KOYO K25X35X23,7H needle roller bearings
Request 121,442 Outer Diameter (mm) A 76.2×121.442×24.608 Size (mm) Quote For 76,2 Bore Diameter (mm) Your Special KOYO K25X35X23,7H needle roller bearings Needs Today! Free Quotes. ISO 9001 certified.
| Size (mm) | 76.2×121.442×24.608 |
| Bore Diameter (mm) | 76,2 |
| Outer Diameter (mm) | 121,442 |
| Width (mm) | 24,608 |
| d | 76,2 mm |
| D | 121,442 mm |
| T | 24,608 mm |
| B | 23,012 mm |
| C | 17,462 mm |
| ra1 max. | 2 mm |
| a – | 1,2 mm |
| Da | 110 mm |
| db | 84 mm |
| ra max. | 3,5 mm |
| da | 90 mm |
| Db | 116 mm |
| Weight | 0,943 Kg |
| Basic dynamic load rating (C) | 91 kN |
| Basic static load rating (C0) | 127 kN |
| (Grease) Lubrication Speed | 2 900 r/min |
| (Oil) Lubrication Speed | 3 800 r/min |
| Calculation factor (e) | 0,45 |
| Calculation factor (Y0) | 0,73 |
| d1 | 98.5 mm |
| a | 25.81 mm |
| e | 0.45 |
| Y2 | 1.33 |
| Y0 | 0.73 |
| Mass | 0.94 kg |
| Dynamic load, C | 91 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 127 kN |
| Fatigue limit load, Cu | 15.5 kN |
| Nlim (oil) | 3,800 rpm |
| Nlim (grease) | 2,900 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.45 Hz |
| Characteristic rolling element frequency, BSF | 9.37 Hz |
| Characteristic outer ring frequency, BPF0 | 10.79 Hz |
| Characteristic inner ring frequency, BPFI | 13.21 Hz |
| ra max | 3.5 mm |
| r1a max | 2 mm |
| Inventory | 0.0 |
| Manufacturer Name | NTN |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.968 |
| Product Group | B04334 |
Detailed Parameters
parameter：
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