4 mm x 9 mm x 4 mm HSR20LA1QZ(GK) Linear Guide Block With Lubricator 63x90x30mm
| Brand Name |
SKF |
| Model Number |
638/4-2Z |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
SKF 638/4-2Z bearing Size Chart (mm/inches) |
|---|
| Bearing number | 331445 |
| Size (mm) | 590.55x415.925x209.55 |
| Bore Diameter (mm) | 590,55 |
| Outer Diameter (mm) | 415,925 |
| Width (mm) | 209,55 |
| d | 415.925 mm |
| D | 590.55 mm |
| T | 209.55 mm |
| B | 209.55 mm |
| r1,2 - min. | 3.3 mm |
| r3,4 - min. | 6.4 mm |
| Basic dynamic load rating - C | 3910 kN |
| Basic static load rating - C0 | 9650 kN |
| Fatigue load limit - Pu | 735 kN |
| Comparative radial load rating - CF | 965 kN |
| Comparative axial load rating - CFa | 313 kN |
| Thrust factor - K | 1.76 |
| Calculation factor - e | 0.33 |
| Calculation factor - Y1 | 2 |
| Calculation factor - Y2 | 3 |
| Calculation factor - Y0 | 2 |
| Mass bearing | 192 kg |
| Design variant/feature | TDI/GWIY2 |
| d1 ≈ | 454 mm |
| D1 ≈ | 523 mm |
| r1,2 min. | 3.3 mm |
| r3,4 min. | 6.4 mm |
| Basic dynamic load rating C | 4175 kN |
| Basic static load rating C0 | 9650 kN |
| Fatigue load limit Pu | 720 kN |
| Calculation factor e | 0.33 |
| Calculation factor Y1 | 2 |
| Calculation factor Y2 | 3 |
| Calculation factor Y0 | 2 |
| Comparative radial load rating CF | 1040 kN |
| Comparative axial load rating CFa | 332 kN |
| Thrust factor K | 1.76 |