TC Oil Seal ID 22/24/25mm FKM Rubber Dual Lip Rotary Shaft Seal Ring

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TC Oil Seal ID 22/24/25mm FKM Rubber Dual Lip Rotary Shaft Seal Ring

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Sizes (ID x OD x Thickness): 22*30*5mm

Packing QTY (Piece): 1 PCS

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$6.02 USD

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In stock (500 units), ready to be shipped

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TC Oil Seal ID 22/24/25mm — Stop Leaks on Rotary Shafts Before They Become Expensive Problems

A weeping crankshaft seal or a leaking gearbox output shaft can turn a routine service into a costly teardown. Mechanics, equipment owners, and serious DIYers who work on engines, differentials, and industrial rotating machinery need a seal that holds up to heat, oil, and continuous shaft movement — not one that hardens and cracks after a single season. These TC skeleton oil seals are built for exactly that kind of demanding rotary shaft application.

Each seal is a TC (double-lip) skeleton design with an FKM fluoroelastomer rubber body bonded to a rigid steel skeleton. Inner diameters are available in 22mm (≈7/8"), 24mm (≈15/16"), and 25mm (≈1"), with outer diameters ranging from 30mm to 65mm and thicknesses from 4mm to 12mm — available in multiple size combinations to match your specific housing bore and groove depth. Order as a single piece (1 PCS) or in a value pack (5 PCS).

Typical applications include automotive engine crankshaft and camshaft seals, manual gearbox and differential output shaft seals, agricultural tractor PTO shaft seals, small engine crankshaft seals, and industrial pump shaft seals where a reliable rotary shaft lip seal is required.

🔵 Compatibility Note: These seals fit shafts with an inner diameter of 22mm, 24mm, or 25mm. Always verify the shaft OD, housing bore ID, and groove depth with calipers before ordering. Dimensions are metric (mm). See the size chart in the variant selector above.

✅ Key Features of These TC FKM Rubber Dual Lip Oil Seals

🛡️Dual-Lip TC Design — The primary lip retains lubricant while the secondary exclusion lip blocks dirt, dust, and moisture from entering the bearing or housing, extending the service life of adjacent components.
🔥FKM Fluoroelastomer Rubber — Resists petroleum oils, ATF, gear oil, hydraulic fluid, and fuel vapors better than standard nitrile seals, and generally maintains flexibility at temperatures up to approximately 200°C (392°F).
⚙️Rigid Steel Skeleton — The internal metal reinforcement ring holds the seal's shape during press-fit installation into the housing bore, preventing distortion and ensuring a consistent interference fit for rotary shaft lip seal applications.
📐Wide Size Selection — With ID options of 22mm, 24mm, and 25mm paired with OD values from 30mm to 65mm and thicknesses from 4mm to 12mm, this listing covers a broad range of shaft and housing combinations in a single place.
🔩Press-Fit Installation — Designed for standard interference-fit installation using a seal driver or socket of the appropriate OD. No adhesive or sealant is required when the housing bore is within tolerance.
📦Flexible Pack Quantities — Available as a single piece for a one-off repair or in a 5-piece pack for workshop stock, fleet maintenance, or multi-machine service jobs — with per-unit savings on the 5 PCS option.

📐 Technical Specifications — TC Skeleton FKM Dual Lip Oil Seal

Seal Type	TC (Double Lip / Dual Lip)
Inner Diameter (ID)	22mm (≈7/8"), 24mm (≈15/16"), 25mm (≈1") — see variant selector
Outer Diameter (OD)	30mm–65mm — see variant selector for exact combination
Thickness	4mm–12mm — see variant selector for exact combination
Seal Material	FKM (Fluoroelastomer / Viton-type) rubber
Skeleton / Casing	Steel (rigid internal reinforcement ring)
Lip Configuration	Dual lip — primary sealing lip + secondary dust exclusion lip
Temperature Range	Typically –20°C to +200°C (–4°F to +392°F) — contact us to confirm for your application
Media Compatibility	Petroleum oils, ATF, gear oil, hydraulic fluid, fuel vapors (FKM); see variant options
Installation Method	Press-fit into housing bore (interference fit)
Packing Options	1 PCS or 5 PCS — select above
Country of Origin	See variant options

⚠️ Before You Order: Measure your shaft OD (= seal ID), housing bore ID (= seal OD), and groove depth (= seal thickness) with calipers. A seal that is even 0.5mm off in OD will not seal correctly. If you are unsure, contact us with your measurements.

❓ Frequently Asked Questions

How do I choose the right size TC oil seal?

Measure three dimensions: the shaft diameter (this becomes the seal's ID), the bore diameter in the housing (this becomes the seal's OD), and the depth of the seal groove (this becomes the thickness). Match all three to the variant you select. For example, a 25*50*10mm seal has a 25mm (≈1.0") inner diameter, 50mm (≈2.0") outer diameter, and 10mm (≈3/8") thickness. When in doubt, measure twice before ordering.

What does FKM rubber mean for an oil seal?

FKM (fluoroelastomer, also known as Viton®-type) is a synthetic rubber that generally offers superior resistance to petroleum-based oils, fuels, hydraulic fluids, and elevated temperatures compared to standard NBR (nitrile) seals. It is typically rated for continuous service up to around 200°C (392°F), making it suitable for demanding engine and gearbox applications.

Can these TC oil seals be used outdoors or in wet environments?

Yes. The dual-lip TC design includes a primary sealing lip that retains lubricant and a secondary dust/exclusion lip that generally keeps moisture, dirt, and debris out. FKM rubber also provides good resistance to weathering and ozone, making these seals suitable for outdoor equipment in most cases.

What shaft speed and pressure can these seals handle?

TC skeleton oil seals are designed for rotary shaft applications. Typical dynamic shaft speeds are generally up to 4–8 m/s depending on shaft finish and lubrication. They are intended for low-to-moderate pressure differentials (typically up to 0.05 MPa). For high-pressure applications, a different seal type may be required — contact us to confirm suitability.

Are these seals compatible with metric and standard (imperial) housings?

All dimensions listed are metric (mm). If your housing uses inch measurements, convert carefully: 25mm ≈ 0.984", 30mm ≈ 1.181", 50mm ≈ 1.969". We recommend verifying the bore and shaft dimensions with calipers before ordering to ensure a proper interference fit in the housing.

What equipment are these TC oil seals typically used in?

These seals are commonly used in automotive engines, gearboxes, differentials, power steering pumps, agricultural machinery, small engines, and industrial rotating equipment. The 22–25mm ID range is typical for crankshaft, camshaft, axle, and pump shaft applications.

Should I buy 1 PCS or 5 PCS?

If you are replacing a single failed seal, the 1 PCS option is straightforward. The 5 PCS pack is generally a better value per unit and is a good choice if you are servicing multiple machines, stocking a workshop, or want a spare on hand for future maintenance.

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

TC Oil Seal ID 22/24/25mm FKM Rubber Dual Lip Rotary Shaft Seal Ring

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TC Oil Seal ID 22/24/25mm — Stop Leaks on Rotary Shafts Before They Become Expensive Problems

✅ Key Features of These TC FKM Rubber Dual Lip Oil Seals

📐 Technical Specifications — TC Skeleton FKM Dual Lip Oil Seal

❓ Frequently Asked Questions

TC Oil Seal ID 22/24/25mm FKM Rubber Dual Lip Rotary Shaft Seal Ring

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