TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal
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TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft SealTC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal

TC Oil Seal NBR Lip Seal ID 120–280mm OD 160–310mm Thick 15mm | TG4 TC FB Rotary Shaft Seal

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Beschreibung

TC Oil Seal NBR Lip Seal — Reliable Shaft Sealing for ID 120–280mm Applications

When a worn or incorrectly sized rotary shaft seal lets oil leak past the bearing housing, it doesn't just make a mess — it accelerates wear, contaminates surrounding components, and turns a simple maintenance job into a costly repair. Mechanics, equipment operators, and DIY rebuilders working on large-bore shafts need a TC oil seal that fits precisely and holds up under real working conditions.

Each seal in this listing is a TG4 TC FB double-lip rotary shaft oil seal made from NBR (nitrile rubber) with a steel reinforcement shell. The TC (twin contact) design features a primary sealing lip that retains oil and a secondary dust-exclusion lip that blocks contaminants from entering the bearing. Available in 32 sizes ranging from 120mm to 280mm inner diameter (≈4.72″–11.02″), 160mm to 310mm outer diameter (≈6.30″–12.20″), all at a fixed 15mm (≈0.59″) height. Order as 1, 2, or 3 pieces per transaction.

These TC oil seals are a direct-fit replacement for gearbox output shafts, agricultural PTO shafts, industrial pump housings, and heavy equipment axle ends — anywhere a large-diameter metric shaft seal is needed. Common search terms for this type include rotary shaft seal replacement, metric oil seal for gearbox, and NBR lip seal for agricultural equipment.

ℹ️ Compatibility Note: These seals use metric dimensions (ID × OD × Height in mm). Before ordering, measure your shaft diameter (= ID), housing bore (= OD), and housing depth (= Height). All variants in this listing share a 15mm height. Confirm all three dimensions match your application.

✅ Key Features of These TC Oil Seals NBR Lip Seals

  • 🔩Double-Lip TC Design — The primary lip retains lubricant while the secondary dust lip blocks dirt and debris, making this seal effective in contaminated or outdoor environments typical of agricultural and industrial equipment.
  • 🧪NBR Nitrile Rubber Construction — NBR offers solid resistance to petroleum-based oils, greases, and hydraulic fluids across a generally rated temperature range of approximately −40°F to +250°F (−40°C to +120°C), suitable for most gearbox and axle applications.
  • 🏗️Steel-Reinforced Shell — The rigid metal outer case ensures the seal presses firmly and evenly into the housing bore, maintaining concentricity and preventing the seal from spinning or walking out under vibration.
  • 📐32 Metric Sizes Available — Inner diameters from 120mm (≈4.72″) to 280mm (≈11.02″) cover a wide range of large-bore shaft seal replacements, reducing the need to source custom or hard-to-find sizes for rotary shaft seal repair jobs.
  • ⚙️Consistent 15mm Profile — The fixed 15mm (≈0.59″) axial height simplifies housing design and replacement planning — no need to recheck depth when swapping between sizes within this series.
  • 📦Flexible Quantity Options — Available in 1, 2, or 3 pieces per order, so you can stock a spare for scheduled maintenance or order a single seal for an immediate repair without overstocking.

📐 Technical Specifications — TC Oil Seal NBR Lip Seal

Seal Type TC (Twin Contact / Double Lip)
Series TG4 TC FB
Lip Material NBR (Nitrile Butadiene Rubber)
Shell / Case Steel-reinforced outer ring
Inner Diameter (ID) Range 120mm–280mm (≈4.72″–11.02″) — see variant options
Outer Diameter (OD) Range 160mm–310mm (≈6.30″–12.20″) — see variant options
Height / Thickness 15mm (≈0.59″) — all variants
Dimension Format ID × OD × Height (mm)
Operating Temperature Typically −40°C to +120°C (−40°F to +250°F) for NBR
Media Compatibility Petroleum oils, greases, hydraulic fluids (NBR-compatible)
Shaft Speed Contact us to confirm for your specific application
Pressure Rating Low-to-moderate (not for high-pressure hydraulics)
Standard Reference Generally compatible with ISO 6194 / DIN 3760 metric seals
Quantity per Order 1 Pcs / 2 Pcs / 3 Pcs — see variant options
Country of Origin See variant options
⚠️ Installation Tip: Always clean the housing bore before pressing in the new seal. Apply a thin film of clean oil to the seal lip before installation. Press the seal in squarely using a seal driver or a flat plate — never hammer directly on the seal face.

❓ Frequently Asked Questions

How do I choose the right TC oil seal size?

Measure three dimensions: the shaft diameter (this is your ID), the housing bore diameter (this is your OD), and the housing depth (this is your Height). Match all three to the variant listed as ID × OD × Height. For example, a 150mm shaft in a 180mm bore with a 15mm housing depth → select 150*180*15mm. All variants in this listing share a 15mm height, so you only need to match ID and OD if your housing depth is 15mm.

How do I convert these metric dimensions to inches?

Divide millimeters by 25.4. Quick reference examples:

  • 120mm ID ≈ 4.72" | 160mm OD ≈ 6.30"
  • 150mm ID ≈ 5.91" | 180mm OD ≈ 7.09"
  • 200mm ID ≈ 7.87" | 240mm OD ≈ 9.45"
  • 280mm ID ≈ 11.02" | 310mm OD ≈ 12.20"
  • 15mm Height ≈ 0.59"

Use these to cross-reference with inch-based equipment manuals or parts catalogs.

What load or pressure can these rotary shaft seals handle?

TC-type double-lip oil seals are generally designed for low-to-moderate shaft speeds and pressures — typical of gearboxes, axles, pumps, and agricultural PTO shafts. They are not intended for high-pressure hydraulic circuits. If your application involves significant back-pressure, contact us to confirm suitability before ordering.

Are these NBR lip seals suitable for outdoor or wet environments?

NBR nitrile rubber generally performs well in outdoor environments with exposure to petroleum oils, greases, and water splash — common conditions in agricultural machinery and construction equipment. However, NBR is not recommended for prolonged immersion, ozone-rich environments, strong acids, or ketone-based fluids. For those conditions, an FKM (Viton) seal would typically be a better choice.

What shaft or housing standards are compatible with these seals?

These are metric-dimensioned TC oil seals that are generally compatible with shafts and housings following ISO 6194 and DIN 3760 standards. The ID dimension corresponds directly to the nominal shaft diameter. They are typically interchangeable with other metric TC seals of the same ID × OD × Height dimensions from major seal manufacturers.

What is the difference between a TC seal and an SC seal?

A TC seal has two sealing lips: a primary lip that retains oil/grease and a secondary lip that excludes dust and contaminants. An SC seal has a single lip. TC seals are generally preferred for gearboxes, axles, and agricultural equipment where both oil retention and contamination exclusion are important. If your original seal is labeled TC, replace it with a TC seal.

Can I use these seals on agricultural or heavy equipment?

Yes — TC-type NBR lip seals are widely used in agricultural machinery (tractors, combines, PTO shafts), construction equipment (excavators, loaders), industrial gearboxes, and vehicle axle ends. The large size range (ID 120–280mm) covers many heavy-duty rotating shaft applications. Always verify the exact ID, OD, and height match your equipment before installation.

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

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