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Komatsu 561-89-67920 Protector
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Komatsu Protector
Komatsu 561-89-67920 Protector SPECIFICATIONS
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Distributor supplier for Komatsu2020-07-10 09:46:19
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Product Description
Komatsu 561-89-67920 Protector Size Chart (mm/inches) | |
|---|---|
| Bearing number | S71926 ACD/HCP4A |
| Size (mm) | 180x130x24 |
| Bore Diameter (mm) | 180 |
| Outer Diameter (mm) | 130 |
| Width (mm) | 24 |
| d | 130 mm |
| D | 180 mm |
| B | 24 mm |
| d1 | 145.4 mm |
| d2 | 145.4 mm |
| D2 | 168.25 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 0.6 mm |
| a | 48.3 mm |
| da - min. | 137 mm |
| da - max. | 144.8 mm |
| db - min. | 137 mm |
| db - max. | 144.8 mm |
| Da - max. | 173 mm |
| Db - max. | 176 mm |
| ra - max. | 1.5 mm |
| rb - max. | 0.6 mm |
| Basic dynamic load rating - C | 87.1 kN |
| Basic static load rating - C0 | 102 kN |
| Fatigue load limit - Pu | 3.4 kN |
| Limiting speed for grease lubrication | 7500 r/min |
| Ball - Dw | 15.875 mm |
| Ball - z | 27 |
| 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 | 540 N |
| Preload class B - GB | 1080 N |
| Preload class C - GC | 2160 N |
| Preload class D - GD | 4320 N |
| Calculation factor - f | 1.25 |
| Calculation factor - f1 | 0.98 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.07 |
| Calculation factor - f2C | 1.12 |
| Calculation factor - f2D | 1.17 |
| Calculation factor - fHC | 1.04 |
| Preload class A | 361 N/micron |
| Preload class B | 474 N/micron |
| Preload class C | 633 N/micron |
| Preload class D | 866 N/micron |
| d1 | 145.4 mm |
| d2 | 145.4 mm |
| D2 | 168.25 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 0.6 mm |
| da min. | 137 mm |
| da max. | 144.8 mm |
| db min. | 137 mm |
| db max. | 144.8 mm |
| Da max. | 173 mm |
| Db max. | 176 mm |
| ra max. | 1.5 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 87.1 kN |
| Basic static load rating C0 | 102 kN |
| Fatigue load limit Pu | 3.45 kN |
| Attainable speed for grease lubrication | 7500 r/min |
| Ball diameter Dw | 15.875 mm |
| Number of balls z | 27 |
| Preload class A GA | 540 N |
| Static axial stiffness, preload class A | 361 N/µm |
| Preload class B GB | 1080 N |
| Static axial stiffness, preload class B | 474 N/µm |
| Preload class C GC | 2160 N |
| Static axial stiffness, preload class C | 633 N/µm |
| Preload class D GD | 4320 N |
| Static axial stiffness, preload class D | 866 N/µm |
| Calculation factor f | 1.25 |
| Calculation factor f1 | 0.98 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.07 |
| Calculation factor f2C | 1.12 |
| Calculation factor f2D | 1.17 |
| Calculation factor fHC | 1.04 |
| 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 | 1.31 kg |
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