KOYO BHM1720A needle roller bearings
KOYO BHM1720A needle roller bearings Industries and Applications 26.988×57.15×17.462 Size (mm) ? We sell discount online 57,15 Outer Diameter (mm) as well as cheap machinery parts.
| Size (mm) | 26.988×57.15×17.462 |
| Bore Diameter (mm) | 26,988 |
| Outer Diameter (mm) | 57,15 |
| Width (mm) | 17,462 |
| d | 26,988 mm |
| D | 57,15 mm |
| T | 17,462 mm |
| B | 17,462 mm |
| C | 13,495 mm |
| a | 12.5 mm |
| rs min | 3.5 mm |
| r1s min | 1.5 mm |
| e | 0.35 |
| Y2 | 1.73 |
| Y0 | 0.95 |
| Mass | 0.2 kg |
| Dynamic load, C | 39.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 45.5 kN |
| Nlim (oil) | 8,900 rpm |
| Nlim (grease) | 6,700 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 | 6.17 Hz |
| Characteristic outer ring frequency, BPF0 | 7.19 Hz |
| Characteristic inner ring frequency, BPFI | 9.81 Hz |
| ra max | 3.5 mm |
| r1a max | 1.5 mm |
Detailed Parameters
parameter：
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