TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring
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TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal RingTC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring

TC Oil Seal ID 30 32 34mm FKM Rubber Rotary Shaft Dual Lip Seal Ring

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By HomeDIYer®

Price:
$3.59 USD
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In stock (500 units), ready to be shipped

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Description

TC Oil Seal ID 30–34mm — FKM Dual Lip Rotary Shaft Sealing for Demanding Applications

When a worn or incorrect shaft seal lets oil escape or contaminants in, the damage spreads fast — to bearings, gears, and the equipment itself. Mechanics, maintenance technicians, and equipment builders who work with pumps, gearboxes, electric motors, and agricultural machinery need a seal they can trust to hold under heat, pressure, and continuous rotation. These TC skeleton oil seals with FKM rubber construction are built for exactly those conditions.

Each seal is a single-piece TC (double-lip) skeleton oil seal. The inner diameter (ID) ranges from 30mm (≈1.18") to 34mm (≈1.34"), with outer diameters (OD) from 40mm (≈1.57") up to 85mm (≈3.35"), and thickness options from 4.5mm (≈0.18") to 12mm (≈0.47"). The sealing element is FKM (fluoroelastomer) rubber bonded to a steel skeleton insert, with a garter spring behind the primary lip to maintain consistent radial load. Available in 1 PCS or 5 PCS packs to suit single repairs or workshop stock.

These FKM rotary shaft seal rings are commonly used as gearbox output shaft seals, hydraulic pump shaft seals, electric motor end-cap seals, and agricultural equipment axle seals — anywhere a reliable dual lip oil seal for rotating shafts is required in high-temperature or chemically aggressive environments.

🔵 Compatibility Note: These seals fit shafts with an ID of 30mm, 32mm, or 34mm. Always verify the shaft diameter, housing bore (OD), and housing depth (thickness) before ordering. Shaft surface finish of Ra ≤ 0.8 µm is generally recommended for optimal sealing life.

✅ Key Features of These TC FKM Dual Lip Oil Seals

  • 🔥 FKM Fluoroelastomer Rubber — Withstands continuous temperatures typically up to 200°C (392°F), outperforming standard NBR seals in high-heat gearbox and pump shaft sealing applications.
  • 💧 Dual Lip TC Design — The primary lip retains lubricant while the secondary lip excludes dust, dirt, and moisture — a critical advantage for outdoor and agricultural rotary shaft seal applications.
  • 🔩 Steel Skeleton Insert — The rigid metal case maintains dimensional stability during press-fit installation into the housing bore, preventing distortion and ensuring a consistent seal-to-housing interface.
  • 🌀 Garter Spring Loaded Lip — An internal garter spring applies continuous radial pressure on the shaft, compensating for minor shaft runout and maintaining sealing contact throughout the service life of the rotary shaft seal.
  • ⚗️ Broad Chemical Resistance — FKM rubber is generally compatible with petroleum oils, synthetic lubricants, hydraulic fluids, and fuels — making these seals suitable for demanding fluid environments where NBR would degrade.
  • 📐 Wide Size Selection — With ID options of 30mm, 32mm, and 34mm paired with multiple OD and thickness combinations, you can find the exact replacement seal for a broad range of gearbox, motor, and pump housings without custom ordering.

