SNR EX312 deep groove ball bearings
SNR EX312 deep groove ball bearings, 30 mm d Units and Housings CAD models , 72 mm D Manufacturing Service . Get Your Free. 19 mm B
| d | 30 mm |
| D | 72 mm |
| B | 19 mm |
| C | 14 mm |
| T | 20.75 mm |
| d1 | 53 mm |
| a | 23.5 mm |
| rs min | 1.5 mm |
| r1s min | 1.5 mm |
| e | 0.83 |
| Y2 | 0.73 |
| Y0 | 0.4 |
| Mass | 0.4 kg |
| ISO 355 reference | T7FB030 |
| Dynamic load, C | 48.5 kN |
| Rating life coefficient, A2 | 1.9 |
| Static load, C0 | 51.5 kN |
| Fatigue limit load, Cu | 6.3 kN |
| Nlim (oil) | 6,700 rpm |
| Nlim (grease) | 5,000 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.53 Hz |
| Characteristic outer ring frequency, BPF0 | 6.34 Hz |
| Characteristic inner ring frequency, BPFI | 8.66 Hz |
| da max | 39 mm |
| db min | 38.5 mm |
| Da min | 55 mm |
| Da max | 63.5 mm |
| Db min | 68 mm |
| Ca min | 3 mm |
| Cb min | 6.5 mm |
| ra max | 1.5 mm |
| r1a max | 1.5 mm |
Detailed Parameters
parameter：
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