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 |