📐 Technical Specifications — TC Skeleton FKM Oil Seal

Seal Type TC (Double Lip / Dual Lip) Skeleton Oil Seal
Inner Diameter (ID) 30mm (≈1.18"), 32mm (≈1.26"), 33mm (≈1.30"), 34mm (≈1.34")
Outer Diameter (OD) 40mm – 85mm (≈1.57" – 3.35"); see variant options
Thickness 4.5mm – 12mm (≈0.18" – 0.47"); see variant options
Sealing Material FKM (Fluoroelastomer / Viton®-type) Rubber
Insert / Case Material Steel skeleton (metal-cased)
Spring Type Garter spring (internal, behind primary lip)
Lip Configuration Dual lip — primary sealing lip + secondary dust exclusion lip
Operating Temperature Typically -20°C to +200°C (-4°F to +392°F)
Pressure Rating Suitable for low-pressure dynamic shaft sealing; contact us to confirm for pressurized systems
Shaft Speed Generally up to 4–8 m/s (shaft surface finish Ra ≤ 0.8 µm recommended)
Fluid Compatibility Petroleum oils, synthetic oils, hydraulic fluids, fuels; not recommended for ketones or esters
Packing Options 1 PCS or 5 PCS per order
Application Gearboxes, pumps, electric motors, agricultural equipment, industrial machinery
⚠️ Size Confirmation: The variant label format is ID × OD × Thickness (e.g., 30*50*8mm). Measure your shaft diameter, housing bore, and housing depth before selecting a size. If you are unsure, contact us to confirm the correct fit.

❓ Frequently Asked Questions

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

Match the seal's Inner Diameter (ID) to your shaft diameter, the Outer Diameter (OD) to your housing bore, and the thickness to your housing depth. For example, a 30mm shaft in a 50mm bore with an 8mm housing depth requires a 30*50*8mm seal. In inches: 30mm ≈ 1.18", 50mm ≈ 1.97", 8mm ≈ 0.31". Always measure your components directly rather than relying on worn seal dimensions, as seals can distort over time.

What is the temperature range for FKM rubber oil seals?

FKM (fluoroelastomer) seals typically operate from approximately -20°C (-4°F) to +200°C (+392°F) continuously. This generally makes them suitable for high-temperature gearbox and pump applications where standard NBR seals (rated to around 120°C) would fail prematurely. For cryogenic or extreme cold applications, consult us for alternative materials.

Can these dual lip oil seals handle outdoor and wet environments?

Yes. The TC dual lip design is specifically engineered for environments where external contamination is a concern. The secondary lip acts as a wiper to exclude mud, water, and dust from reaching the primary sealing lip. This makes TC-type seals a common choice for agricultural equipment axles, outdoor power equipment, and construction machinery — anywhere a rotary shaft seal must resist both internal leakage and external ingress.

Are these seals compatible with synthetic oils and hydraulic fluids?

FKM rubber is generally compatible with petroleum-based oils, most synthetic lubricants (PAO, mineral-based), hydraulic fluids, and fuels. It is not typically recommended for use with ketones (MEK, acetone), esters, or certain amines. If your application uses an unusual fluid, contact us to confirm compatibility before ordering.

What shaft surface finish is required for these rotary shaft seals?

For optimal sealing life, a shaft surface roughness of Ra ≤ 0.8 µm (32 µin) is generally recommended in the sealing contact zone. The shaft should also be free of burrs, nicks, and spiral machining marks. A lead-in chamfer on the shaft end helps prevent lip damage during installation. Shaft hardness of 45–60 HRC in the contact area is typically preferred for longer seal life.

How do I install a TC skeleton oil seal correctly?

Clean the housing bore and shaft thoroughly before installation. Apply a thin film of the system lubricant to the seal lips and the shaft surface. Press the seal squarely into the housing bore using a seal driver or a flat plate — never hammer directly on the seal face. The seal should be flush with or slightly below the housing face. Avoid cocking the seal during installation, as this can damage the lip and cause immediate leakage.

What is the difference between the 1 PCS and 5 PCS packing options?

Both options contain the identical seal in the same size and material. The 1 PCS option is suited for a single repair or to verify fit before committing to a larger quantity. The 5 PCS pack offers a lower per-unit cost and is practical for workshop maintenance stock, fleet servicing, or keeping spares on hand for recurring replacements.

How do I convert these seal dimensions from mm to inches?

Divide millimeters by 25.4 to convert to inches. Common examples from this product: 30mm ID ≈ 1.18", 32mm ID ≈ 1.26", 50mm OD ≈ 1.97", 60mm OD ≈ 2.36", 8mm thickness ≈ 0.31", 10mm thickness ≈ 0.39". Use these conversions when cross-referencing with inch-based part catalogs or OEM specifications.

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

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