3211ATN9 BALL Bearing Size Chart (mm/inches) |
|---|
| Bearing number | 3209A |
| Size (mm) | 45x85x30.200 |
| Bore Diameter (mm) | 45,000 |
| Outer Diameter (mm) | 85,000 |
| Width (mm) | 30,200 |
| d | 45,000 mm |
| D | 85,000 mm |
| B | 30,200 mm |
| C | 30,200 mm |
| d1 | 57.2 mm |
| D1 | 72.6 mm |
| a | 43.2 mm |
| Contact angle α | 25 ° |
| rs min | 1.1 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.58 kg |
| Dynamic load, C | 45.7 kN |
| Static load, C0 | 37.2 kN |
| Fatigue limit load, Cu | 2.27 kN |
| f0 | 14.6 |
| Nref | 6,500 rpm |
| Nlim | 7,500 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.41 Hz |
| Characteristic rolling element frequency, BSF | 5.04 Hz |
| Characteristic outer ring frequency, BPF0 | 3.72 Hz |
| Characteristic inner ring frequency, BPFI | 5.28 Hz |
| da min | 51.5 mm |
| Da max | 78.5 mm |
| ra max | 1 mm |