Standard selection for metal-cased HDS seal designs
| Designs with metal | Shaft diameter | Bore diameter | Nominal seal | Difference between | ||||
| outside diameter | width | bore and shaft diameter | ||||||
| from | to | from | to | from | to | from | to | |
| - | mm/in. | mm/in. | mm/in. | mm/in. | ||||
| HDS7 | 165,10 | 1 606,55 | 196,85 | 1 638,30 | 15,88 | 31,75 | 31,75 | 63,50 |
| 6.500 | 63.250 | 7.750 | 64.500 | 0.625 | 1.250 | 1.250 | 2.500 | |
| HDSH7 | 165,10 | 1 606,55 | 196,85 | 1 638,30 | 19,99 | 31,75 | 31,75 | 76,20 |
| 6.500 | 63.250 | 7.750 | 64.500 | 0.787 | 1.250 | 1.250 | 2.500 | |
| HDS1-3, HDSF1-3 | 165,10 | 1 606,55 | 196,85 | 1 638,30 | 15,88 | 31,75 | 31,75 | 76,20 |
| 6.500 | 63.250 | 7.750 | 64.500 | 0.625 | 1.250 | 1.250 | 3.000 | |
| HDSH1-3 | 165,10 | 1 606,55 | 196,85 | 1 638,30 | 19,99 | 31,75 | 31,75 | 76,20 |
| 6.500 | 63.250 | 7.750 | 64.500 | 0.787 | 1.250 | 1.250 | 3.000 | |
| HDSA1-2, HDSB1-2, | 165,10 | 1 189,74 | 196,85 | 1 219,20 | 21,36 | 38,10 | 31,75 | 76,20 |
| HDSC1-2 | 6.500 | 46.840 | 7.750 | 48.000 | 0.841 | 1.500 | 1.250 | 3.000 |
| HDSD1-2, HDSE1-2, | 165,10 | 1 606,55 | 202,18 | 1 638,30 | 30,89 | 50,80 | 37,08 | 76,20 |
| HDSEF1-2 | 6.500 | 63.250 | 7.960 | 64.500 | 1.216 | 2.000 | 1.460 | 3.000 |
| HDSEH1-2 | 165,10 | 1 606,55 | 202,18 | 1 638,30 | 39,98 | 50,80 | 37,08 | 76,20 |
| 6.500 | 63.250 | 7.960 | 64.500 | 1.574 | 2.000 | 1.460 | 3.000 | |
| Designs with an | Shaft diameter | Bore diameter | Nominal | Difference between | ||||
| elastomer applied to | seal width | bore and shaft diameter | ||||||
| the outside diameter | ||||||||
| from | to | from | to | from | to | from | to | |
| - | mm/in. | mm/in. | mm/in. | mm/in. | ||||
| HDS7K | 165,10 | 1 606,55 | 201,62 | 1 643,08 | 15,88 | 31,75 | 36,52 | 76,20 |
| 6.500 | 63.250 | 7.938 | 64.688 | 0.625 | 1.250 | 1.438 | 3.000 | |
| HDSH7K | 165,10 | 1 606,55 | 201,62 | 1 643,08 | 19,99 | 31,75 | 36,52 | 76,20 |
| 6.500 | 63.250 | 7.938 | 64.688 | 0.787 | 1.250 | 1.438 | 3.000 | |
| HDS1-3, HDSF1-3K | 165,10 | 1 606,55 | 201,62 | 1 643,08 | 15,88 | 31,75 | 36,52 | 76,20 |
| 6.500 | 63.250 | 7.938 | 64.688 | 0.625 | 1.250 | 1.438 | 3.000 | |
| HDSH1-3K | 165,10 | 1 606,55 | 201,62 | 1 643,08 | 19,99 | 31,75 | 36,52 | 76,20 |
| 6.500 | 63.250 | 7.938 | 64.688 | 0.787 | 1.250 | 1.438 | 3.000 | |
| HDSA1-2K, HDSB1-2K, | 165,10 | 1 606,55 | 201,62 | 1 643,08 | 15,88 | 31,75 | 36,52 | 76,20 |
| HDSC1-2K | 6.500 | 63.250 | 7.938 | 64.688 | 0.625 | 1.250 | 1.438 | 3.000 |
Not all cross sections and widths are possible with every shaft diameter. Contact SKF for availabilty.
On dimensions at the extreme limits or for sizes outside the standard range.
