TC Oil Seal 160mm–330mm Inner Dia | R23 Double Lip NBR Rotary Shaft Seal

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TC Oil Seal 160mm–330mm Inner Dia | R23 Double Lip NBR Rotary Shaft Seal

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Size(ID x OD x Height): 160 x 180 x 10mm

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TC Oil Seal 160–330mm Inner Diameter — Stop Leaks with the Right R23 Double Lip Rotary Shaft Seal

Leaking gearboxes, dripping axle housings, and contaminated bearings are costly headaches for equipment operators, maintenance technicians, and DIY mechanics alike. A worn or incorrectly sized rotary shaft seal is often the culprit — and finding an exact metric replacement in a large bore range shouldn't require a special order. These TC oil seals cover inner diameters from 160mm (approx. 6.30") to 330mm (approx. 12.99"), giving you a single source for large-bore shaft sealing across a wide range of industrial and agricultural equipment.

Each seal follows the R23 TC (twin-contact / double-lip) arrangement per ISO 6194 / DIN 3760. The body is constructed with an NBR (nitrile rubber) elastomer bonded to a steel case, with a garter spring-loaded primary lip for consistent radial contact force. Sizes are expressed as ID x OD x Height (all in mm) — for example, 200 x 230 x 15mm fits a 200mm (approx. 7.87") shaft, a 230mm (approx. 9.06") bore, and a 15mm (approx. 0.59") housing depth. Available in multiple ID/OD/height combinations; select your exact size from the variant dropdown above.

Typical applications include agricultural tractor PTO shafts and rear axle housings, industrial gearbox output shafts, construction equipment wheel hubs, and large pump shaft sealing — anywhere a metric large-bore TC rotary shaft seal is needed to retain gear oil or grease while excluding dirt and moisture.

ℹ️ Compatibility Note: Dimensions follow metric ISO/DIN standards. Verify your shaft ID, housing bore OD, and housing depth (height) with a caliper before ordering. The variant label format is ID x OD x Height (mm).

✅ Key Features of These TC Double Lip NBR Oil Seals

🔒R23 Double-Lip (TC) Design — Primary garter-spring-loaded lip retains lubricant; secondary dust lip blocks dirt, water, and contaminants for more reliable shaft sealing than single-lip alternatives.
📐Wide Large-Bore Size Range — Covers inner diameters from 160mm (approx. 6.30") to 330mm (approx. 12.99") with multiple OD and height combinations, reducing the need to source from multiple suppliers for large metric rotary shaft seals.
🧱NBR Elastomer with Steel Case — Nitrile rubber compound provides resistance to petroleum-based oils, gear lubricants, water, and mild chemicals; the rigid steel outer case ensures a secure press-fit in the housing bore.
🌡️Broad Operating Temperature Range — NBR compound is generally rated for continuous use from -40°F to +212°F (-40°C to +100°C), suitable for most outdoor agricultural and industrial shaft sealing environments.
🔄ISO 6194 / DIN 3760 R23 Standard — Metric dimensions are interchangeable with seals from major manufacturers sharing the same ID x OD x Height specification, simplifying replacement sourcing for maintenance teams.
⚙️Garter Spring-Loaded Primary Lip — The integrated garter spring maintains consistent radial lip contact force as the lip wears over time, extending service life compared to springless seal designs in rotary shaft applications.

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

Seal Type	TC (R23 Double Lip / Twin Contact)
Lip Material	NBR (Nitrile Butadiene Rubber)
Case Material	Steel (carbon steel outer case)
Spring Type	Garter spring (primary lip)
Standard	ISO 6194 / DIN 3760 R23
Inner Diameter (ID) Range	160mm (approx. 6.30") to 330mm (approx. 12.99")
Outer Diameter (OD) Range	180mm (approx. 7.09") to 380mm (approx. 14.96") — see variant options
Height (Width) Range	10mm (approx. 0.39") to 25mm (approx. 0.98") — see variant options
Operating Temperature	Typically -40°F to +212°F (-40°C to +100°C)
Max Dynamic Pressure	Typically up to 0.3 bar (4.4 psi) — contact us to confirm
Shaft Surface Speed	Typically up to 4–6 m/s — contact us to confirm
Fluid Compatibility	Petroleum-based oils, gear lubricants, water, mild chemicals
Lip Arrangement	Primary sealing lip (lubricant side) + secondary dust exclusion lip
Quantity per Order	1 piece per variant selected
Size Selection Format	ID x OD x Height (all dimensions in mm)

⚠️ Before You Order: Measure your shaft diameter (ID), housing bore (OD), and housing depth (Height) with a caliper. Do not rely on worn seal dimensions alone — housings can be bored oversize. If you are unsure of your size, contact us to confirm before purchasing.

