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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.

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Hydraulic seals dimension
Rod diameter d (mm)
Groove Diameter D (mm)
Seal width h (mm)
Details
Seal type
Manufacturers
Manufacturers
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Photo Code Name Producer Stock
Rod seal K29 63x78,5x6,3 K29-063 PU Rod seal K29 63x78,5x6,3 Kastas 35
Rod seal K31 63,5x76,2x9,52 PU+NBR+POM K31-063 PU Rod seal K31 63,5x76,2x9,52 PU+NBR+POM Kastas 14
Rod seal K31 63x75x8,6 K31-063/1 PU Rod seal K31 63x75x8,6 Kastas request
Rod seal K32 63x75x8 K32-063 PU Rod seal K32 63x75x8 Kastas 12
Rod seal K32 63x78x10,8 K32-063/1 PU Rod seal K32 63x78x10,8 Kastas 18
Rod seal K33 63,50x73,02x9,52 K33-063/4 PU Rod seal K33 63,50x73,02x9,52 Kastas 19
Rod seal K33 63,5x76,2x9,53 K33-063/7 PU Rod seal K33 63,5x76,2x9,53 Kastas 29
Rod seal K33 63,5x82,55x15,87 K33-063/3 PU Rod seal K33 63,5x82,55x15,87 Kastas 17
Rod seal K33 63x71x8 K33-063/8 PU Rod seal K33 63x71x8 Kastas 11
Rod seal K33 63x73x10 K33-063/6 PU Rod seal K33 63x73x10 Kastas 11
Rod seal K33 63x73x12 K33-063/5 PU Rod seal K33 63x73x12 Kastas 3
Rod seal K33 63x78x10 K33-063/2 PU Rod seal K33 63x78x10 Kastas 21
Rod seal K33 63x78x11,5 K33-063/1 PU Rod seal K33 63x78x11,5 Kastas 48
Rod seal K33 63x83x12 K33-063 PU Rod seal K33 63x83x12 Kastas 19
Rod seal K33-63x73x8,6 PU K33-063/9 PU Rod seal K33-63x73x8,6 PU Kastas 10
Rod seal K34 63x83x37 K34-063 Rod seal K34 63x83x37 Kastas 9
Rod seal K35 63,5x74,2x4,2 48004247 Rod seal K35 63,5x74,2x4,2 Kastas 43
Rod seal K35 63x73,7x4,2 48005394 Rod seal K35 63x73,7x4,2 Kastas 96
Rod seal K35 63x78,1x6,3 48005395 Rod seal K35 63x78,1x6,3 Kastas 1552
Rod seal K37 63,5x76,2x8,5 K37-063/5 Rod seal K37 63,5x76,2x8,5 Kastas 8
Rod seal K37 63,5x77,78x11,5 K37-063/6 Rod seal K37 63,5x77,78x11,5 Kastas 5
Rod seal K37 63,5x82,55x14,28 K37-063/4 Rod seal K37 63,5x82,55x14,28 Kastas 9
Rod seal K37 63x71x9 K37-063 Rod seal K37 63x71x9 Kastas 12
Rod seal K37 63x75x11 K37-063/1 Rod seal K37 63x75x11 Kastas 16
Rod seal K37 63x75x11 K37-063/2 Rod seal K37 63x75x11 Kastas 11
Rod seal K37 63x83x14,5 K37-063/3 Rod seal K37 63x83x14,5 Kastas 3
Rod seal K38 63,5x73,02x9,52 K38-063/1 PU Rod seal K38 63,5x73,02x9,52 Kastas 14
Rod seal K38 63x71x8 K38-063 PU Rod seal K38 63x71x8 Kastas 16
Rod seal K38 63x75x8,6 K38-063/2 PU Rod seal K38 63x75x8,6 Kastas request
Rod seal RBR 63x78,5x6,3 CL [2ERBR037] RBR 0630 0785 063 CL Rod seal RBR 63x78,5x6,3 CL [2ERBR037] Artic seals request
Rod seal RSA 63x73x12 C0 [2ERSA509] RSA 0630 0730 120 C0 Rod seal RSA 63x73x12 C0 [2ERSA509] Artic seals 60
Rod seal RSA 63x73x6,5 C0 [2ERSA508] RSA 0630 0730 065 C0 Rod seal RSA 63x73x6,5 C0 [2ERSA508] Artic seals 56
Rod seal RSA 63x75x12 C0 [2ERSA514] RSA 0630 0750 120 C0 Rod seal RSA 63x75x12 C0 [2ERSA514] Artic seals 6 weeks
Rod seal RSA 63x75x8,6 C0 [2ERSA513] RSA 0630 0750 086 C0 Rod seal RSA 63x75x8,6 C0 [2ERSA513] Artic seals 68
Rod seal RSA 63x78x10 C0 [2ERSA517] RSA 0630 0780 100 C0 Rod seal RSA 63x78x10 C0 [2ERSA517] Artic seals 6 weeks
Rod seal RSA 63x78x11,5 C0 [2ERSA521] RSA 0630 0780 115 C0 Rod seal RSA 63x78x11,5 C0 [2ERSA521] Artic seals 6 weeks
Rod seal RSA 63x83x15 C0 [2ERSA525] RSA 0630 0830 150 C0 Rod seal RSA 63x83x15 C0 [2ERSA525] Artic seals 6 weeks
Rod seal RSB 63,5x76,2x9,53 C0 [2ERSBI17] RSBI 2500 3000 0375 C0 Rod seal RSB 63,5x76,2x9,53 C0 [2ERSBI17] Artic seals 75
Rod seal RSB 63x73x10 C0 [2ERSB970] RSB 0630 0730 100 C0 Rod seal RSB 63x73x10 C0 [2ERSB970] Artic seals 28
Rod seal RSB 63x73x12 C0 [2ERSB931] RSB 0630 0730 120 C0 Rod seal RSB 63x73x12 C0 [2ERSB931] Artic seals 19
Rod seal RSB 63x73x6 PU RSB 0630 0730 060 C0 Rod seal RSB 63x73x6 PU Artic seals 94
Rod seal RSB 63x78x10 PU RSB 0630 0780 100 C0 Rod seal RSB 63x78x10 PU Artic seals 41
Rod seal RSB 63x78x11,5 PU RSB 0630 0780 115 C0 Rod seal RSB 63x78x11,5 PU Artic seals 127
Rod seal RSB 63x83x12 PU RSB 0630 0830 120 C0 Rod seal RSB 63x83x12 PU Artic seals 90
Rod seal RSB 63x83x15 PU RSB 0630 0830 150 C0 Rod seal RSB 63x83x15 PU Artic seals 34
Rod seal RSD 63x71x8 PU [2ERSD505] RSD 0630 0710 080 C0 Rod seal RSD 63x71x8 PU [2ERSD505] Artic seals 36
Rod seal TSS/P 63x78,1x6,3 PU TSS/P 0630 0781 063 EN Rod seal TSS/P 63x78,1x6,3 PU Artic seals 10
Rod seal XT200 63x78x10 PU XT200-063 PU Rod seal XT200 63x78x10 PU Kastas 19
Buffer seal RB08 65x77x3u PU [YR7788-004] 48003574 Buffer seal RB08 65x77x3u PU [YR7788-004] OEM 10
Rod seal 65x73x11,5 TTI PU TTI-1726 Rod seal 65x73x11,5 TTI PU Italy request
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