Rod-Piston seal K21 63x73x7,5 PU
Rod-Piston seal K21 63x73x7,5 PU
- Code: K21-063/8 PU
- In Stock: 14 pcs.
Updated: 19.02.2026 19:47
| Hydraulic seals dimension | |
| Rod diameter d (mm) | 63 |
| Groove Diameter D (mm) | 73 |
| Seal width h (mm) | 7,5 |
| Details | |
| Seal type | K21 |
| Material type | PU |
- Brand: Kastas
- SKU: 24769
3.27€/pcs.
5 pcs. or more 2.73€/pcs.
10 pcs. or more 2.37€/pcs.
25 pcs. or more 2.10€/pcs.
50 pcs. or more 1.83€/pcs.
100 pcs. or more 1.47€/pcs.
Description
The K21 63x73x7.5 PU seal is a symmetrical U-cup used in hydraulic applications.
It can function as both a rod seal and a piston seal.
It is also commonly referred to as a U-cup seal.
Made of polyurethane PU 9201, it provides wear resistance and dimensional stability.
Technical details:
-
Inside diameter (d): 63 mm
-
Outside diameter (D): 73 mm
-
Height (H): 7.5 mm
-
Inch size: d x D x H = 63x73x7.5 mm ≈ 2.48”x2.87”x0.30”
-
Material: Polyurethane (PU 9201)
-
Seal type: symmetrical U-ring
-
Application: rod or piston sealing
Extras
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