What shaft speed can this seal handle?

TC skeleton oil seals are typically rated for rotary shaft applications. Maximum shaft surface speed depends on the specific size and lubrication conditions, but in most cases NBR lip seals perform well up to approximately 4–6 m/s (800–1200 ft/min) surface speed. Consult your equipment manual for exact requirements.

TC Skeleton Oil Seal Ring | NBR Double Lip Rotary Shaft Seal | ID 62mm–69mm

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TC Skeleton Oil Seal Ring | NBR Double Lip Rotary Shaft Seal | ID 62mm–69mm

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Sizes (ID x OD x Thickness): 62 x 70 x 12mm

Packing QTY (Piece): 1 PCS

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$2.72 USD

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In stock (500 units), ready to be shipped

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TC Skeleton Oil Seal — NBR Double Lip Rotary Shaft Seal for ID 62mm–69mm Shafts

When a leaking shaft seal turns a routine maintenance job into a messy, costly repair, having the right replacement on hand makes all the difference. Mechanics, equipment technicians, and serious DIYers working on gearboxes, hydraulic pumps, electric motors, and agricultural machinery know that a mismatched or worn oil seal leads to fluid loss, contamination, and premature bearing failure. This TC skeleton oil seal is designed to drop into those repairs cleanly and reliably.

Each seal is sold individually (1 PCS) and is constructed with an NBR (Nitrile Butadiene Rubber) double-lip design over a carbon steel skeleton case. The inner diameter (ID) range covered by this listing is 62mm–69mm, with outer diameters (OD) ranging from approximately 70mm to 140mm and thicknesses from 6mm to 19mm — available in multiple sizes to match your exact bore and housing depth. Dimensions are listed in the variant selector as ID × OD × Thickness (mm).

Typical applications include rotary shaft sealing on automotive rear axles and differentials, industrial gearbox output shafts, hydraulic cylinder rods, pump housings, and agricultural PTO shafts — anywhere a reliable oil seal for a 62–69mm shaft is needed to prevent lubricant leakage and exclude dust and moisture.

ℹ️ Compatibility Note: Always verify all three dimensions — Inner Diameter (ID), Outer Diameter (OD), and Thickness — before ordering. The variant selector lists sizes as ID × OD × Thickness in mm. If your measurement falls between listed sizes, contact us to confirm the closest match.

⚠️ Tip: Measure your existing seal or housing bore with calipers for the most accurate fit. Do not rely solely on part numbers from other suppliers, as tolerances can vary by manufacturer.

✅ Key Features of These TC Skeleton NBR Double Lip Oil Seals

🔩TC Double-Lip Design — The primary lip retains oil while the secondary dust lip excludes contaminants, making this rotary shaft seal suitable for both lubrication retention and ingress protection in dirty environments.
🧪NBR Rubber Compound — Nitrile Butadiene Rubber provides broad compatibility with petroleum-based oils, ATF, grease, and common hydraulic fluids across a typical service range of -40°F to +250°F (-40°C to +120°C).
🏗️Carbon Steel Skeleton Case — The rigid metal outer case maintains dimensional stability during press-fit installation and resists distortion under housing clamp loads, ensuring a consistent bore seal.
📐200+ Size Variants in One Listing — With ID options from 62mm to 69mm and a wide range of OD and thickness combinations, this listing covers a broad spectrum of gearbox oil seal and pump shaft seal replacement needs without hunting across multiple SKUs.
⚙️Press-Fit Outer Diameter — The OD is sized for a standard interference fit into the housing bore, providing a static seal at the outer case without requiring sealant in most applications.
🚚Ships from US Warehouse — Stocked domestically for faster delivery to US addresses, reducing downtime when you need a replacement NBR double lip seal quickly.

