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 plate — never hammer directly on the seal face. Ensure the spring-loaded primary lip faces the fluid side. Avoid nicking the lip on shaft keyways or threads during installation.

TC Skeleton Oil Seal ID 160mm 165mm 170mm 175mm | FKM Rubber Dual Lip Rotary Shaft Seal

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TC Skeleton Oil Seal ID 160mm 165mm 170mm 175mm | FKM Rubber Dual Lip Rotary Shaft Seal

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Sizes (ID x OD x Thickness): 160*180*10mm

Packing QTY (Piece): 1 PCS

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TC Skeleton Oil Seal ID 160–175mm — Stop Leaks on Rotary Shafts with FKM Dual Lip Protection

When a worn or incorrectly sized rotary shaft seal lets oil migrate past the bearing housing, the result is contaminated lubricant, accelerated wear, and costly downtime. Maintenance technicians, equipment rebuilders, and DIY mechanics working on gearboxes, pumps, agricultural machinery, and industrial motors need a TC skeleton oil seal that fits precisely and holds up under heat and chemical exposure — not a generic substitute that fails within a season.

Each listing covers a single TC skeleton oil seal (1 PCS per order). The seal body features a steel skeleton (reinforcing ring) overmolded with FKM (Viton) rubber, with inner diameters of 160mm (≈6.30"), 165mm (≈6.50"), 170mm (≈6.69"), or 175mm (≈6.89"). Outer diameters range from 180mm (≈7.09") to 290mm (≈11.42") and thickness options span 10mm (≈0.39") to 18mm (≈0.71") — select the exact ID × OD × Thickness combination from the variant dropdown above. The dual-lip TC design includes a spring-loaded primary sealing lip and a secondary dust-exclusion lip.

Typical use cases include rebuilding agricultural tractor PTO shafts and axle housings, replacing seals in industrial gearboxes and centrifugal pumps, and servicing construction equipment final drives — all applications where a reliable FKM rotary shaft seal rated for high-temperature and chemical-resistant service is essential.

🔵 Compatibility Note: These metric TC oil seals follow ISO 6194 / DIN 3760 dimensional standards. Verify your shaft ID, housing bore OD, and groove depth (thickness) with calipers before ordering. Dimensions are listed as ID × OD × Thickness in millimeters.

✅ Key Features of These TC Skeleton FKM Oil Seals

🛡️Dual Lip TC Design — The spring-loaded primary lip retains lubricant while the secondary dust lip blocks contaminants, making this TC rotary shaft seal ideal for dirty or wet operating environments.
🔥FKM (Viton) Rubber Compound — Resists petroleum oils, hydraulic fluids, fuels, and many chemicals; rated for continuous service up to approximately +200°C (+392°F), outperforming standard NBR seals in high-temperature applications.
⚙️Steel Skeleton Reinforcement — The internal metal ring maintains dimensional stability during press-fit installation and prevents the seal from distorting under housing bore pressure or shaft runout.
📐Wide Size Selection (ID 160–175mm) — Available in 48 size combinations covering inner diameters of 160, 165, 170, and 175mm with multiple OD and thickness options, reducing the need to source custom or hard-to-find metric shaft seals.
🔩ISO 6194 / DIN 3760 Metric Dimensions — Dimensionally compatible with standard metric gearbox, pump, and motor housings; drop-in replacement for OEM seals in agricultural equipment, industrial machinery, and construction vehicles.
📦Individually Packaged, Ships Ready — Each seal is sold and shipped as 1 PCS, allowing you to order exactly the quantity needed for a repair without overstocking. Ships from our US warehouse for faster domestic delivery.

