Are these seals compatible with metric and standard (SAE) shafts?

All dimensions listed are metric (mm). Many metric seal sizes correspond closely to common SAE shaft sizes — for example, a 32mm seal fits a shaft that is approximately 1.26" in diameter. Always verify the actual measured shaft and housing dimensions rather than relying on nominal designations.

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home > NBR TC Rotary Shaft Oil Seal with Garter Spring | 30–65mm Shaft | 10 or 20 pcs > NBR TC Rotary Shaft Oil Seal with Garter Spring | 30–65mm Shaft | 10 or 20 pcs

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NBR TC Rotary Shaft Oil Seal with Garter Spring | 30–65mm Shaft | 10 or 20 pcsNBR TC Rotary Shaft Oil Seal with Garter Spring Stop Leaks at the Source Mechanics, equipment rebuilders, and serious DIYers know the frustration of a weeping shaft seal: oil on the floor, contaminated bearings, and a repair job that has to be done twice. These NBR TC rotary shaft oil seals are engineered to create a reliable, long lasting barrier between rotating shafts and their housings keeping lubricant in and contaminants out from the first

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NBR TC Rotary Shaft Oil Seal with Garter Spring — Stop Leaks at the Source

Mechanics, equipment rebuilders, and serious DIYers know the frustration of a weeping shaft seal: oil on the floor, contaminated bearings, and a repair job that has to be done twice. These NBR TC rotary shaft oil seals are engineered to create a reliable, long-lasting barrier between rotating shafts and their housings — keeping lubricant in and contaminants out from the first revolution.

Each set contains 10 or 20 pieces (quantity shown in the variant name) of double-lip TC oil seals made from nitrile rubber (NBR) with a carbon steel outer case and a precision garter spring. Shaft diameters covered range from 30mm (≈1.18") to 65mm (≈2.56"), with outer diameters from 40mm (≈1.57") up to 130mm (≈5.12") and thicknesses from 5mm (≈0.20") to 13mm (≈0.51"). Select your exact ID × OD × thickness combination from the variant dropdown above.

These TC shaft seals are well-suited for gearbox output shafts, agricultural equipment axles, small engine crankshafts, hydraulic pump shafts, and industrial conveyor drives — anywhere a rotating shaft passes through a housing that must retain oil or grease while excluding dust and moisture.

🔵 Compatibility: Fits standard metric housing bores. Verify your shaft ID, housing OD, and bore depth before ordering. Dimensions are listed as ID × OD × Thickness (mm) in the size selector above.

⚠️ Size confirmation recommended: With 250+ size options, please measure your existing seal or housing before selecting a variant. If you need help identifying your size, contact us.

✅ Key Features of These NBR TC Rotary Shaft Oil Seals

🔩Double-Lip TC Design — The primary sealing lip retains lubricant while the secondary dust lip blocks dirt, water, and debris, giving you two lines of defense in a single rotary shaft oil seal.
🌀Garter Spring Loaded — An internal garter spring maintains consistent radial pressure on the shaft lip, compensating for minor shaft runout and preventing the seal from losing contact as the lip wears over time.
🧪NBR Nitrile Rubber Compound — Nitrile rubber resists petroleum-based oils, greases, and water across a typical operating range of -40°F to +250°F (-40°C to +120°C), making it the standard choice for gearbox and axle shaft seal replacements.
🏗️Carbon Steel Outer Case — The rigid steel shell provides a secure press-fit into the housing bore, preventing the seal from spinning or walking out under pressure or vibration.
📐250+ Size Variants in One Listing — Shaft diameters from 30mm to 65mm with matching OD and thickness options let you find the exact metric lip seal size for gearboxes, pumps, engines, and agricultural equipment without hunting across multiple listings.
📦Multi-Pack Value — Sets of 10 or 20 pieces mean you have spares on hand for fleet maintenance, production line rebuilds, or the next scheduled service interval — reducing downtime when a seal fails unexpectedly.

📐 Technical Specifications — NBR TC Double-Lip Shaft Oil Seal

Seal Type	TC (Double Lip with Garter Spring)
Material	NBR (Nitrile Butadiene Rubber) lip; Carbon steel outer case
Shaft Diameter (ID) Range	30mm–65mm (≈1.18"–2.56")
Outer Diameter (OD) Range	40mm–130mm (≈1.57"–5.12")
Thickness Range	5mm–13mm (≈0.20"–0.51")
Operating Temperature	Typically -40°F to +250°F (-40°C to +120°C)
Compatible Fluids	Petroleum-based oils and greases; water-resistant
Shaft Surface Speed	Generally up to 4–6 m/s under lubricated conditions
Quantity per Set	10 pcs or 20 pcs (see variant name)
Size Selection	See variant options (ID × OD × Thickness)
Application	Gearboxes, axles, pumps, engines, agricultural equipment
Country of Origin	Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right oil seal size?

Measure three dimensions: shaft diameter (ID), housing bore diameter (OD), and housing bore depth (thickness). All three must match the seal. For example, a 40×60×8mm seal fits a 40mm shaft, a 60mm housing bore, and needs 8mm of axial depth. To convert inches to mm, multiply by 25.4 — a 1.575" shaft is approximately 40mm. When in doubt, measure the old seal directly.

What does "TC" mean on an oil seal?

TC designates a double-lip seal. The primary lip retains lubricant and excludes contaminants; the secondary dust lip adds a second barrier against dirt and water. A garter spring behind the primary lip maintains consistent radial contact with the shaft for reliable sealing over the life of the seal.

What is the maximum operating temperature for these NBR seals?

NBR (nitrile rubber) generally operates reliably from approximately -40°F to +250°F (-40°C to +120°C). For sustained higher temperatures — such as near exhaust components or in high-speed hydraulic systems — a Viton (FKM) seal is typically the better choice.

Can these seals be used outdoors or in wet environments?

Yes. NBR has good resistance to water, petroleum-based oils, and greases, making these seals suitable for outdoor power equipment, agricultural machinery, and applications with water splash exposure. For full submersion or contact with fuels and solvents, confirm fluid compatibility before use.

Are these seals compatible with metric and SAE (standard) shafts?

All dimensions are metric (mm). Many metric sizes correspond closely to SAE shaft sizes — for example, a 32mm seal fits a shaft of approximately 1.26". Always verify actual measured shaft and housing dimensions rather than relying on nominal designations, as manufacturing tolerances vary.

How much rotational speed can these oil seals handle?

TC oil seals are designed for rotary shaft applications and are not rated for axial load. Under normal lubricated conditions, they are generally suitable for shaft surface speeds up to approximately 4–6 m/s (800–1,200 ft/min). Running dry or exceeding recommended speed will accelerate lip wear and reduce seal life.

How do I install a TC oil seal correctly?

Clean the housing bore and shaft. Lightly lubricate the seal lip with the fluid it will retain. Press the seal squarely into the bore using a flat driver or seal installation tool — never strike the seal face directly. The seal should sit flush with or slightly below the housing face. Use a chamfer or installation sleeve to protect the lip from sharp shaft edges during assembly.

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

NBR TC Rotary Shaft Oil Seal with Garter Spring | 30–65mm Shaft | 10 or 20 pcs

Name: NBR TC Rotary Shaft Oil Seal with Garter Spring | 30–65mm Shaft | 10 or 20 pcs
Brand: wellness-welten.net
SKU: 71945254671
Price: 25.95 USD
Availability: InStock
Rating: 4.7686 (1162 reviews)