60/75 KOYO Single-row deep groove ball bearings
| Brand Name: | KOYO |
| Model Number: | 60/75 |
| Bearing number: | 4T-66589/66520 |
| Size (mm): | 59.972x122.238x33.338 |
| Bore Diameter (mm): | 59,972 |
| Outer Diameter (mm): | 122,238 |
| Width (mm): | 33,338 |
| d: | 59,972 mm |
| D: | 122,238 mm |
| T: | 33,338 mm |
Product Details
| Bearing number | 4T-66589/66520 |
| Size (mm) | 59.972x122.238x33.338 |
| Bore Diameter (mm) | 59,972 |
| Outer Diameter (mm) | 122,238 |
| Width (mm) | 33,338 |
| d | 59,972 mm |
| D | 122,238 mm |
| T | 33,338 mm |
| B | 31,75 mm |
| C | 23,812 mm |
| ra1 max. | 3,3 mm |
| a - | 1,8 mm |
| Da | 105 mm |
| db | 73 mm |
| ra max. | 0,8 mm |
| da | 74 mm |
| Db | 116 mm |
| Weight | 1,66 Kg |
| Basic dynamic load rating (C) | 134 kN |
| Basic static load rating (C0) | 163 kN |
| (Grease) Lubrication Speed | 3 100 r/min |
| (Oil) Lubrication Speed | 4 200 r/min |
| Calculation factor (e) | 0,67 |
| Calculation factor (Y0) | 0,5 |
| d1 | 92 mm |
| a | 35.14 mm |
| e | 0.67 |
| Y2 | 0.9 |
| Y0 | 0.5 |
| Mass | 1.66 kg |
| Dynamic load, C | 134 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 163 kN |
| Fatigue limit load, Cu | 19.9 kN |
| Nlim (oil) | 4,200 rpm |
| Nlim (grease) | 3,100 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.12 Hz |
| Characteristic outer ring frequency, BPF0 | 7.26 Hz |
| Characteristic inner ring frequency, BPFI | 9.74 Hz |
| ra max | 0.8 mm |
| r1a max | 3.3 mm |
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