Timken 388A 384ED bearing Size Chart (mm/inches) |
|---|
| d | 10 mm |
| D | 22 mm |
| B | 6 mm |
| a min | 0.9 mm |
| a max | 1.05 mm |
| Ca min | 1.6 mm |
| Ca max | 1.75 mm |
| rs min | 0.3 mm |
| rNs min | 0.3 mm |
| D3 max | 20.8 mm |
| b min | 0.8 mm |
| b max | 1.05 mm |
| r0 max | 0.2 mm |
| D4 max | 24.8 mm |
| f | 0.7 mm |
| Snap ring reference | R22 |
| Radial clearance class | CN |
| Mass | 0.009 kg |
| Dynamic load, C | 2.7 kN |
| Static load, C0 | 1.27 kN |
| Fatigue limit load, Cu | 0.06 kN |
| f0 | 14 |
| Nlim (grease) | 21,000 rpm |
| Min operating temperature, Tmin | -25 °C |
| Max operating temperature, Tmax | 110 °C |
| Characteristic cage frequency, FTF | 0.4 Hz |
| Characteristic rolling element frequency, BSF | 4.84 Hz |
| Characteristic outer ring frequency, BPF0 | 3.61 Hz |
| Characteristic inner ring frequency, BPFI | 5.39 Hz |
| da min | 12 mm |
| da max | 13 mm |
| Da max | 20 mm |
| ra max | 0.3 mm |
| rNa max | 0.3 mm |
| Db min | 25.5 mm |