NSK 6828VV deep groove ball bearings
170 Million used NSK 6828VV deep groove ball bearings 72 Bore Diameter (mm) instantly searchable. Shop our large selection of parts based on brand, 72x50x12 Size (mm) price, description, and location. Order the with stock …
| Size (mm) | 72x50x12 |
| Bore Diameter (mm) | 72 |
| Outer Diameter (mm) | 50 |
| Width (mm) | 12 |
| d | 50 mm |
| D | 72 mm |
| B | 12 mm |
| d1 | 57.95 mm |
| d2 | 56.9 mm |
| D2 | 66.04 mm |
| r1,2 – min. | 0.6 mm |
| r3,4 – min. | 0.3 mm |
| a | 23.2 mm |
| da – min. | 53.2 mm |
| db – min. | 53.2 mm |
| Da – max. | 68.8 mm |
| Db – max. | 70 mm |
| ra – max. | 0.6 mm |
| rb – max. | 0.3 mm |
| dn | 58.7 mm |
| Basic dynamic load rating – C | 7.3 kN |
| Basic static load rating – C0 | 5.8 kN |
| Fatigue load limit – Pu | 0.25 kN |
| Limiting speed for grease lubrication | 22000 r/min |
| Limiting speed for oil lubrication | 36000 mm/min |
| Ball – Dw | 4.762 mm |
| Ball – z | 29 |
| Gref | 1.89 cm3 |
| Calculation factor – e | 0.68 |
| Calculation factor – Y2 | 1.41 |
| Calculation factor – Y0 | 0.76 |
| Calculation factor – X2 | 0.67 |
| Calculation factor – Y1 | 0.92 |
| Preload class A – GA | 43 N |
| Preload class B – GB | 86 N |
| Preload class C – GC | 260 N |
| Calculation factor – f | 1.09 |
| Calculation factor – f1 | 0.99 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.02 |
| Calculation factor – f2C | 1.07 |
| Calculation factor – fHC | 1 |
| Preload class A | 79 N/micron |
| Preload class B | 102 N/micron |
| Preload class C | 155 N/micron |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| da min. | 53.2 mm |
| db min. | 53.2 mm |
| Da max. | 68.8 mm |
| Db max. | 70 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 9.75 kN |
| Basic static load rating C0 | 9.65 kN |
| Fatigue load limit Pu | 0.25 kN |
| Attainable speed for grease lubrication | 22000 r/min |
| Attainable speed for oil-air lubrication | 36000 r/min |
| Ball diameter Dw | 4.762 mm |
| Number of balls z | 29 |
| Reference grease quantity Gref | 1.89 cm³ |
| Preload class A GA | 43 N |
| Static axial stiffness, preload class A | 79 N/µm |
| Preload class B GB | 86 N |
| Static axial stiffness, preload class B | 102 N/µm |
| Preload class C GC | 260 N |
| Static axial stiffness, preload class C | 155 N/µm |
| Calculation factor f | 1.09 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.07 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.13 kg |
Detailed Parameters
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