📐 Technical Specifications — TC Skeleton NBR Double Lip Oil Seal

Seal Type	TC (Double Lip with Dust Lip)
Inner Diameter (ID) Range	62mm–69mm (≈2.44"–2.72")
Outer Diameter (OD) Range	70mm–140mm (≈2.76"–5.51") — see variant options
Thickness Range	6mm–19mm (≈0.24"–0.75") — see variant options
Lip Material	NBR (Nitrile Butadiene Rubber)
Case / Skeleton Material	Carbon Steel
Lip Configuration	Double lip (primary oil lip + secondary dust/exclusion lip)
Operating Temperature	Typically -40°F to +250°F (-40°C to +120°C)
Media Compatibility	Petroleum oils, ATF, grease, common hydraulic fluids (verify synthetic compatibility)
Installation Method	Press-fit into housing bore
Quantity per Order	1 PCS (single seal)
Spring	See variant options / Contact us to confirm
Pressure Rating	Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right TC oil seal size?

Measure the shaft (inner diameter), the bore (outer diameter), and the housing depth (thickness) with calipers. Match all three dimensions to the variant listed as ID × OD × Thickness. For example, a shaft of 65mm (≈2.56"), bore of 90mm (≈3.54"), and housing depth of 10mm (≈0.39") corresponds to the 65 × 90 × 10mm variant. When in doubt, round to the nearest 0.5mm and contact us to confirm.

What material is this oil seal made from?

The sealing lips are made from NBR (Nitrile Butadiene Rubber), which generally offers good resistance to petroleum-based oils, greases, and hydraulic fluids. The outer case is typically carbon steel. NBR is not recommended for use with ketones, esters, or highly aromatic fuels — for those applications, a Viton (FKM) seal is typically preferred.

What is the operating temperature range for an NBR double lip seal?

NBR seals typically operate in a range of approximately -40°F to +250°F (-40°C to +120°C). For higher-temperature environments — such as near exhaust components or in high-speed industrial applications — consider a Viton (FKM) seal rated to +400°F (+200°C).

Can this seal be used outdoors or in wet environments?

The TC double-lip design includes a secondary dust/exclusion lip that generally provides good protection against water splash, mud, and light contamination — making it suitable for agricultural equipment, outdoor power machinery, and vehicle axles. For fully submerged or high-pressure water jet applications, contact us to confirm suitability.

What shaft surface speed can this rotary shaft seal handle?

TC skeleton oil seals are designed for rotary shaft applications. In most cases, NBR lip seals perform well up to approximately 4–6 m/s (800–1,200 ft/min) shaft surface speed under lubricated conditions. Actual limits depend on the specific size, shaft finish, and operating temperature. Consult your equipment manual for exact requirements.

Is this seal compatible with synthetic oils and automatic transmission fluid (ATF)?

NBR is generally compatible with mineral-based oils, conventional ATF, and many common hydraulic fluids. Compatibility with fully synthetic oils (PAO, ester-based) varies by formulation — check the fluid manufacturer's elastomer compatibility chart before installing. When in doubt, contact us with your fluid specification.

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

Follow these steps for a clean installation: (1) Lightly lubricate the sealing lip with clean oil. (2) Ensure the shaft surface is smooth and free of burrs or sharp edges — use a shaft protector sleeve if needed. (3) Use a seal driver or flat press plate sized to the outer diameter to press the seal in squarely and evenly. (4) Never hammer directly on the seal face. (5) Press until the seal face is flush with or slightly below the housing surface.

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

TC Skeleton Oil Seal Ring | NBR Double Lip Rotary Shaft Seal | ID 62mm–69mm

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TC Skeleton Oil Seal — NBR Double Lip Rotary Shaft Seal for ID 62mm–69mm Shafts

✅ Key Features of These TC Skeleton NBR Double Lip Oil Seals

📐 Technical Specifications — TC Skeleton NBR Double Lip Oil Seal

❓ Frequently Asked Questions

TC Skeleton Oil Seal Ring | NBR Double Lip Rotary Shaft Seal | ID 62mm–69mm

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