5.512 Inch | 140 Millimeter x 8.268 Inch | 210 Millimeter x 1.299 Inch | 33 Millimeter NTN 7028HVUJ74A Precision Ball Bearings
| Brand Name |
NTN |
| Model Number |
7028HVUJ74A |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NTN 7028HVUJ74A bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7010 ACB/P4A |
| Size (mm) | 80x50x16 |
| Bore Diameter (mm) | 80 |
| Outer Diameter (mm) | 50 |
| Width (mm) | 16 |
| d | 50 mm |
| D | 80 mm |
| B | 16 mm |
| d1 | 61.44 mm |
| d2 | 59.65 mm |
| D2 | 70.7 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 0.6 mm |
| a | 23.2 mm |
| da - min. | 54.6 mm |
| db - min. | 54.6 mm |
| Da - max. | 75.4 mm |
| Db - max. | 76.8 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| dn | 61.8 mm |
| Basic dynamic load rating - C | 9.4 kN |
| Basic static load rating - C0 | 7.4 kN |
| Fatigue load limit - Pu | 0.31 kN |
| Limiting speed for grease lubrication | 22000 r/min |
| Limiting speed for oil lubrication | 32000 mm/min |
| Ball - Dw | 5.556 mm |
| Ball - z | 27 |
| Gref | 3.11 cm3 |
| Calculation factor - e | 0.68 |
| Calculation factor - Y2 | 0.87 |
| Calculation factor - Y0 | 0.38 |
| Calculation factor - X2 | 0.41 |
| Calculation factor - Y1 | 0.92 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - X2 | 0.67 |
| Preload class A - GA | 56 N |
| Preload class B - GB | 110 N |
| Preload class C - GC | 330 N |
| Calculation factor - f | 1.06 |
| Calculation factor - f1 | 0.99 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.01 |
| Calculation factor - f2C | 1.04 |
| Calculation factor - fHC | 1 |
| Preload class A | 87 N/micron |
| Preload class B | 110 N/micron |
| Preload class C | 165 N/micron |
| d1 | 61.44 mm |
| d2 | 59.65 mm |
| D2 | 70.7 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 54.6 mm |
| db min. | 54.6 mm |
| Da max. | 75.4 mm |
| Db max. | 76.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| dn | 61.8 mm |
| Basic dynamic load rating C | 12.5 kN |
| Basic static load rating C0 | 12.2 kN |
| Fatigue load limit Pu | 0.31 kN |
| Attainable speed for grease lubrication | 22000 r/min |
| Attainable speed for oil-air lubrication | 32000 r/min |
| Ball diameter Dw | 5.556 mm |
| Number of balls z | 27 |
| Reference grease quantity Gref | 3.11 cm³ |
| Preload class A GA | 56 N |
| Static axial stiffness, preload class A | 87 N/µm |
| Preload class B GB | 110 N |
| Static axial stiffness, preload class B | 110 N/µm |
| Preload class C GC | 330 N |
| Static axial stiffness, preload class C | 165 N/µm |
| Calculation factor f | 1.06 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.01 |
| Calculation factor f2C | 1.04 |
| 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 | 0.29 kg |