TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring
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TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring

TC Oil Seal 26/27/28mm ID FKM Rubber Rotary Shaft Dual Lip Seal Ring

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Beschreibung

TC Oil Seal 26/27/28mm ID — FKM Rubber Dual Lip Rotary Shaft Seal That Actually Holds

If you've dealt with a leaking gearbox, a weeping pump shaft, or a dusty axle seal that failed prematurely, you know how much a poor-quality oil seal costs in cleanup, downtime, and rework. Mechanics, equipment technicians, and serious DIYers who work on small engines, agricultural machinery, hydraulic pumps, and light vehicle drivetrains need a seal they can trust — one that stays put under heat, pressure, and contamination.

Each seal in this listing is a TC-type (dual lip) skeleton oil seal with an inner diameter of 26mm, 27mm, or 28mm. The outer diameter ranges from 35mm to 62mm and thickness from 5mm to 12mm depending on the variant selected — for example, 28*42*7mm means 28mm ID × 42mm OD × 7mm thick (≈1.10" × 1.65" × 0.28"). The sealing element is FKM (Viton) rubber bonded to a steel skeleton, with a garter spring-loaded primary lip and a secondary dust exclusion lip. Available in packs of 1, 2, 5, or 10 pieces.

These TC oil seals are a direct-fit replacement for rotary shaft applications including small gearbox output shafts, hydraulic pump shafts, electric motor end shields, agricultural equipment PTO shafts, and light-duty axle housings where a 26–28mm shaft diameter is present. The FKM compound makes them a reliable choice for high-temperature rotary shaft sealing and chemical-resistant shaft seal applications.

🔵 Compatibility Note: These seals fit shafts with an inner diameter of 26mm, 27mm, or 28mm. Always verify all three dimensions — ID, OD, and thickness — against your housing before ordering. If your bore or depth differs from the listed variants, contact us to confirm the correct fit.

✅ Key Features of These TC FKM Rubber Oil Seals

  • 🔩TC Dual Lip Design — The primary spring-loaded lip retains lubricant while the secondary dust lip blocks contaminants, making this a more complete rotary shaft sealing solution than single-lip alternatives.
  • 🌡️FKM (Viton) Rubber Compound — Withstands temperatures typically from -20°C to +200°C (-4°F to +392°F), making these seals suitable for high-temperature rotary shaft sealing in engines, pumps, and industrial equipment.
  • 🛡️Steel Skeleton Reinforcement — The internal metal case maintains dimensional stability under press-fit installation and prevents the seal from distorting or walking out of the bore during operation.
  • ⚗️Chemical-Resistant Sealing — FKM rubber is broadly compatible with mineral oils, synthetic lubricants, hydraulic fluids, and fuels — a practical choice for chemical-resistant shaft seal applications across multiple industries.
  • 📐Wide Size Selection — Available in 54 size combinations across 26mm, 27mm, and 28mm IDs with ODs from 35mm to 62mm and thicknesses from 5mm to 12mm, covering a broad range of gearbox and pump shaft seal replacements.
  • 📦Flexible Pack Quantities — Order 1, 2, 5, or 10 pieces per size to match your job — whether it's a single repair or stocking a service kit for recurring maintenance on agricultural or industrial equipment.

📐 Technical Specifications — TC Skeleton FKM Oil Seal

Seal Type TC (Double Lip / Dual Lip)
Inner Diameter (ID) 26mm (≈1.02"), 27mm (≈1.06"), 28mm (≈1.10")
Outer Diameter (OD) 35mm – 62mm (≈1.38" – 2.44"); see variant options
Thickness 5mm – 12mm (≈0.20" – 0.47"); see variant options
Lip Material FKM (Fluoroelastomer / Viton)
Case / Skeleton Steel (metal-cased)
Spring Garter spring on primary lip
Temperature Range Typically -20°C to +200°C (-4°F to +392°F)
Compatible Fluids Mineral oil, synthetic oil, hydraulic fluid, fuel; see FAQ for exclusions
Installation Method Press-fit into housing bore
Packing Options 1 PCS / 2 PCS / 5 PCS / 10 PCS
Country of Origin Contact us to confirm
⚠️ Before You Order: Confirm your shaft OD (= seal ID), housing bore ID (= seal OD), and housing depth (= seal thickness). A seal that is even 0.5mm off in OD will not press-fit correctly and may leak or fall out.

❓ Frequently Asked Questions

How do I choose the right size TC oil seal for my application?

Measure three dimensions: the shaft diameter (this becomes the seal ID), the bore diameter in the housing (this becomes the seal OD), and the housing depth (this becomes the seal thickness). For example, a 28mm shaft in a 42mm bore with 7mm depth requires a 28*42*7mm seal. Always verify all three dimensions before ordering — a mismatch in any one will cause leakage or installation failure. If you're unsure, contact us to confirm.

What is the difference between a single lip and a dual lip TC oil seal?

A dual lip (TC type) seal has a primary sealing lip — spring-loaded against the shaft — that retains lubricant, and a secondary dust lip that excludes dirt, dust, and moisture from the outside. This makes TC seals generally more effective than single-lip (SC) seals in environments with external contamination, such as agricultural equipment, outdoor machinery, or dusty workshops.

What shaft speed and pressure can these FKM oil seals handle?

FKM rubber oil seals typically handle shaft surface speeds up to approximately 4–8 m/s under normal lubricated conditions. They are designed for low to moderate pressure differentials — generally not intended for high-pressure dynamic sealing. Exact ratings depend on the specific size, shaft finish, and operating temperature. For high-speed or pressurized applications, contact us to confirm suitability.

Are these oil seals suitable for outdoor or high-temperature use?

Yes. FKM (Viton) rubber generally withstands temperatures from approximately -20°C to +200°C (-4°F to +392°F) and offers excellent resistance to UV, ozone, oils, fuels, and many chemicals. This makes it well-suited for outdoor equipment, engines, and high-temperature industrial applications where standard NBR rubber seals would degrade prematurely.

What lubricants and fluids are compatible with FKM oil seals?

FKM seals are generally compatible with mineral oils, synthetic oils (PAO, ester-based), hydraulic fluids, fuels, and many aggressive chemicals including acids and aromatic hydrocarbons. They are typically not recommended for use with ketones (MEK, acetone), certain glycol-based fluids, or hot steam. When in doubt, verify chemical compatibility with your specific fluid before installation.

How do I install a TC skeleton oil seal correctly?

Clean the housing bore and shaft thoroughly. Lightly lubricate the seal lip with the fluid being sealed (or clean grease). Press the seal squarely into the bore using a seal driver or a flat plate that contacts the outer case — never hammer directly on the seal face or lip. Ensure the seal sits flush or slightly below the housing surface. Protect the lip from sharp shaft edges or keyways during installation using a sleeve or tape.

Can I use these seals on gearboxes, pumps, or axles?

Yes. TC skeleton oil seals with 26–28mm IDs are commonly used in small gearboxes, hydraulic pumps, electric motors, agricultural equipment PTO shafts, and light vehicle axle housings. Always confirm the shaft diameter, bore size, and operating conditions match the selected variant. If you need help cross-referencing an OEM part number, contact us with your equipment details.

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

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