Rotary Shaft Seals

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Rotary Shaft Seals


Rotary Shaft Seals

Rotary shaft seals provide sealing and wiping functionality for rotating and swiveling movements under low pressure and high velocity. They perform two essential functions. The primary function is to retain the bearing or system lubricant in the system to avoid leakage. The secondary function of a rotary shaft seal is to preclude any contamination of the system by external particles or other environmental impacts. Radial shaft seals typically consist of a metal insert and an elastomer diaphragm with a spring-energized sealing lip.


Radial shaft seals are low-friction seals for high-speed shafts. Various designs and materials are available for any application.

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Parker’s LUP, LPD, RUP, and RPD Clipper® oil seal profiles are general purpose, single lip rotary shaft seals.

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Split Clipper® rotary shaft seals have the same superior characteristics as solid general purpose Clipper oil seals, but are factory-split for easy installation.

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Rotary seal for rotary distributors. Dynamic function on inner diameter. Double-acting. For highest-pressure applications. ISO 7425.

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Parker’s high misalignment rotary shaft Clipper® oil seal profiles are designed to accommodate rotating shaft applications with conditions of shaft to bore misalignment (STBM) and dynamic run out (TIR).

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Parker’s HP Profile is a springless rotary shaft oil seal suited for high temperature and high pressure applications with its metal outer case, fluoroelastomer (FKM) sealing element, and PTFE back-up element.

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Parker's H wiper is a shallow cavity general purpose Clipper® oil seal wiper used for excluding contaminants in reciprocating and rotary applications.

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Heavy duty spring loaded rotary shaft oil seals are available in a variety of configurations which include rubber covered metal or composite rubber/aramid fiber case with or without metal reinforcement for greater bore retention and shock load absorption

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Parker’s SSW profile rotary shaft excluder seal features the Clipper® composite elastomer/aramid fiber outer case and elastomer sealing lip. It is designed for heavy duty applications with external washdown or severe dust and contamination.

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High performance spring-loaded rotary shaft oil seal with rubber covered metal case and FKM lip (MP).

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Springless and spring-loaded seals for stationary shaft/rotating bore applications are available from Parker. Various designs feature the Clipper® oil seal composite rubber/aramid fiber ID with an elastomer lip OD which seals against the rotating bore.

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Parker's Light Duty Springless Clipper® Oil Seals (SS SDS) are general purpose, light-duty springless rotary shaft seals which provide excellent retention of grease and light oil.

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Low Speed Clipper® oil seal wiper excludes dust and contamination in reciprocating applications.

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Rotary seal for rotary distributors. Dynamic function on inner diameter. Double-acting, PTFE slipper seal design. Low friction. For high-pressure applications. ISO 7425. Slipper Seal®.

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Rotary seal for rotary distributors. Dynamic function on inner diameter. Extremely robust fabric-reinforced design. Double-acting. For high-pressure applications.

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Parker DS Profile rotary shaft seal is used as an internal deflector to protect the primary seal from lubricant surge or as an external excluder for dust and contamination.

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Parker’s Sliptite Clipper® oil seals are general purpose, single lip rotary shaft seals which have a layer of PTFE bonded to the elastomer sealing lip to reduce friction, heat and wear, for extended seal life.

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Parker’s TSS profile seal provides low friction grease retention or light dust exclusion for bearings and features a soft, thin and flexible elastomer lip and Clipper® rubber/aramid fiber outer case for damage-free installation.

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Springless and spring-loaded single PTFE lip rotary shaft seals with stainless steel case are available from Parker for low speed FDA applications or corrosive chemical service.

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Rotary sealing set for rotary distributors. Dynamic function on outer diameter. Double-acting, PTFE slipper seal design. Low friction. For high-pressure applications. ISO 7425.

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Homogenous rubber spring-loaded single lip seal with tapered heel provides lubrication retention in pillow block bearings. Available in easy-to-install split configuration.

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Parker DB, DC, and DA rotary shaft oil seal profiles feature two opposite facing spring loaded elastomer lips with varying metal case designs for bi-directional fluid sealing, fluid separation or contamination exclusion.

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Parker cassette seals are used for fluid retention and extreme contamination exclusion in heavy duty applications operating in severe and harsh environments. The unitized design eliminates need for proper shaft surface finish and hardness.

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Parker’s “E” style rubber V seal has a large cross section for heavy duty large diameter rotating shafts. Its flexible lip seals against the counter face and can accommodate ± 0.5” axial movement.

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Parker's “S” style rubber V seal features a wide body and tapered cross-section for firm hold on higher speed rotating shafts and a flexible lip which seals against the counter face.

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687PDC
687PDC