TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm
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TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mmTC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm

TC Skeleton Oil Seal FKM Double Lip Rotary Shaft Seal — 10mm Height, ID 12–90mm

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Price:
$7.40 USD
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In stock (500 units), ready to be shipped

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Description

TC FKM Double Lip Oil Seal — Stop Leaks on Rotating Shafts, 10mm Height

When a worn or cracked shaft seal lets oil escape — or lets dirt in — the damage spreads fast. Whether you're rebuilding a gearbox, servicing a pump, or replacing a leaking axle seal, finding the exact replacement TC FKM double lip oil seal in the right dimensions is the first step to a clean, lasting repair. These seals are sized for mechanics, equipment technicians, and serious DIYers who need a reliable rotary shaft seal without hunting through a dealer's parts catalog.

Each seal follows the TC (double-lip skeleton) profile: a rigid steel inner skeleton bonded to an FKM fluoroelastomer body, with a primary sealing lip and a secondary dust-exclusion lip. The height is a fixed 10mm (≈3/8") across all variants. Inner diameter (ID) ranges from 12mm (≈15/32") to 90mm (≈3-1/2"), and outer diameter (OD) ranges from 27mm to 120mm depending on the size selected — see the variant selector for the exact ID × OD × Height combination you need. Available in 1 PCS or 5 PCS packs.

Typical use cases include automotive differential and transmission seals, industrial gearbox output shaft seals, hydraulic pump shaft seals, and agricultural equipment axle seals — anywhere a TC rotary shaft seal with FKM chemical resistance is required.

🔵 Compatibility Note: Select your size by ID × OD × Height (e.g., 30 × 52 × 10mm). Measure your shaft OD for the seal ID, and your housing bore for the seal OD. All variants share a 10mm height. If your exact size is not listed, contact us to confirm.

✅ Key Features of These TC FKM Double Lip Rotary Shaft Oil Seals

  • 🛡️FKM Fluoroelastomer Lip — Resists petroleum oils, synthetic lubricants, ATF, hydraulic fluids, and many chemicals; typically rated from −20°C to +200°C (−4°F to +392°F), making it suitable where standard NBR seals fail.
  • 🔩TC Double-Lip Design — The primary lip retains lubricant while the secondary dust lip blocks contaminants from reaching the shaft, the standard configuration for rotating shaft seals in automotive and industrial equipment.
  • ⚙️Rigid Steel Skeleton — The inner metal carrier maintains the seal's round shape during press-fit installation and prevents distortion under housing pressure, ensuring consistent contact around the full shaft circumference.
  • 📐Wide Size Range — ID 12–90mm, OD 27–120mm, fixed 10mm height; over 100 size combinations available in a single listing, covering a broad range of gearbox, pump, and axle shaft seal applications.
  • 🔄Direct-Replacement Fit — Dimensions follow standard TC oil seal sizing conventions, so these seals are generally interchangeable with OEM and aftermarket parts of the same ID × OD × Height specification.
  • 📦Flexible Pack Quantities — Order 1 PCS for a single repair or 5 PCS for workshop stock; the 5-pack reduces per-unit cost for fleet maintenance or recurring seal replacement schedules.

📐 Technical Specifications — TC FKM Double Lip Oil Seal

Seal Type TC (Double Lip, Skeleton)
Lip Material FKM (Fluoroelastomer / Viton®-type)
Inner Skeleton Steel (carbon steel carrier)
Height (Width) 10mm (≈3/8") — all variants
Inner Diameter (ID) 12mm–90mm (≈15/32"–3-1/2") — see variant options
Outer Diameter (OD) 27mm–120mm — see variant options
Operating Temperature Typically −20°C to +200°C (−4°F to +392°F)
Fluid Compatibility Petroleum oils, synthetic oils, ATF, hydraulic fluids, gear oils (generally); verify for specific fluids
Shaft Surface Finish Typically Ra 0.2–0.8 μm recommended
Pack Quantity 1 PCS or 5 PCS — see variant options
Color / Finish Black lip / silver-tone steel skeleton
Country of Origin See variant options / Contact us to confirm
⚠️ Installation Tip: Always press the seal in squarely using a seal driver or a flat block — never hammer directly on the lip. Apply a thin film of clean grease to the lip before installation. Verify shaft surface finish and housing bore diameter before ordering.

❓ Frequently Asked Questions

How do I choose the right size TC oil seal?

Measure three dimensions: shaft diameter (= seal ID), housing bore diameter (= seal OD), and housing depth (= seal height). All three must match. For example, a 25 × 50 × 10mm seal fits a 25mm (≈1.0") shaft, a 50mm (≈2.0") bore, and a 10mm (≈3/8") housing depth. When in doubt, prioritize the shaft diameter — the ID must be a snug fit on the shaft.

What does FKM mean and why does it matter for oil seals?

FKM is a fluoroelastomer (commonly known by the trade name Viton®). It generally withstands temperatures from about −20°C to +200°C (−4°F to +392°F) and resists petroleum oils, synthetic lubricants, hydraulic fluids, and many chemicals better than standard NBR (nitrile) rubber. If your application runs hot or uses aggressive fluids, FKM is typically the right choice over NBR.

Can these seals be used outdoors or in wet environments?

FKM has good resistance to moisture and weathering. The steel skeleton is generally not stainless, so prolonged direct water exposure may cause surface rust on the metal carrier over time. For fully submerged or marine applications, confirm compatibility with your specific conditions before ordering. The secondary dust lip does help exclude water splash in most outdoor equipment applications.

What is the difference between a single-lip and a double-lip TC seal?

A single-lip seal retains lubricant on one side only. The TC double-lip design adds a secondary dust lip that faces outward, blocking contaminants such as dirt, water, and debris from reaching the primary sealing lip. TC seals are the standard choice for most rotating shaft applications in automotive and industrial equipment because of this added protection.

How much shaft runout or misalignment can these seals handle?

TC skeleton oil seals generally tolerate minor shaft runout and slight misalignment, but they are not designed for heavy eccentricity. For best results, shaft surface finish should typically be Ra 0.2–0.8 μm and the shaft should run true within the seal's design tolerance. Excessive runout will accelerate lip wear and shorten seal life.

Are these seals compatible with synthetic oils and ATF?

FKM is generally compatible with most synthetic motor oils, automatic transmission fluids (ATF), and gear oils. It is also typically resistant to brake fluid (DOT 3/4) and many hydraulic fluids. Always verify compatibility with the specific fluid in your application if you are unsure — particularly for specialty or racing fluids.

Should I buy 1 PCS or 5 PCS?

The 1 PCS option is ideal for a single repair or replacement. The 5 PCS pack offers a lower per-unit cost and is a good choice for fleet maintenance, workshop stock, or any application where you expect to replace seals periodically — such as scheduled service intervals on agricultural or construction equipment.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

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