d |
Details
Technical specification DIMENSIONS d | | 25 mm |
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D | | 42 mm |
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B | | 9 mm |
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d1 | | 30.7 mm |
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d2 | | 29.4 mm |
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D1 | | 36.39 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 | | 9.2 mm |
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ABUTMENT DIMENSIONS da | | min. 27 mm |
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db | | min. 27 mm |
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Da | | max. 40 mm |
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Db | | max. 41.2 mm |
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ra | | max. 0.3 mm |
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rb | | max. 0.15 mm |
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dn | | 31.8 mm |
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CALCULATION DATA Basic dynamic load rating | C | 5.27 kN |
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Basic static load rating | C0 | 2.85 kN |
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Fatigue load limit | Pu | 0.12 kN |
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Attainable speed for grease lubrication | | 49000 r/min |
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Attainable speed for oil-air lubrication | | 75000 r/min |
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Contact angle | ? | 15 ° |
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Ball diameter | Dw | 4.762 mm |
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Number of balls | z | 16 |
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Reference grease quantity | Gref | 0.6 cm³ |
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PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)Preload class A | GA | 28 N |
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Static axial stiffness, preload class A | | 20 N/µm |
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Preload class B | GB | 85 N |
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Static axial stiffness, preload class B | | 32 N/µm |
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Preload class C | GC | 170 N |
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Static axial stiffness, preload class C | | 44 N/µm |
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CALCULATION FACTORSCalculation factor | f | 1.06 |
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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 | 8.1 |
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