FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm
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FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mmFKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm

FKM TC Oil Seal – Fluorine Rubber Rotary Shaft Seal, ID 12–52mm, OD 25–100mm

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Beschreibung

FKM TC Oil Seal — Stop Leaks and Contamination on High-Heat Rotating Shafts

If you've dealt with oil weeping past a worn shaft seal — or watched a standard rubber seal crack and harden in a hot engine bay — you know how quickly a small leak turns into a costly repair. Mechanics, equipment technicians, and serious DIYers working on engines, gearboxes, pumps, and agricultural machinery need a rotary shaft seal that holds up where ordinary NBR rubber fails. This FKM TC Simmerring oil seal is built for exactly those demanding conditions.

Each seal is made from FKM fluorine rubber (Viton®-type) with a steel-reinforced TC frame. The inner diameter range covers 12mm (≈1/2") to 52mm (≈2"), outer diameters from 25mm (≈1") to 100mm (≈3-15/16"), and seal thickness from 5mm (≈3/16") to 12mm (≈1/2"). Seals are brown in color — characteristic of FKM compound — with a hardness of 70 Shore A. Select your specific ID × OD × thickness combination from the variant options above.

Typical applications include automotive crankshaft and camshaft seals, industrial gearbox output shaft seals, hydraulic pump shaft seals, and agricultural equipment axle seals where exposure to petroleum oils, fuels, or elevated temperatures would degrade a standard nitrile seal. The metric TC design also makes these a direct replacement for many European and Asian OEM rotary shaft seal specifications.

🔵 Compatibility Note: These are metric TC oil seals. Verify your shaft ID, housing bore OD, and housing depth before ordering. Dimensions are in millimeters — convert inches to mm (×25.4) if needed. Not compatible with ketones, hot steam, or EPDM-only fluid systems.

✅ Key Features of These FKM TC Rotary Shaft Oil Seals

  • 🌡️Extreme Temperature Resistance — Rated -30°C to 250°C (-22°F to 482°F), this fluorine rubber rotary shaft seal stays flexible and effective where standard NBR seals harden, crack, or extrude.
  • 🛡️TC Double-Lip Design — The twin-contact lip configuration seals lubricant in with the primary lip while the secondary dust lip actively excludes dirt, grit, and moisture — critical for gearbox and axle seal applications.
  • ⚗️FKM Chemical Resistance — FKM fluorine rubber resists petroleum oils, hydraulic fluids, fuels, and many synthetic lubricants that would swell or degrade nitrile (NBR) or silicone seals over time.
  • 🔩Steel-Reinforced TC Frame — The rigid metal case ensures the seal presses squarely into the housing bore and maintains concentricity under radial load, reducing the risk of lip distortion or blowout.
  • 📐Wide Metric Size Range — ID 12–52mm and OD 25–100mm covers a broad spectrum of shaft sizes, making these seals a practical stock item for workshops servicing multiple equipment types.
  • 🔄Direct OEM Replacement Fit — Manufactured to metric TC Simmerring dimensions, these seals are generally interchangeable with European and Asian OEM rotary shaft seal specifications across automotive, industrial, and agricultural platforms.

📐 Technical Specifications — FKM TC Rotary Shaft Oil Seal

Seal Type TC (Twin Contact / Double Lip) Simmerring
Material FKM Fluorine Rubber (Viton®-type) with steel reinforcement
Color Brown
Hardness 70 Shore A
Inner Diameter (ID) 12mm–52mm (≈1/2"–2")
Outer Diameter (OD) 25mm–100mm (≈1"–3-15/16")
Thickness 5mm–12mm (≈3/16"–1/2")
Temperature Range -30°C to 250°C (-22°F to 482°F)
Compatible Fluids Petroleum oils, hydraulic fluids, fuels, synthetic lubricants (see compatibility note)
Incompatible Fluids Ketones, certain esters, hot steam — contact us to confirm
Dimension Standard Metric (mm)
Quantity per Order See variant options
⚠️ Sizing Note: Due to measurement tool variation, a ±2mm dimensional difference is possible. Please confirm your exact shaft and housing dimensions before installation. If you are unsure which size fits your application, contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right size FKM TC oil seal?

Measure the shaft inner diameter (ID) and the housing bore outer diameter (OD), then match them to the seal dimensions. This listing covers ID 12–52mm and OD 25–100mm. If you are converting from inches, 1 inch ≈ 25.4mm — for example, a 1" shaft corresponds to approximately 25mm ID. Always verify the housing depth against the seal thickness (typically 5–12mm for this range) before ordering.

What temperature range can this FKM oil seal handle?

This seal is rated for -30°C to 250°C (-22°F to 482°F), making it suitable for high-heat engine environments, industrial machinery, and applications where standard NBR seals would degrade. FKM generally maintains its sealing properties across this range without significant hardening or softening.

What fluids is this FKM seal compatible with?

FKM (Viton®-type) fluorine rubber generally resists petroleum-based oils, hydraulic fluids, fuels, synthetic lubricants, and many aggressive chemicals. It is not typically recommended for ketones (e.g., MEK, acetone), certain esters, or hot water/steam applications. If you are sealing an unusual fluid, contact us to confirm compatibility before ordering.

What does TC mean in TC oil seal?

TC stands for Twin Contact — the seal features a double lip design. The primary lip retains lubricant while the secondary dust lip prevents contaminants from entering the bearing or housing. This provides better protection than single-lip (SC) seals, especially in dirty or outdoor environments.

Can I use this seal outdoors or in dirty environments?

Yes. The TC double-lip design includes a secondary dust exclusion lip that helps keep dirt, debris, and moisture out of the housing. FKM material also offers good UV and ozone resistance, making it generally suitable for outdoor machinery, agricultural equipment, and construction vehicles.

Is this a metric or imperial seal?

This is a metric TC oil seal. Dimensions are specified in millimeters (ID 12–52mm, OD 25–100mm, thickness 5–12mm). If your equipment uses inch-based dimensions, please convert before ordering — for example, 1.5" ID ≈ 38mm, 2" OD ≈ 51mm. When in doubt, measure directly with calipers rather than relying on part numbers alone.

How do I install a TC rotary shaft 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 a flat block — never hammer directly on the seal face. Ensure the seal sits flush or just below the housing surface. Avoid nicking the lip on keyways or splines during installation, as even minor lip damage can cause immediate leakage.

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

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