koyo 6306 Size Chart (mm/inches) |
|---|
| Bearing number | S71924 CE/HCP4A |
| Size (mm) | 165x120x22 |
| Bore Diameter (mm) | 165 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 22 |
| d | 120 mm |
| D | 165 mm |
| B | 22 mm |
| d1 | 134 mm |
| d2 | 130.2 mm |
| D2 | 154.4 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 31 mm |
| da - min. | 126 mm |
| da - max. | 133.4 mm |
| db - min. | 123.2 mm |
| db - max. | 129.6 mm |
| Da - max. | 159 mm |
| Db - max. | 161.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| Basic dynamic load rating - C | 47.5 kN |
| Basic static load rating - C0 | 40.5 kN |
| Fatigue load limit - Pu | 1.4 kN |
| Limiting speed for grease lubrication | 12700 r/min |
| Ball - Dw | 14.288 mm |
| Ball - z | 24 |
| Calculation factor - f0 | 8.5 |
| Preload class A - GA | 250 N |
| Preload class B - GB | 760 N |
| Preload class C - GC | 1530 N |
| Calculation factor - f | 1.18 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.05 |
| Calculation factor - f2C | 1.09 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 91 N/micron |
| Preload class B | 144 N/micron |
| Preload class C | 198 N/micron |
| d1 | 134 mm |
| d2 | 130.2 mm |
| D2 | 154.4 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 126 mm |
| da max. | 133.4 mm |
| db min. | 123.2 mm |
| db max. | 129.6 mm |
| Da max. | 159 mm |
| Db max. | 161.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 47.5 kN |
| Basic static load rating C0 | 40.5 kN |
| Fatigue load limit Pu | 1.4 kN |
| Attainable speed for grease lubrication | 12700 r/min |
| Ball diameter Dw | 14.288 mm |
| Number of balls z | 24 |
| Preload class A GA | 250 N |
| Static axial stiffness, preload class A | 91 N/µm |
| Preload class B GB | 760 N |
| Static axial stiffness, preload class B | 144 N/µm |
| Preload class C GC | 1530 N |
| Static axial stiffness, preload class C | 198 N/µm |
| Calculation factor f | 1.18 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.05 |
| Calculation factor f2C | 1.09 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 8.5 |
| Mass bearing | 0.96 kg |