SKF NU 2888 ECMA thrust ball bearings
SKF NU 2888 ECMA thrust ball bearings Warehouse offers car parts and car accessories. We sell discount online as 90x55x18 Size (mm) well as cheap machinery parts.
| Size (mm) | 90x55x18 |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 55 |
| Width (mm) | 18 |
| d | 55 mm |
| D | 90 mm |
| B | 18 mm |
| d1 | 65.8 mm |
| d2 | 65.8 mm |
| D1 | 79.2 mm |
| b | 2.4 mm |
| C1 | 9 mm |
| C2 | 4.3 mm |
| C3 | 3.8 mm |
| r1,2 – min. | 1.1 mm |
| r3,4 – min. | 0.6 mm |
| a | 26 mm |
| da – min. | 61 mm |
| db – min. | 61 mm |
| Da – max. | 84 mm |
| Db – max. | 86.8 mm |
| ra – max. | 1 mm |
| rb – max. | 0.6 mm |
| dn | 68.1 mm |
| Basic dynamic load rating – C | 37.1 kN |
| Basic static load rating – C0 | 31 kN |
| Fatigue load limit – Pu | 1.3 kN |
| Limiting speed for grease lubrication | 14000 r/min |
| Limiting speed for oil lubrication | 22000 mm/min |
| Ball – Dw | 11.112 mm |
| Ball – z | 18 |
| Gref | 5.1 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 | 230 N |
| Preload class B – GB | 460 N |
| Preload class C – GC | 920 N |
| Preload class D – GD | 1840 N |
| Calculation factor – f | 1.1 |
| Calculation factor – f1 | 0.99 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.02 |
| Calculation factor – f2C | 1.05 |
| Calculation factor – f2D | 1.08 |
| Calculation factor – fHC | 1 |
| Preload class A | 159 N/micron |
| Preload class B | 207 N/micron |
| Preload class C | 275 N/micron |
| Preload class D | 372 N/micron |
| r1,2 min. | 1.1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 61 mm |
| db min. | 61 mm |
| Da max. | 84 mm |
| Db max. | 86.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 37.1 kN |
| Basic static load rating C0 | 31 kN |
| Fatigue load limit Pu | 1.32 kN |
| Attainable speed for grease lubrication | 14000 r/min |
| Attainable speed for oil-air lubrication | 22000 r/min |
| Ball diameter Dw | 11.112 mm |
| Number of balls z | 18 |
| Reference grease quantity Gref | 5.1 cm³ |
| Preload class A GA | 230 N |
| Static axial stiffness, preload class A | 159 N/µm |
| Preload class B GB | 460 N |
| Static axial stiffness, preload class B | 207 N/µm |
| Preload class C GC | 920 N |
| Static axial stiffness, preload class C | 275 N/µm |
| Preload class D GD | 1840 N |
| Static axial stiffness, preload class D | 372 N/µm |
| Calculation factor f | 1.1 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.08 |
| 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 | 0.38 kg |
Detailed Parameters
parameter：
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