SIGMA NJ2312 cylindrical roller bearings
are a few brands you 50 mm d will find in our inventory. Find SIGMA NJ2312 cylindrical roller bearings to see what’s in 16 mm B stock!
| d | 50 mm |
| D | 80 mm |
| B | 16 mm |
| d1 | 59.7 mm |
| d2 | 57.4 mm |
| D1 | 71.41 mm |
| D2 | 73.81 mm |
| a | 23 mm |
| Contact angle α | 25 ° |
| rs min | 1 mm |
| r1s min | 0.6 mm |
| f0 | 8.44 |
| Precision class | P4S |
| Mass | 0.26 kg |
| Dynamic load, C | 11.1 kN |
| Static load, C0 | 7.7 kN |
| Fatigue limit load, Cu | 0.46 kN |
| Nlim (grease) | 21,000 rpm |
| Axial displacement K Factor | 0.62 |
| Preload level | 8 |
| Preload value | 0.28 kN |
| Axial rigidity | 150 N/µm |
| Radial rigidity | 325 N/µm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.46 Hz |
| Characteristic rolling element frequency, BSF | 9.96 Hz |
| Characteristic outer ring frequency, BPF0 | 11.37 Hz |
| Characteristic inner ring frequency, BPFI | 13.63 Hz |
| da min | 55.5 mm |
| db min | 55.5 mm |
| Da max | 74.5 mm |
| Db max | 74.5 mm |
| r1a max | 0.6 mm |
| ra max | 1 mm |
| D6 | 61.9 mm |
Detailed Parameters
parameter：
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d1 78 mm D1 102.5 mm rs min 2 mm e 0.24 Y1 2.66 Y2 4.12 Y0 2.79 Radial clearance class CN Precision class P0 Mass 1.64 kg Dynamic load, C 51.3 kN Static load, C0 17.9 kN Nref 5.900 rpm Nlim 7.500 rpm Min operating temperature, Tmin -20 °C Max operating temperature, Tmax 120