What is the load or pressure rating of these oil seals?

TC-type oil seals are generally designed for low-to-medium pressure applications. They are typically rated for shaft speeds up to 4-8 m/s and pressures up to 0.05 MPa under standard conditions. For high-speed or high-pressure applications, please contact us to confirm suitability.

What shaft standards are these seals compatible with?

These TC oil seals are compatible with standard metric rotary shafts following DIN 3760 / ISO 6194 dimensional standards. Always verify the ID, OD, and height match your application before installation.

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

TC seals have a double lip design with a primary sealing lip and a secondary dust lip. SC seals have a single lip. TC seals are generally preferred for gearboxes, pumps, and wheel hubs where both oil retention and dust exclusion are needed.

Can I use these seals in a gearbox or hydraulic pump?

Yes, TC-type NBR oil seals are commonly used in gearboxes, hydraulic pumps, electric motors, and agricultural equipment. Confirm shaft speed and fluid compatibility before installation.

How do I install an oil seal correctly?

Clean the housing bore and shaft. Lightly lubricate the seal lip with the fluid it will be sealing. Press the seal squarely into the bore using a seal driver or flat plate. Ensure the seal is flush or slightly below the housing surface. Avoid nicking the lip during installation.

NBR TC Double Lip Oil Seal Ring for Rotary Shaft — 40mm to 230mm ID

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NBR TC Double Lip Oil Seal Ring for Rotary Shaft — 40mm to 230mm ID

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Size(ID*OD*Height): 40*50*10mm

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NBR TC Double Lip Oil Seal Ring — Stop Leaks on Rotary Shafts from 40mm to 230mm

If you have ever dealt with a leaking gearbox, a weeping pump shaft, or a wheel hub that keeps losing grease, you know how quickly a failed oil seal turns a minor maintenance job into a costly repair. Mechanics, equipment operators, and DIY machinists who work with rotating shafts need a seal they can trust to stay put — one that keeps oil in and contaminants out, shift after shift.

Each seal in this listing is a TC-type double lip skeleton oil seal made from NBR (Nitrile Butadiene Rubber) with a carbon steel reinforcement shell. The TC design includes a primary sealing lip that contacts the shaft and a secondary dust exclusion lip. Sizes span 40mm to 230mm inner diameter, with outer diameters and heights varying by size — for example, 40x62x10mm (approx. 1.57" x 2.44" x 0.39") or 120x150x12mm (approx. 4.72" x 5.91" x 0.47"). Select your exact ID x OD x Height from the variant dropdown above.

These NBR TC oil seals are widely used as rotary shaft seals for gearboxes, as double lip oil seals for hydraulic pumps, and as replacement wheel hub grease seals in agricultural machinery, industrial motors, and automotive drivetrain components. The metric sizing follows DIN 3760 / ISO 6194 dimensional conventions, making them a straightforward drop-in for standard metric housings.

🔵 Compatibility Note: These seals fit standard metric bore housings. Always verify ID (shaft diameter) x OD (bore diameter) x Height against your application before ordering. If your shaft has surface damage or runout, seal life may be reduced.

✅ Key Features of These NBR TC Double Lip Oil Seals

🔒Double Lip TC Design — The primary lip seals against oil and grease loss while the secondary dust lip blocks dirt, debris, and moisture from entering the housing — ideal for double lip oil seals for gearboxes and pump applications.
🧱NBR Rubber Construction — Nitrile Butadiene Rubber provides solid resistance to petroleum-based oils, hydraulic fluids, and greases across a typically rated temperature range of -40F to +250F (-40C to +120C).
🔩Carbon Steel Reinforcement Shell — The metal skeleton maintains dimensional stability under press-fit installation and prevents the seal from distorting in the bore during operation.
📐249 Sizes Available — Inner diameters from 40mm to 230mm (approx. 1.57" to 9.06") with multiple OD and height combinations per shaft size, covering a broad range of metric rotary shaft seal replacements.
⚙DIN 3760 / ISO 6194 Compatible Dimensions — Metric sizing follows widely adopted international standards, making these seals a straightforward fit for standard European and Asian metric housings without custom machining.
🚜Broad Application Range — Suitable for agricultural equipment oil seals, industrial gearboxes, electric motor shafts, hydraulic cylinders, and wheel hub assemblies where reliable lip sealing is required.

