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- S71921 ACD/P4A
S71921 ACD/P4A Bearing | Loyal
S71921 ACD/P4A PDF download| S71921 ACD/P4A interchange SKF S71921 ACD/P4A | |
| S71921 ACD/P4A cross reference SKF S71921 ACD/P4A | |
| S71921 ACD/P4A Equivalent bearing interchange guide： | |
| Price： | enquiry |
| Model Number： | S71921 ACD/P4A |
| D | 145 mm |
| d | 105 mm |
| B | 20 mm |
| a | 39.3 mm |
| Ball - z | 27 |
| Size (mm) | 145x105x20 |
| Width (mm) | 20 |
| Mass bearing | 0.85 kg |
| D2 | 135.65 mm |
| d2 | 117.3 mm |
| d1 | 117.3 mm |
| d2 | 117.3 mm |
| D2 | 135.65 mm |
| d1 | 117.3 mm |
| Bearing number | S71921 ACD/P4A |
| Preload class B | 346 N/micron |
| Preload class A | 263 N/micron |
| Preload class D | 633 N/micron |
| Preload class C | 463 N/micron |
| Number of balls z | 27 |
| rb max. | 0.6 mm |
| ra max. | 1 mm |
| Db max. | 141 mm |
| Da max. | 139 mm |
| db max. | 116.7 mm |
| db min. | 111 mm |
| da max. | 116.7 mm |
| Bore Diameter (mm) | 145 |
| da min. | 111 mm |
| Outer Diameter (mm) | 105 |
| da - max. | 116.7 mm |
| da - min. | 111 mm |
| Calculation factor e | 0.68 |
| Calculation factor f | 1.25 |
| db - max. | 116.7 mm |
| Db - max. | 141 mm |
| ra - max. | 1 mm |
| rb - max. | 0.6 mm |
| db - min. | 111 mm |
| r3,4 min. | 0.6 mm |
| r1,2 min. | 1.1 mm |
| Ball - Dw | 12.7 mm |
| Da - max. | 139 mm |
| r3,4 - min. | 0.6 mm |
| r1,2 - min. | 1.1 mm |
| Calculation factor - f | 1.25 |
| Calculation factor - e | 0.68 |
| Ball diameter Dw | 12.7 mm |
| Basic dynamic load rating C | 57.2 kN |
| Preload class A GA | 360 N |
| Basic dynamic load rating - C | 57.2 kN |
| Preload class B GB | 720 N |
| Preload class C GC | 1440 N |
| Preload class D GD | 2880 N |
| Preload class B - GB | 720 N |
| Preload class C - GC | 1440 N |
| Preload class A - GA | 360 N |
| Preload class D - GD | 2880 N |
| Calculation factor f1 | 0.98 |
| Fatigue load limit Pu | 2.5 kN |
| 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 - X2 | 0.67 |
| Calculation factor - Y1 | 0.92 |
| Calculation factor - Y2 | 1.41 |
| Fatigue load limit - Pu | 2.5 kN |
| Calculation factor - Y0 | 0.76 |
| Calculation factor - f1 | 0.98 |
| Calculation factor - fHC | 1 |
| Calculation factor - f2D | 1.14 |
| Calculation factor - f2C | 1.08 |
| Calculation factor - f2B | 1.04 |
| Calculation factor - f2A | 1 |
| Limiting speed for grease lubrication | 7500 r/min |
| Basic static load rating C0 | 65.5 kN |
| Static axial stiffness, preload class D | 633 N/µm |
| Attainable speed for grease lubrication | 7500 r/min |
| Static axial stiffness, preload class C | 463 N/µm |
| Static axial stiffness, preload class B | 346 N/µm |
| Static axial stiffness, preload class A | 263 N/µm |
| Basic static load rating - C0 | 65.5 kN |
| 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 |
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