📐 Technical Specifications — TC Skeleton FKM Rotary Shaft Oil Seal

Seal Type	TC (Double Lip with Garter Spring)
Inner Diameter (ID)	160mm (≈6.30") / 165mm (≈6.50") / 170mm (≈6.69") / 175mm (≈6.89")
Outer Diameter (OD)	180mm–290mm range — see variant options
Thickness	10mm–18mm range — see variant options
Lip Material	FKM (Fluoroelastomer / Viton)
Skeleton / Casing	Carbon steel reinforcing ring
Number of Lips	2 (primary sealing lip + secondary dust exclusion lip)
Spring	Garter spring on primary lip
Temperature Range	Typically -20°C to +200°C (-4°F to +392°F)
Dimensional Standard	ISO 6194 / DIN 3760 (metric)
Application	Rotary shafts — gearboxes, pumps, motors, axles, agricultural & industrial equipment
Packing Quantity	1 PCS per order
Finish / Color	Contact us to confirm

⚠️ Before ordering: Measure your shaft OD (= seal ID), housing bore ID (= seal OD), and groove depth (= seal thickness) with calipers. A seal that is even 1mm oversized on the OD may not press into the bore; undersized will not seal. When in doubt, contact us with your measurements.

❓ Frequently Asked Questions

How do I choose the right size TC oil seal?

Measure three dimensions with calipers: the shaft outer diameter (this becomes the seal's inner diameter / ID), the housing bore inner diameter (this becomes the seal's outer diameter / OD), and the groove depth (this becomes the seal's thickness). For example, a 160mm (≈6.30") shaft running in a 200mm (≈7.87") bore with a 15mm (≈0.59") groove depth corresponds to the 160×200×15mm variant. Select the matching combination from the dropdown above.

What load or pressure can these FKM oil seals handle?

TC-type rotary shaft seals are generally designed for low-to-medium pressure applications. FKM compounds typically withstand operating pressures up to approximately 0.3 MPa (≈44 psi) in standard dynamic sealing conditions. For high-pressure hydraulic circuits, a dedicated hydraulic seal is recommended instead.

Are these oil seals suitable for outdoor or corrosive environments?

Yes. FKM (Viton) rubber offers excellent resistance to petroleum oils, fuels, hydraulic fluids, and many industrial chemicals. It generally performs well in temperatures from approximately -20°C to +200°C (-4°F to +392°F), making it a reliable choice for outdoor agricultural machinery, marine equipment, and chemical-exposure environments where standard NBR seals would degrade prematurely.

What shaft and housing standards are these seals compatible with?

These TC skeleton oil seals follow metric dimensional standards (ISO 6194 / DIN 3760). They are compatible with metric rotary shafts in gearboxes, pumps, motors, and axles where the shaft diameter matches the listed inner diameter. They are not designed for inch-standard (SAE) housings — confirm your housing dimensions are metric before ordering.

How do I install a TC skeleton oil seal without damaging the lip?

Clean the housing bore and shaft surface. Lightly lubricate the seal lip with the fluid being sealed (e.g., gear oil). Press the seal squarely into the bore using a seal driver or a flat plate — never strike the seal face directly with a hammer. Ensure the spring-loaded primary lip faces the fluid (lubricant) side. Protect the lip from shaft keyways, threads, or sharp edges during installation by using a sleeve or tape.

What is the difference between TC and SC oil seal types?

A TC seal has two sealing lips: a primary spring-loaded lip that retains lubricant and a secondary dust-exclusion lip that keeps contaminants out. An SC seal has only a single lip. TC seals are generally preferred for applications exposed to dirt, dust, or moisture — such as agricultural equipment, construction machinery, and outdoor power units — where contamination ingress is a concern.

Can I use these seals in high-temperature applications like engine compartments?

FKM rubber is one of the most heat-resistant elastomers available for oil seals, typically rated for continuous service up to approximately +200°C (+392°F). This makes these seals suitable for engine compartments, industrial ovens, and other elevated-temperature environments where standard NBR seals (typically rated to +120°C) would harden and crack over time.

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

TC Skeleton Oil Seal ID 160mm 165mm 170mm 175mm | FKM Rubber Dual Lip Rotary Shaft Seal

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Beschreibung

TC Skeleton Oil Seal ID 160–175mm — Stop Leaks on Rotary Shafts with FKM Dual Lip Protection

✅ Key Features of These TC Skeleton FKM Oil Seals

📐 Technical Specifications — TC Skeleton FKM Rotary Shaft Oil Seal

❓ Frequently Asked Questions

TC Skeleton Oil Seal ID 160mm 165mm 170mm 175mm | FKM Rubber Dual Lip Rotary Shaft Seal

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