TC Double Lip FKM Oil Seal — Rotary Shaft Skeleton Seal Ring

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TC Double Lip FKM Oil Seal — Rotary Shaft Skeleton Seal Ring

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Inner Diameter X Outer Diameter X Thickness: 35x51x10mm

Pack Quantity(Pcs): 1 Pcs

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$7.96 USD

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In stock (500 units), ready to be shipped

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TC Double Lip FKM Oil Seal — Stop Leaks at the Shaft with the Right Rotary Seal

A leaking shaft seal is one of the most frustrating failures in any rotating machine — oil drips onto the floor, contaminants work their way into bearings, and what started as a small seep turns into a costly repair. Whether you're a mechanic rebuilding a gearbox, a farmer servicing a PTO shaft, or a DIYer replacing a worn crankshaft seal, finding the exact TC double lip FKM oil seal in the right size shouldn't be a scavenger hunt.

Each seal in this listing is a TC-type skeleton oil seal with a stamped steel case, FKM (Viton) rubber compound, and a garter-spring-loaded primary lip. Available in inner diameters from 12mm (≈0.47") to 35mm (≈1.38"), outer diameters from 22mm (≈0.87") to 62mm (≈2.44"), and thicknesses from 5mm (≈0.20") to 12mm (≈0.47"). Select your exact ID × OD × thickness from the variant dropdown, then choose a pack of 1–5 pieces.

Typical use cases include automotive gearbox and differential shaft seals, agricultural equipment PTO and axle seals, small engine crankshaft and camshaft seals, and industrial pump and motor shaft seals where a reliable rotary shaft seal ring is needed to retain lubricant and exclude dust.

🔵 Compatibility Note: These TC skeleton oil seals follow standard metric sizing. Match all three dimensions — Inner Diameter × Outer Diameter × Thickness — to your housing and shaft before ordering. Dimensions are listed in the variant selector above.

✅ Key Features of These TC Double Lip FKM Rotary Shaft Oil Seals

🛡️Double Lip TC Design — The primary spring-loaded lip retains oil and grease; the secondary dust lip blocks dirt, debris, and moisture from reaching the bearing — two lines of defense in one seal.
🔥FKM (Viton) Rubber Compound — Withstands temperatures typically from -20°C to +200°C (-4°F to +392°F), resisting petroleum oils, synthetic lubricants, fuels, and many industrial chemicals where standard NBR seals fail.
⚙️Steel Skeleton Case — The stamped metal outer shell maintains dimensional stability during press-fit installation and prevents the seal from distorting under housing bore pressure.
🌀Garter Spring-Loaded Lip — A stainless garter spring maintains consistent radial lip pressure against the shaft as the seal lip wears over time, extending service life compared to springless designs.
📐Wide Size Range in One Listing — Inner diameters from 12mm to 35mm, outer diameters from 22mm to 62mm, and widths from 5mm to 12mm cover a broad range of gearbox, engine, and pump shaft seal applications.
📦Flexible Pack Quantities — Order 1 piece for a single repair or up to 5 pieces for fleet maintenance or workshop stock — priced per pack with volume savings built in.

📐 Technical Specifications — TC Double Lip FKM Skeleton Oil Seal

Seal Type	TC (Double Lip with Garter Spring)
Material — Lip	FKM (Fluoroelastomer / Viton)
Material — Case	Carbon steel (stamped skeleton)
Inner Diameter (ID) Range	12mm (≈0.47") – 35mm (≈1.38")
Outer Diameter (OD) Range	22mm (≈0.87") – 62mm (≈2.44")
Thickness Range	5mm (≈0.20") – 12mm (≈0.47")
Operating Temperature	Typically -20°C to +200°C (-4°F to +392°F)
Shaft Speed	See variant options (typically up to 4–8 m/s)
Pressure Rating	Low-to-medium (typically ≤ 0.05 MPa static)
Fluid Compatibility	Petroleum oils, synthetic lubricants, fuels, hydraulic fluids
Finish / Color	Black rubber lip, bare steel case
Pack Quantity Options	1 / 2 / 3 / 4 / 5 Pcs per order
Standard	Contact us to confirm OEM cross-reference

⚠️ Size Tip: Use calipers to measure your shaft (ID), housing bore (OD), and housing depth (thickness) before selecting a variant. A seal that is even 1mm off in any dimension will not seal correctly.

❓ Frequently Asked Questions

How do I choose the right TC oil seal size?

Measure the shaft diameter (inner diameter), the bore diameter (outer diameter), and the housing depth (thickness) with calipers. For example, a 35×52×8mm seal has a 35mm (≈1.38") shaft bore, 52mm (≈2.05") outer diameter, and 8mm (≈0.31") width. Always match all three dimensions to your application — a seal that is off by even 1mm will not seat or seal correctly.

What load or pressure can these TC oil seals handle?

TC skeleton oil seals are generally designed for low-to-medium pressure applications. They are typically rated for shaft speeds up to around 4–8 m/s and static pressures up to approximately 0.05 MPa. For high-pressure hydraulic systems, a different seal type (such as a hydraulic rod seal) is generally recommended.

Are these FKM oil seals suitable for outdoor or high-temperature use?

Yes. FKM (Viton) rubber typically withstands temperatures from approximately -20°C to +200°C (-4°F to +392°F) and resists UV, ozone, and weathering. This makes it suitable for outdoor machinery and high-heat environments such as engine bays, industrial ovens, and agricultural equipment exposed to the elements.

What fluids are these TC seals compatible with?

FKM seals are generally compatible with petroleum-based oils, synthetic lubricants, hydraulic fluids, fuels, and many aggressive chemicals. They are not typically recommended for use with ketones (MEK, acetone), certain esters, or hot water/steam applications. When in doubt, contact us to confirm compatibility with your specific fluid.

How do I install a TC skeleton oil seal correctly?

Clean the housing bore and shaft. Lightly lubricate the seal lip with the fluid being sealed. Press the seal squarely into the bore using a seal driver or a flat block — never hammer directly on the seal face. Ensure the primary lip (with the garter spring) faces the fluid side and the dust lip faces outward. Drive the seal flush with or just below the housing face.

What is the difference between a TC seal and a SC or VC seal?

A TC seal has two sealing lips — a primary oil lip with a garter spring and a secondary dust/dirt exclusion lip. SC seals have a single lip. VC seals are typically lip seals without a metal case. TC seals are generally preferred for applications where both fluid retention and contamination exclusion are needed, such as gearboxes, differentials, and wheel hubs.

Can I use these seals on automotive applications like wheel hubs or gearboxes?

TC FKM oil seals are commonly used in automotive gearboxes, differentials, wheel hubs, crankshafts, and camshafts. Always verify the exact ID × OD × thickness dimensions match your vehicle's specification before ordering. If you need help cross-referencing an OEM part number, contact us.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

TC Double Lip FKM Oil Seal — Rotary Shaft Skeleton Seal Ring

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TC Double Lip FKM Oil Seal — Stop Leaks at the Shaft with the Right Rotary Seal

✅ Key Features of These TC Double Lip FKM Rotary Shaft Oil Seals

📐 Technical Specifications — TC Double Lip FKM Skeleton Oil Seal

❓ Frequently Asked Questions

TC Double Lip FKM Oil Seal — Rotary Shaft Skeleton Seal Ring

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