REXROTH 4WE 6 R6X/EG24N9K4/V R901108991 Directional spool valves
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| Brand Name: | REXROTH |
| Model Number: | 4WE 6 R6X/EG24N9K4/V |
| Bearing number: | 71972 ACDMA/P4A |
| Size (mm): | 480x360x56 |
| Bore Diameter (mm): | 480 |
| Outer Diameter (mm): | 360 |
| Width (mm): | 56 |
| d: | 360 mm |
| D: | 480 mm |
| B: | 56 mm |
Product Details
| Bearing number | 71972 ACDMA/P4A |
| Size (mm) | 480x360x56 |
| Bore Diameter (mm) | 480 |
| Outer Diameter (mm) | 360 |
| Width (mm) | 56 |
| d | 360 mm |
| D | 480 mm |
| B | 56 mm |
| d1 | 397 mm |
| d2 | 397 mm |
| D1 | 443 mm |
| r1,2 - min. | 3 mm |
| r3,4 - min. | 1.1 mm |
| a | 126.3 mm |
| da - min. | 373 mm |
| db - min. | 373 mm |
| Da - max. | 465 mm |
| Db - max. | 474 mm |
| ra - max. | 2.5 mm |
| rb - max. | 1 mm |
| dn | 407 mm |
| Basic dynamic load rating - C | 371 kN |
| Basic static load rating - C0 | 670 kN |
| Fatigue load limit - Pu | 13.7 kN |
| Limiting speed for grease lubrication | 1900 r/min |
| Limiting speed for oil lubrication | 3000 mm/min |
| Ball - Dw | 38.1 mm |
| Ball - z | 30 |
| Gref | 313 cm3 |
| Calculation factor - e | 0.68 |
| Calculation factor - Y2 | 1.41 |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - X2 | 0.67 |
| Calculation factor - Y1 | 0.92 |
| Preload class A - GA | 2300 N |
| Preload class B - GB | 4600 N |
| Preload class C - GC | 9200 N |
| Preload class D - GD | 18400 N |
| Calculation factor - f | 1.29 |
| Calculation factor - f1 | 0.98 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.04 |
| Calculation factor - f2C | 1.08 |
| Calculation factor - f2D | 1.14 |
| Calculation factor - fHC | 1 |
| Preload class A | 754 N/micron |
| Preload class B | 987 N/micron |
| Preload class C | 1311 N/micron |
| Preload class D | 1779 N/micron |
| r1,2 min. | 3 mm |
| r3,4 min. | 1.1 mm |
| da min. | 373 mm |
| db min. | 373 mm |
| Da max. | 465 mm |
| Db max. | 474 mm |
| ra max. | 2.5 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 371 kN |
| Basic static load rating C0 | 670 kN |
| Fatigue load limit Pu | 13.7 kN |
| Attainable speed for grease lubrication | 1900 r/min |
| Attainable speed for oil-air lubrication | 3000 r/min |
| Ball diameter Dw | 38.1 mm |
| Number of balls z | 30 |
| Reference grease quantity Gref | 313 cm³ |
| Preload class A GA | 2300 N |
| Static axial stiffness, preload class A | 754 N/µm |
| Preload class B GB | 4600 N |
| Static axial stiffness, preload class B | 987 N/µm |
| Preload class C GC | 9200 N |
| Static axial stiffness, preload class C | 1311 N/µm |
| Preload class D GD | 18400 N |
| Static axial stiffness, preload class D | 1779 N/µm |
| Calculation factor f | 1.29 |
| Calculation factor f1 | 0.98 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.04 |
| Calculation factor f2C | 1.08 |
| Calculation factor f2D | 1.14 |
| 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 | 26.7 kg |
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