TC Oil Seal ID 105 / 108 / 110mm — FKM Rubber Dual Lip Rotary Shaft Seal

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TC Oil Seal ID 105 / 108 / 110mm — FKM Rubber Dual Lip Rotary Shaft Seal

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Sizes (ID x OD x Thickness): 105*120*8mm

Packing QTY (Piece): 1 PCS

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$14.02 USD

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In stock (500 units), ready to be shipped

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TC Oil Seals for 105–110mm Shafts — FKM Dual Lip Rotary Shaft Sealing

When a leaking shaft seal causes oil contamination, bearing failure, or costly downtime on your gearbox, pump, or axle, finding an exact-fit replacement with the right material matters. These TC skeleton oil seals are built for mechanics, equipment operators, and DIYers who need a reliable rotary shaft seal in the 105mm, 108mm, or 110mm inner diameter range — without compromising on lip material or dimensional accuracy.

Each seal is sold individually (1 PCS per order) and features a dual-lip TC design with an FKM (fluoroelastomer) rubber compound over a rigid metal skeleton. Inner diameters span 105mm (≈4.13"), 108mm (≈4.25"), and 110mm (≈4.33"). Outer diameters range from 120mm (≈4.72") to 215mm (≈8.46"), and thickness options run from 8mm (≈0.31") to 16mm (≈0.63") — select the variant that matches your housing bore and depth exactly.

Typical applications include agricultural tractor PTO shafts and gearboxes, industrial pump and motor housings, heavy equipment axle ends, and hydraulic cylinder rod sealing where FKM chemical resistance is required. These seals are a direct-fit solution for rotary shaft oil seal replacement in machinery that sees heat, oil, and outdoor exposure.

ℹ️ Compatibility Note: These seals fit shafts with an inner diameter of 105mm, 108mm, or 110mm. Always verify all three dimensions — ID × OD × Thickness — against your housing before ordering. See variant options for the full size matrix.

✅ Key Features of These TC FKM Dual Lip Oil Seals

🔩TC Dual-Lip Design — Primary sealing lip retains lubricant while the secondary dust lip blocks contaminants, providing more reliable shaft protection than single-lip seals in dirty or wet environments.
🌡️FKM Fluoroelastomer Compound — Resists petroleum oils, synthetic lubricants, ATF, fuels, and ozone; typically rated from -20°C to +200°C (-4°F to +392°F), outperforming standard NBR rubber in high-heat applications.
🏗️Rigid Metal Skeleton Construction — The stamped steel inner ring maintains seal geometry under press-fit installation and prevents distortion during operation, ensuring consistent lip contact pressure on the rotating shaft.
📐Wide Size Matrix — 51 Variants — ID options of 105mm, 108mm, and 110mm paired with ODs from 120mm to 215mm and thicknesses from 8mm to 16mm, covering a broad range of gearbox, pump, and axle housing configurations.
⚙️Spring-Loaded Lip Contact — An internal garter spring maintains consistent radial lip force against the shaft surface, compensating for minor shaft runout and extending service life in rotary shaft oil seal applications.
🚜Suited for Agricultural & Industrial Use — Designed for the operating conditions found in tractor PTOs, industrial gearboxes, hydraulic pump housings, and heavy equipment axles where shaft seal replacement durability is critical.

📐 Technical Specifications — TC Skeleton Oil Seal (FKM, Dual Lip)

Seal Type	TC (Double Lip / Dual Lip Skeleton Oil Seal)
Inner Diameter (ID)	105mm (≈4.13"), 108mm (≈4.25"), 110mm (≈4.33")
Outer Diameter (OD)	120mm – 215mm (≈4.72" – 8.46"); see variant options
Thickness	8mm – 16mm (≈0.31" – 0.63"); see variant options
Lip Material	FKM (Fluoroelastomer / Viton®-type rubber)
Body / Skeleton	Metal (stamped steel inner ring)
Lip Configuration	Dual lip — primary sealing lip + secondary dust exclusion lip
Spring Type	Garter spring (internal, spring-loaded primary lip)
Operating Temperature	Typically -20°C to +200°C (-4°F to +392°F)
Pressure Rating	Low-to-medium pressure; contact us to confirm for your application
Compatible Fluids	Petroleum oils, synthetic oils, ATF, gear oil, hydraulic fluid, fuels (verify for aggressive chemicals)
Quantity per Order	1 PCS
Standards / Cross-Reference	Contact us to confirm

⚠️ Before ordering: Measure your shaft OD (= seal ID), housing bore ID (= seal OD), and housing depth (= seal thickness). All three must match. If your shaft has a worn groove, consider a repair sleeve before installing a new seal.

