency, BPFI | 9.72 Hz |
| da min | 46.5 mm |
| Da max | 73.5 mm |
| ra max | 1 mm |