Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm
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Nitrile Rubber TC Skeleton Oil Seal — Double Lip Shaft Seal | ID 34–427mm

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Beschreibung

TC Skeleton Oil Seal — Nitrile Rubber Double Lip Shaft Seal for Reliable Leak Prevention

When a worn or mismatched shaft seal lets grease escape or lets dirt in, the damage to bearings and gearboxes adds up fast. Mechanics, equipment operators, and serious DIYers who need a dependable replacement seal — without hunting through a dealer's parts catalog — will find this TC skeleton oil seal a straightforward, cost-effective solution.

Each seal features a steel-reinforced TC skeleton body overmolded with nitrile rubber (NBR), with a double-lip design: a primary sealing lip that retains lubricant and a secondary dust lip that blocks contaminants. Available in a wide range of metric sizes — inner diameters from 34mm (≈1.34") to 427mm (≈16.8"), outer diameters from 41mm (≈1.61") to 470mm (≈18.5"), and thicknesses from 4mm (≈0.16") to 25mm (≈0.98"). Order as 1, 2, 3, 5, or 10 pieces depending on your job.

Typical applications include automotive differential and gearbox shaft seals, agricultural tractor PTO and axle seals, industrial conveyor and pump shaft seals, and heavy equipment wheel hub seals — anywhere a rotating shaft passes through a housing and needs a reliable nitrile rubber rotary shaft seal to keep oil in and contaminants out.

ℹ️ Compatibility Notice: These are metric-dimensioned TC skeleton oil seals. Always verify Inner Diameter (shaft size), Outer Diameter (bore size), and Thickness (housing depth) before ordering. Dimensions are listed in the variant selector above.

✅ Key Features of These Nitrile Rubber TC Skeleton Oil Seals

  • 🔩Steel-Reinforced TC Skeleton — The rigid metal insert maintains the seal's round shape under press-fit installation, preventing distortion in the bore and ensuring consistent contact around the full circumference.
  • 💧Double Lip Design — The primary lip retains lubricant on the inboard side while the secondary dust lip faces outward to block dirt, water, and debris — a dual-barrier approach common in automotive and agricultural shaft seal applications.
  • 🧪Nitrile Rubber (NBR) Compound — NBR offers solid resistance to petroleum-based oils, greases, and water, making it a practical choice for gearbox, differential, and pump shaft seal replacements in most standard operating environments.
  • 📐Wide Size Range in One Listing — From compact 34×41mm seals for small shafts to large 427×446mm industrial seals, this listing covers an unusually broad range of metric rotary shaft seal sizes — reducing the need to source from multiple suppliers.
  • 📦Flexible Pack Quantities — Available in 1, 2, 3, 5, or 10-piece packs. Single pieces suit one-off repairs; multi-packs make sense for fleet maintenance, workshop stock, or agricultural equipment with multiple identical seals.
  • 🌡️Broad Temperature Tolerance — Nitrile rubber TC oil seals are generally rated from approximately -40°F to +250°F (-40°C to +120°C), covering the thermal range of most automotive, agricultural, and light industrial rotating shaft applications.

📐 Technical Specifications — TC Skeleton Oil Seal

Seal Type TC (Double Lip with Dust Lip)
Body Construction Steel skeleton with overmolded rubber
Lip Material Nitrile Rubber (NBR)
Inner Diameter (ID) Range 34mm (≈1.34") – 427mm (≈16.8")
Outer Diameter (OD) Range 41mm (≈1.61") – 470mm (≈18.5")
Thickness Range 4mm (≈0.16") – 25mm (≈0.98")
Dimension Standard Metric
Typical Operating Temp. -40°F to +250°F (-40°C to +120°C)
Fluid Compatibility Petroleum-based oils and greases; see variant options for specific use cases
Application Type Rotary shaft sealing (low-to-medium speed)
Pack Quantity See variant options (1, 2, 3, 5, or 10 Pcs)
Color / Finish Contact us to confirm
Country of Origin Contact us to confirm
⚠️ Before You Order: Measure your shaft diameter, bore diameter, and housing depth with calipers. Do not rely on part numbers from other brands without cross-referencing all three dimensions. If you are unsure, contact us with your measurements.

❓ Frequently Asked Questions

How do I choose the right TC oil seal size?

Measure the shaft diameter (inner diameter), the bore diameter (outer diameter), and the housing depth (thickness) with calipers. Match all three dimensions to the variant listed. For example, a 34×46×7 mm seal has a 34mm shaft bore, 46mm outer diameter, and 7mm width — approximately 1.34" × 1.81" × 0.28". When in doubt, measure twice and order once.

What load or pressure can these shaft seals handle?

TC skeleton oil seals are generally rated for low-to-medium pressure applications. They are typically suitable for static and rotary shaft applications where the primary goal is retaining lubricant and excluding contaminants rather than withstanding high hydraulic pressure. For high-pressure hydraulic systems, a different seal type is typically required.

Are these oil seals suitable for outdoor or wet environments?

Nitrile rubber (NBR) offers good resistance to water, oil, and mild chemicals, making it generally suitable for outdoor and wet environments. However, for prolonged UV exposure or extreme temperatures above 250°F, a fluorocarbon (FKM) seal may be more appropriate. Contact us to confirm suitability for your specific conditions.

What bore standards are these seals compatible with?

These are metric-dimensioned TC skeleton oil seals designed for standard metric bore housings. They are not thread-based fasteners. Verify the bore diameter and shaft diameter of your housing before ordering. They are not directly interchangeable with inch-dimensioned seals without confirming all three dimensions match.

How do I install a TC skeleton oil seal correctly?

Clean the housing bore and shaft. Apply a thin film of clean grease to the seal lip and outer diameter. Press the seal squarely into the bore using a seal driver or a flat block — never hammer directly on the seal face. Ensure the primary lip faces the lubricant side (inboard). Avoid cocking the seal during installation, as this is a common cause of early failure.

What is the operating temperature range for nitrile rubber oil seals?

Nitrile rubber (NBR) TC oil seals are typically rated for operating temperatures from approximately -40°F to +250°F (-40°C to +120°C). Sustained exposure beyond this range may cause premature lip wear, hardening, or cracking. For higher-temperature applications, consider FKM (Viton) seals.

Can I use these seals on rotating shafts in automotive or agricultural equipment?

Yes. TC skeleton oil seals are widely used in automotive differentials, gearboxes, wheel hubs, and agricultural machinery such as tractor PTO shafts and axle housings. Confirm the shaft speed and fluid compatibility with nitrile rubber before installation. For very high-speed shafts, check the manufacturer's recommended shaft surface finish (typically Ra 0.2–0.8 µm).

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

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