d |
Details
Technical specification DIMENSIONS d | | 45 mm |
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D | | 68 mm |
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B | | 12 mm |
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d1 | | 52.7 mm |
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d2 | | 51 mm |
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D1 | | 60.3 mm |
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r1,2 | | min. 0.6 mm |
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r3,4 | | min. 0.3 mm |
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a | | 14 mm |
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ABUTMENT DIMENSIONS da | | min. 48.2 mm |
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db | | min. 47 mm |
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Da | | max. 64.8 mm |
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Db | | max. 66 mm |
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ra | | max. 0.6 mm |
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rb | | max. 0.3 mm |
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dn | | 54.2 mm |
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CALCULATION DATA Basic dynamic load rating | C | 10.1 kN |
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Basic static load rating | C0 | 6.95 kN |
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Fatigue load limit | Pu | 0.29 kN |
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Attainable speed for grease lubrication | | 29000 r/min |
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Attainable speed for oil-air lubrication | | 44000 r/min |
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Contact angle | ? | 15 ° |
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Ball diameter | Dw | 6.35 mm |
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Number of balls | z | 21 |
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Reference grease quantity | Gref | 1.5 cm³ |
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PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class A | GA | 55 N |
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Static axial stiffness, preload class A | | 34 N/µm |
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Preload class B | GB | 166 N |
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Static axial stiffness, preload class B | | 53 N/µm |
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Preload class C | GC | 331 N |
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Static axial stiffness, preload class C | | 73 N/µm |
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CALCULATION FACTORSCalculation factor | f | 1.09 |
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Calculation factor | f1 | 1 |
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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 |
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Calculation factor | f0 | 8.4 |
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