d |
Details
Technical specification DIMENSIONS d | | 17 mm |
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D | | 30 mm |
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B | | 7 mm |
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d1 | | 21.1 mm |
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d2 | | 20.1 mm |
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D1 | | 25.9 mm |
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r1,2 | | min. 0.3 mm |
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r3,4 | | min. 0.15 mm |
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a | | 9.6 mm |
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ABUTMENT DIMENSIONS da | | min. 19 mm |
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db | | min. 19 mm |
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Da | | max. 28 mm |
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Db | | max. 29.2 mm |
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ra | | max. 0.3 mm |
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rb | | max. 0.15 mm |
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dn | | 22 mm |
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CALCULATION DATA Basic dynamic load rating | C | 3.19 kN |
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Basic static load rating | C0 | 1.46 kN |
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Fatigue load limit | Pu | 0.063 kN |
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Attainable speed for grease lubrication | | 75000 r/min |
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Attainable speed for oil-air lubrication | | 115000 r/min |
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Contact angle | ? | 25 ° |
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Ball diameter | Dw | 3.969 mm |
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Number of balls | z | 13 |
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Reference grease quantity | Gref | 0.2 cm³ |
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PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class A | GA | 29 N |
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Static axial stiffness, preload class A | | 39 N/µm |
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Preload class B | GB | 87 N |
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Static axial stiffness, preload class B | | 61 N/µm |
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Preload class C | GC | 175 N |
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Static axial stiffness, preload class C | | 79 N/µm |
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CALCULATION FACTORSCalculation factor | f | 1.05 |
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Calculation factor | f1 | 0.98 |
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Calculation factor | f2A | 1 |
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Calculation factor | f2B | 1.04 |
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Calculation factor | f2C | 1.08 |
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Calculation factor | fHC | 1.01 |
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Calculation factor | e | 0.68 |
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Calculation factor (single, tandem) | Y2 | 0.87 |
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Calculation factor (single, tandem) | Y0 | 0.38 |
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Calculation factor (single, tandem) | X2 | 0.41 |
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Calculation factor (back-to-back, face-to-face) | Y1 | 0.92 |
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Calculation factor (back-to-back, face-to-face) | Y2 | 1.41 |
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Calculation factor (back-to-back, face-to-face) | Y0 | 0.76 |
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Calculation factor (back-to-back, face-to-face) | X2 | 0.67 |
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