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Rod seals

Rod seals

Rod seals are designed for use in hydraulic systems, specifically for sealing dynamic components such as the piston rod in hydraulic cylinders. They operate in dynamic sealing interfaces, where reciprocating motion and variable working conditions are present.

Due to exposure to friction, contaminants, and pressure fluctuations, rod seals are manufactured from wear-resistant materials capable of withstanding mechanical stress and contact with hydraulic media. Their construction allows them to adapt to continuous changes on the rod surface, maintaining reliable sealing performance throughout operation.

Proper selection of the seal profile and dimensions is essential to ensure sealing efficiency and service life. Depending on the design of the hydraulic cylinder and operating parameters, various rod seal types are available, including:

  • U-cup seals

  • PTFE seals (e.g., K35)

  • Profiles such as OMS-MR and TSS

  • Fabric-reinforced rubber seal sets (e.g., K01, K04, DT3)

A wide range of sizes allows compatibility with different cylinder types and application requirements.

Tip: Use the filter on the left to narrow your search and select the appropriate rod seal type.

Filter
Hydraulic seals dimension
Rod diameter d (mm)
Groove Diameter D (mm)
Seal width h (mm)
Details
Seal type
Manufacturers
Manufacturers
38
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37
32
17
12
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24
14
25
Photo Code Name Producer Stock
Rod seal 40x52x8 TTI PU TTI1617 Rod seal 40x52x8 TTI PU Italy request
Rod seal 40x55x10 A154 PU A154-040/1 PU Rod seal 40x55x10 A154 PU ALP 143
Rod seal 40x55x10 SDA PU 48005532 Rod seal 40x55x10 SDA PU Aston seals 35
Rod seal 40x55x9 A154 PU A154-040/10 PU Rod seal 40x55x9 A154 PU ALP 71
Rod seal 40x60x11,5 A154 PU A154-040/4 PU Rod seal 40x60x11,5 A154 PU ALP 55
Rod seal A120 40x52x22,5 A120-040 Rod seal A120 40x52x22,5 ALP 46
Rod seal A155 40x55x22,5 A155-040 Rod seal A155 40x55x22,5 ALP 23
Rod seal A156 40x48x6,5 A156-040/3 Rod seal A156 40x48x6,5 ALP 27
Rod seal A156 40x50x10 A156-040/5 Rod seal A156 40x50x10 ALP 95
Rod seal A156 40x50x10,5 A156-040 Rod seal A156 40x50x10,5 ALP 3
Rod seal A156 40x50x11 A156-040/2 Rod seal A156 40x50x11 ALP 49
Rod seal A156 40x50x8 A156-040/6 Rod seal A156 40x50x8 ALP 87
Rod seal FR200 40x50x7,2 FR200-040 PU Rod seal FR200 40x50x7,2 Kastas request
Rod seal K01 40x52x22,5 K01-040 Rod seal K01 40x52x22,5 Kastas 8
Rod seal K01 40x55x22,5 K01-040/1 Rod seal K01 40x55x22,5 Kastas 13
Rod seal K01 40x55x25 K01-040/2 Rod seal K01 40x55x25 Kastas 2
Rod seal K01 40x56x22,5 K01-040/3 Rod seal K01 40x56x22,5 Kastas 3
Rod seal K22 40x48x5,4 K22-040/7 PU Rod seal K22 40x48x5,4 Kastas 16
Rod seal K22 40x48x5,8 K22-040/9 PU Rod seal K22 40x48x5,8 Kastas 13
Rod seal K22 40x48x8 K22-040/6 PU Rod seal K22 40x48x8 Kastas 12
Rod seal K22 40x50x10 K22-040 PU Rod seal K22 40x50x10 Kastas 16
Rod seal K22 40x50x10 NBR K22-040 NBR Rod seal K22 40x50x10 NBR Kastas 6 weeks
Rod seal K22 40x50x6 NBR K22-040/5 NBR Rod seal K22 40x50x6 NBR Kastas 13
Rod seal K22 40x50x7 K22-040/2 PU Rod seal K22 40x50x7 Kastas 15
Rod seal K22 40x50x7 NBR K22-040/2 NBR Rod seal K22 40x50x7 NBR Kastas 19
Rod seal K22 40x50x7 PU9401 K22-040/2 PU S Rod seal K22 40x50x7 PU9401 Kastas 6 weeks
Rod seal K22 40x50x8 NBR K22-040/3 NBR Rod seal K22 40x50x8 NBR Kastas 6 weeks
Rod seal K22 40x50x8 PU K22-040/3 PU Rod seal K22 40x50x8 PU Kastas 6 weeks
Rod seal K29 40x50,7x4,2 K29-040/1 PU Rod seal K29 40x50,7x4,2 Kastas 5
Rod seal K29 40x55,5x6,3 K29-040 PU Rod seal K29 40x55,5x6,3 Kastas 13
Rod seal K31 40x50x7,3 K31-040/1 PU Rod seal K31 40x50x7,3 Kastas 33
Rod seal K31 40x55x11,4 K31-040/2 PU Rod seal K31 40x55x11,4 Kastas 12
Rod seal K31 40x55x9,5 K31-040 PU Rod seal K31 40x55x9,5 Kastas 24
Rod seal K32 40x48x8 K32-040/3 PU Rod seal K32 40x48x8 Kastas 40
Rod seal K32 40x50x10 K32-040 PU Rod seal K32 40x50x10 Kastas 10
Rod seal K32 40x52x10,9 K32-040/2 PU Rod seal K32 40x52x10,9 Kastas 11
Rod seal K32 40x52x12 K32-040/1 PU Rod seal K32 40x52x12 Kastas 32
Rod seal K32 40x52x9 K32-040/4 PU Rod seal K32 40x52x9 Kastas 20
Rod seal K33 40x48x5,7 K33-040/4 PU Rod seal K33 40x48x5,7 Kastas 14
Rod seal K33 40x48x6 K33-040/9 PU Rod seal K33 40x48x6 Kastas 13
Rod seal K33 40x50x10 K33-040 PU Rod seal K33 40x50x10 Kastas 23
Rod seal K33 40x50x6 K33-040/8 PU Rod seal K33 40x50x6 Kastas 12
Rod seal K33 40x50x7 K33-040/6 PU Rod seal K33 40x50x7 Kastas 14
Rod seal K33 40x50x7,3 K33-040/2 PU Rod seal K33 40x50x7,3 Kastas 24
Rod seal K33 40x50x8 K33-040/10 PU Rod seal K33 40x50x8 Kastas 12
Rod seal K33 40x50x9 K33-040/5 PU Rod seal K33 40x50x9 Kastas 4
Rod seal K33 40x55x10 K33-040/1 PU Rod seal K33 40x55x10 Kastas 60
Rod seal K33 40x55x11,5 K33-040/7 PU Rod seal K33 40x55x11,5 Kastas 2
Rod seal K33 40x60x11,5 K33-040/3 PU Rod seal K33 40x60x11,5 Kastas 14
Rod seal K34 40x52x22,5 [OEM] 48004825 Rod seal K34 40x52x22,5 [OEM] Kastas 4
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