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

Seal Type	TC (Double Lip, Skeleton)
Material	NBR (Nitrile Butadiene Rubber) + Carbon Steel Shell
Lip Configuration	Primary sealing lip + secondary dust exclusion lip
Inner Diameter (ID) Range	40mm to 230mm (approx. 1.57" to 9.06")
Outer Diameter (OD)	See variant options
Height (Width)	See variant options (typically 5mm to 18mm)
Dimensional Standard	DIN 3760 / ISO 6194 (metric)
Operating Temperature	Typically -40C to +120C (-40F to +250F)
Max Shaft Speed	Typically up to 4-8 m/s (contact us for high-speed use)
Pressure Rating	Generally up to 0.05 MPa (low-to-medium pressure)
Fluid Compatibility	Petroleum-based oils, hydraulic fluids, greases, water
Quantity per Order	1 Pcs (select quantity in variant)
Color / Finish	Black rubber / bare steel shell
Installation Method	Press-fit into bore housing

⚠ Sizing Tip: The size format is ID x OD x Height in millimeters. Measure your shaft (ID), bore housing (OD), and housing depth (Height) with calipers before selecting a variant. When in doubt, contact us to confirm.

❓ Frequently Asked Questions

How do I choose the right oil seal size?

Measure three dimensions with calipers: the shaft diameter (ID), the bore housing diameter (OD), and the housing depth (Height). The size is listed as ID x OD x Height in mm. For example, 40x62x10mm means a 40mm shaft, 62mm bore, and 10mm height. In inches: 40mm is approx. 1.57", 62mm is approx. 2.44", 10mm is approx. 0.39". If you are unsure of your measurements, contact us before ordering.

What is the pressure and load rating of these seals?

TC-type oil seals are generally designed for low-to-medium pressure applications, typically up to 0.05 MPa. They are generally rated for shaft surface speeds up to 4-8 m/s under standard conditions. For high-speed spindles or high-pressure hydraulic circuits, please contact us to confirm suitability before ordering.

Are these seals suitable for outdoor or wet environments?

NBR rubber offers good resistance to petroleum-based oils, greases, and water, making it generally suitable for outdoor use in moderate conditions. However, NBR is not recommended for prolonged exposure to ozone, direct UV, or aromatic solvents. For harsh outdoor or chemical environments, a VITON (FKM) seal may be more appropriate.

What shaft and housing standards are these seals compatible with?

These TC oil seals follow DIN 3760 / ISO 6194 metric dimensional conventions, widely used in European and Asian machinery. They are designed for standard metric bore housings and rotary shafts. Always verify that the ID, OD, and height match your specific housing before installation.

What is the difference between a TC seal and an SC or SB seal?

TC seals have a double lip — a primary sealing lip that retains oil and a secondary dust lip that excludes contaminants. SC seals have a single lip with no dust exclusion. TC seals are generally preferred for gearboxes, pumps, and wheel hubs where both oil retention and contamination exclusion are needed. SB seals typically have a single lip with a metal outer case.

Can I use these seals in a gearbox, hydraulic pump, or wheel hub?

Yes. NBR TC double lip oil seals are commonly used in gearboxes, hydraulic pumps, electric motors, agricultural equipment, and wheel hub assemblies. They are designed to retain lubricants and exclude dust and moisture. Confirm shaft speed, fluid type, and operating temperature are within the NBR rating before installation.

How do I install an oil seal without damaging it?

Clean the bore housing and shaft thoroughly. Lightly lubricate the seal lip with the fluid it will be sealing. 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 seal sits flush or slightly below the housing surface. Protect the seal lip from sharp shaft edges during installation by using a sleeve or tape over keyways and threads.

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

NBR TC Double Lip Oil Seal Ring for Rotary Shaft — 40mm to 230mm ID

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Beschreibung

NBR TC Double Lip Oil Seal Ring — Stop Leaks on Rotary Shafts from 40mm to 230mm

✅ Key Features of These NBR TC Double Lip Oil Seals

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

❓ Frequently Asked Questions

NBR TC Double Lip Oil Seal Ring for Rotary Shaft — 40mm to 230mm ID

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