Bearing F691 NSK F691 NSK bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7014 CB/HCP4A |
| Size (mm) | 110x70x20 |
| Bore Diameter (mm) | 110 |
| Outer Diameter (mm) | 70 |
| Width (mm) | 20 |
| d | 70 mm |
| D | 110 mm |
| B | 20 mm |
| d1 | 85 mm |
| d2 | 83.2 mm |
| D2 | 97.8 mm |
| r1,2 - min. | 1.1 mm |
| r3,4 - min. | 0.6 mm |
| a | 22.2 mm |
| da - min. | 76 mm |
| db - min. | 76 mm |
| Da - max. | 104 mm |
| Db - max. | 106.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 86.1 mm |
| Basic dynamic load rating - C | 19 kN |
| Basic static load rating - C0 | 16.3 kN |
| Fatigue load limit - Pu | 0.695 kN |
| Limiting speed for grease lubrication | 19000 r/min |
| Limiting speed for oil lubrication | 30000 mm/min |
| Ball - Dw | 7.938 mm |
| Ball - z | 28 |
| Gref | 7.27 cm3 |
| Calculation factor - f0 | 9.6 |
| Preload class A - GA | 64 N |
| Preload class B - GB | 130 N |
| Preload class C - GC | 390 N |
| Calculation factor - f | 1.07 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 53 N/micron |
| Preload class B | 70 N/micron |
| Preload class C | 110 N/micron |
| d1 | 85 mm |
| d2 | 83.2 mm |
| D2 | 97.8 mm |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 76 mm |
| db min. | 76 mm |
| Da max. | 104 mm |
| Db max. | 106.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 86.1 mm |
| Basic dynamic load rating C | 26 kN |
| Basic static load rating C0 | 28 kN |
| Fatigue load limit Pu | 0.695 kN |
| Attainable speed for grease lubrication | 19000 r/min |
| Attainable speed for oil-air lubrication | 30000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 28 |
| Reference grease quantity Gref | 7.27 cm³ |
| Preload class A GA | 64 N |
| Static axial stiffness, preload class A | 53 N/µm |
| Preload class B GB | 130 N |
| Static axial stiffness, preload class B | 70 N/µm |
| Preload class C GC | 390 N |
| Static axial stiffness, preload class C | 110 N/µm |
| Calculation factor f | 1.07 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 9.6 |
| Mass bearing | 0.63 kg |