8CSR20S+[87-3000/1]/[87-3000/1]L[P,SP,UP] THK Cross-Rail Guide Block Set
Product Details
| d | 35 mm |
| D | 62 mm |
| B | 14 mm |
| d1 | 43.7 mm |
| d2 | 43.7 mm |
| D2 | 55.57 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.3 mm |
| a | 18.5 mm |
| da min. | 39.6 mm |
| da max. | 43.2 mm |
| db min. | 39.6 mm |
| db max. | 43.2 mm |
| Da max. | 57.4 mm |
| Db max. | 60 mm |
| ra max. | 1 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 14.8 kN |
| Basic static load rating C0 | 9 kN |
| Fatigue load limit Pu | 0.38 kN |
| Attainable speed for grease lubrication | 20000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 16 |
| Preload class A GA | 90 N |
| Static axial stiffness, preload class A | 86 N/µm |
| Preload class B GB | 180 N |
| Static axial stiffness, preload class B | 110 N/µm |
| Preload class C GC | 360 N |
| Static axial stiffness, preload class C | 144 N/µm |
| Preload class D GD | 720 N |
| Static axial stiffness, preload class D | 190 N/µm |
| Calculation factor f | 1.06 |
| 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 (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Mass bearing | 0.15 kg |
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