❓ Frequently Asked Questions

How do I choose the right size TC oil seal?

Measure the shaft diameter (inner diameter / ID), the bore diameter in the housing (outer diameter / OD), and the housing depth (thickness). Match all three dimensions to the variant listed as ID × OD × Thickness. For example, 110*140*12mm means a 110mm (≈4.33") shaft, 140mm (≈5.51") bore, and 12mm (≈0.47") depth. When in doubt, go by the shaft diameter first, then confirm OD and thickness against your housing.

What load or pressure can these oil seals handle?

TC-type skeleton oil seals are generally designed for low-to-medium pressure applications. They are typically rated for static sealing pressures up to around 0.05 MPa (7 psi) and are not intended for high-pressure hydraulic circuits. For dynamic rotary shaft applications, they rely on lip contact force rather than pressure containment. Contact us to confirm suitability for your specific operating conditions.

Are these FKM oil seals suitable for outdoor or harsh environments?

Yes. FKM (Viton®-type) rubber offers excellent resistance to heat, ozone, UV exposure, and a wide range of chemicals including petroleum-based oils, hydraulic fluids, and fuels. This makes these seals well-suited for outdoor machinery, agricultural equipment, and industrial applications exposed to the elements. FKM generally outperforms standard NBR rubber in high-temperature and chemically aggressive environments.

What shaft speed and temperature range are these seals rated for?

FKM TC oil seals are typically rated for continuous operating temperatures from approximately -20°C (-4°F) to +200°C (+392°F). Shaft surface speed compatibility depends on shaft finish and lubrication, but is generally suitable for moderate rotational speeds found in gearboxes, pumps, and axles. Contact us to confirm for high-speed applications.

What is the difference between a TC seal and other oil seal types?

A TC seal (also called a double-lip or dual-lip seal) has two sealing lips: a primary lip that retains lubricant and a secondary dust lip that excludes contaminants. This dual-lip design provides better protection than single-lip (SC or SB type) seals in dirty or wet environments. The metal skeleton (spring-loaded inner ring) maintains consistent lip contact pressure against the rotating shaft.

Can I use these seals with synthetic oils or ATF?

FKM rubber is generally compatible with most synthetic oils, automatic transmission fluids (ATF), gear oils, and hydraulic fluids. It is also resistant to many fuels and solvents. However, compatibility can vary by specific fluid formulation. If you are sealing an unusual or aggressive fluid, we recommend verifying FKM chemical compatibility before ordering.

How do I install a TC skeleton oil seal correctly?

Clean the housing bore and shaft thoroughly before installation. Lightly lubricate the seal lip with the fluid being sealed. Press the seal squarely into the bore using a seal driver or a flat plate — never hammer directly on the seal face. Ensure the seal sits flush or slightly below the housing face. Avoid nicking the lip on keyways or splines during installation.

🛒 Select your size (ID × OD × Thickness) above, then add to cart — ships from our US warehouse.

TC Oil Seal ID 105 / 108 / 110mm — FKM Rubber Dual Lip Rotary Shaft Seal

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Description

TC Oil Seals for 105–110mm Shafts — FKM Dual Lip Rotary Shaft Sealing

✅ Key Features of These TC FKM Dual Lip Oil Seals

📐 Technical Specifications — TC Skeleton Oil Seal (FKM, Dual Lip)

❓ Frequently Asked Questions

TC Oil Seal ID 105 / 108 / 110mm — FKM Rubber Dual Lip Rotary Shaft Seal

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