7220CTRDUMP3 NSK Super Precision Bearings
7220CTRDUMP3 NSK Super Precision Bearings manufacturer and global NACHI BEARINGS OF AMERICA CORP. supplier of reliable ball and roller ... 7220CTRDUMP3 NSK Super Precision Bearings Industries Products Manufacturing & 221 N/µm Static axial stiffness, preload class D Engineering and Agricultural Bearings designed to meet the unique requirements of our targeted industries.
| Brand Name: | NSK |
| Model Number: | 7220CTRDUMP3 |
| Static axial stiffness, preload class D: | 221 N/µm |
| Number of balls z: | 21 |
| Basic dynamic load rating C: | 11.7 kN |
| D2: | 57.12 mm |
| Fatigue load limit Pu: | 0.34 kN |
| Preload class B GB: | 140 N |
| Preload class C GC: | 280 N |
| r3,4 min.: | 0.3 mm |
| PDF |
7220CTRDUMP3 |
Product Details
| Static axial stiffness, preload class D | 221 N/µm |
| Number of balls z | 21 |
| Basic dynamic load rating C | 11.7 kN |
| D2 | 57.12 mm |
| Fatigue load limit Pu | 0.34 kN |
| Preload class B GB | 140 N |
| Preload class C GC | 280 N |
| r3,4 min. | 0.3 mm |
| Calculation factor f2A | 1 |
| d1 | 47.1 mm |
| rb max. | 0.3 mm |
| D | 62 mm |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Static axial stiffness, preload class A | 98 N/µm |
| Calculation factor fHC | 1.04 |
| Da max. | 58.8 mm |
| Basic static load rating C0 | 8 kN |
| Ball diameter Dw | 6.35 mm |
| Static axial stiffness, preload class B | 127 N/µm |
