| Bearing number | 71960 ACDMA/HCP4A |
| Size (mm) | 420x300x56 |
| Bore Diameter (mm) | 420 |
| Outer Diameter (mm) | 300 |
| Width (mm) | 56 |
| d | 300 mm |
| D | 420 mm |
| B | 56 mm |
| d1 | 337 mm |
| d2 | 337 mm |
| D1 | 383 mm |
| r1,2 - min. | 3 mm |
| r3,4 - min. | 1.1 mm |
| a | 112.3 mm |
| da - min. | 313 mm |
| db - min. | 313 mm |
| Da - max. | 405 mm |
| Db - max. | 414 mm |
| ra - max. | 2.5 mm |
| rb - max. | 1 mm |
| dn | 347 mm |
| Basic dynamic load rating - C | 351 kN |
| Basic static load rating - C0 | 560 kN |
| Fatigue load limit - Pu | 12.7 kN |
| Limiting speed for grease lubrication | 2600 r/min |
| Limiting speed for oil lubrication | 4000 mm/min |
| Ball - Dw | 38.1 mm |
| Ball - z | 26 |
| Gref | 265 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 | 2200 N |
| Preload class B - GB | 4400 N |
| Preload class C - GC | 8800 N |
| Preload class D - GD | 17600 N |
| Calculation factor - f | 1.22 |
| 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 | 736 N/micron |
| Preload class B | 961 N/micron |
| Preload class C | 1272 N/micron |
| Preload class D | 1718 N/micron |
| r1,2 min. | 3 mm |
| r3,4 min. | 1.1 mm |
| da min. | 313 mm |
| db min. | 313 mm |
| Da max. | 405 mm |
| Db max. | 414 mm |
| ra max. | 2.5 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 351 kN |
| Basic static load rating C0 | 560 kN |
| Fatigue load limit Pu | 12.7 kN |
| Attainable speed for grease lubrication | 2600 r/min |
| Attainable speed for oil-air lubrication | 4000 r/min |
| Ball diameter Dw | 38.1 mm |
| Number of balls z | 26 |
| Reference grease quantity Gref | 265 cm³ |
| Preload class A GA | 2200 N |
| Static axial stiffness, preload class A | 736 N/µm |
| Preload class B GB | 4400 N |
| Static axial stiffness, preload class B | 961 N/µm |
| Preload class C GC | 8800 N |
| Static axial stiffness, preload class C | 1272 N/µm |
| Preload class D GD | 17600 N |
| Static axial stiffness, preload class D | 1718 N/µm |
| Calculation factor f | 1.22 |
| 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 | 19.4 kg |
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