❓ Frequently Asked Questions

How do I choose the right TC oil seal size?

Measure three dimensions with a caliper: the shaft diameter (= Inner Diameter / ID), the housing bore (= Outer Diameter / OD), and the housing depth (= Height). Match all three to the variant listed as ID x OD x Height. For example, a 200 x 230 x 15mm seal fits a 200mm (approx. 7.87") shaft, a 230mm (approx. 9.06") bore, and a 15mm (approx. 0.59") housing depth. When in doubt, confirm with a fresh measurement — do not rely on the worn seal's dimensions alone.

What does "TC" mean in TC oil seal?

TC refers to the R23 double-lip (twin-contact) design. The primary lip (with garter spring) retains lubricant and excludes contaminants, while the secondary dust lip provides an additional barrier against dirt, water, and debris. TC seals are generally more reliable than single-lip (SC) seals in environments with external contamination.

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

TC rotary shaft seals of this type are typically designed for low-to-medium pressure applications — generally up to 0.3 bar (4.4 psi) dynamic pressure. They are not intended for high-pressure hydraulic circuits. For exact pressure ratings for your specific size and application, contact us to confirm.

Can these seals be used outdoors or in wet environments?

Yes, in most cases. NBR (nitrile rubber) offers good resistance to water, petroleum-based oils, and mild chemicals, making these seals suitable for outdoor agricultural and industrial equipment. However, NBR is generally not recommended for prolonged exposure to ozone, strong acids, or ketone-based fluids. For highly aggressive chemical environments, FKM (Viton) alternatives may be more appropriate.

What shaft speed and temperature range are these seals rated for?

NBR TC oil seals are generally rated for shaft surface speeds up to approximately 4–6 m/s and operating temperatures typically between -40°F and +212°F (-40°C to +100°C). Actual performance depends on the specific size, lubrication conditions, and application. Contact us to confirm suitability for high-speed or extreme-temperature applications.

Are these seals compatible with metric shafts and standard housings?

Yes. All dimensions are metric (mm) and follow the ISO 6194 / DIN 3760 R23 standard. These seals are generally interchangeable with seals from major manufacturers (SKF, FAG, NSK, etc.) that share the same ID x OD x Height metric dimensions. Always verify the three dimensions match before installation.

How do I install a TC rotary shaft seal correctly?

1. Clean the housing bore and shaft thoroughly. 2. Lightly lubricate the seal lips with the fluid being sealed. 3. Press the seal squarely into the housing using a seal driver or flat plate — never hammer directly on the seal face. 4. Ensure the primary lip faces the lubricant side (inward). 5. Protect the lip from sharp edges, keyways, or splines during installation using a sleeve or tape.

What equipment are these large-bore TC oil seals typically used on?

Common applications include agricultural tractor PTO shafts, rear axle housings, and differential seals; industrial gearbox output shafts; construction equipment wheel hubs and final drives; large pump shaft sealing; and marine or heavy equipment drivetrain components — anywhere a metric large-bore TC rotary shaft seal in the 160–330mm ID range is needed.

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

TC Oil Seal 160mm–330mm Inner Dia | R23 Double Lip NBR Rotary Shaft Seal

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Beschreibung

TC Oil Seal 160–330mm Inner Diameter — Stop Leaks with the Right R23 Double Lip Rotary Shaft Seal

✅ Key Features of These TC Double Lip NBR Oil Seals

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

❓ Frequently Asked Questions

TC Oil Seal 160mm–330mm Inner Dia | R23 Double Lip NBR Rotary Shaft Seal

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