TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes
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TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple SizesTC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes

TC Oil Seal 32mm ID Double Lip NBR 70 Rotary Shaft Seal — Multiple Sizes

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Price:
$6.43 USD
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In stock (500 units), ready to be shipped

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Description

TC Double-Lip Oil Seal 32mm ID — Stop Leaks on Gearboxes, Pumps & Motors

When a worn or incorrectly sized rotary shaft seal lets oil escape, it doesn't just make a mess — it accelerates bearing wear, contaminates surrounding components, and turns a simple maintenance job into a costly repair. Mechanics, equipment operators, and serious DIYers who need a reliable TC oil seal with a 32mm inner diameter know how hard it can be to find the exact OD and height combination without ordering from an industrial distributor.

Each seal in this listing is a TC-type double-lipped skeleton oil seal made from NBR (Nitrile Butadiene Rubber) at Shore 70A hardness, with a steel reinforcing skeleton for dimensional stability. The inner diameter is fixed at 32mm (≈1.26"). Available outer diameters range from 42mm to 72mm (≈1.65" to 2.83"), and heights range from 7mm to 12mm (≈0.28" to 0.47") — select your exact ID × OD × Height combination from the variant options above. Sold in quantities of 1, 2, 5, 10, or 20 pieces.

These seals are used across a wide range of applications: replacing leaking gearbox output shaft seals, servicing hydraulic pump rotary seals, rebuilding electric motor end-cap seals, and maintaining agricultural and construction equipment drive shafts. The double-lip design makes them especially well-suited for environments where dust, dirt, or moisture exclusion is as important as oil retention.

🔵 Compatibility Note: These are metric seals sized to ISO standards. Confirm your housing bore (OD), shaft diameter (ID = 32mm), and groove depth (Height) before ordering. When replacing an existing seal, measure the old part directly or reference the OEM part number.

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

  • 🔩Steel-Skeleton Reinforcement — An internal metal ring maintains the seal's round shape under press-fit installation, preventing distortion in the housing bore and ensuring consistent contact pressure around the shaft.
  • 💧Double-Lip TC Design — The primary lip retains oil and grease; the secondary dust lip blocks dirt, grit, and moisture from reaching the bearing — a critical advantage in outdoor and industrial rotary shaft seal applications.
  • 🧪NBR 70 Shore A Compound — Nitrile rubber at 70 Shore A hardness delivers a balance of flexibility and wear resistance, with broad compatibility with petroleum-based oils, ATF, and hydraulic fluids used in gearboxes and pumps.
  • 📐Wide Size Selection — 32mm ID Fixed — With OD options from 42mm to 72mm and heights from 7mm to 12mm, this listing covers dozens of common metric shaft seal dimensions without requiring a separate product search for each size.
  • 🌡️Broad Operating Temperature Range — NBR seals typically perform from -40°F to +250°F (-40°C to +120°C), making them suitable for both cold-start conditions and sustained high-temperature operation in motors and gearboxes.
  • 📦Flexible Quantity Options — Order 1 piece for a single repair, or buy in packs of 2, 5, 10, or 20 for fleet maintenance, workshop stock, or production line use — with per-unit cost decreasing at higher quantities.

📐 Technical Specifications — TC Skeleton Rotary Shaft Oil Seal

Seal Type TC (Double-Lip, Skeleton)
Inner Diameter (ID) 32mm (≈1.26")
Outer Diameter (OD) 42–72mm (≈1.65"–2.83") — see variant options
Height / Width 7–12mm (≈0.28"–0.47") — see variant options
Seal Material NBR (Nitrile Butadiene Rubber)
Hardness Shore 70A
Reinforcement Steel skeleton (FB-type metal insert)
Lip Configuration Primary oil lip + secondary dust exclusion lip
Operating Temperature -40°F to +250°F (-40°C to +120°C) — typical for NBR
Compatible Fluids Petroleum-based oils, ATF, hydraulic fluid (mineral-based)
Dimension Standard ISO metric (mm)
Quantity per Order 1, 2, 5, 10, or 20 pcs — select above
Spring Type See variant options / Contact us to confirm
⚠️ Size Tip: The format is ID × OD × Height (all in mm). Example: 32*52*10mm = 32mm shaft, 52mm housing bore, 10mm wide. Measure your old seal or housing before selecting a variant.

❓ Frequently Asked Questions

How do I choose the right OD and height for my 32mm shaft seal?

Measure the bore (housing) inner diameter for the OD, and the groove or housing depth for the height. For example, a 32*52*10mm seal has a 32mm shaft bore (≈1.26" ID), 52mm housing bore (≈2.05" OD), and 10mm (≈0.39") width. When in doubt, check the OEM part number or measure the old seal directly — a digital caliper gives the most accurate reading.

What pressure can these TC oil seals handle?

TC-type rotary shaft seals are generally designed for low-to-moderate pressure applications — typically up to 0.05 MPa (≈7 psi) of static pressure. For higher-pressure systems, a pressure-rated seal or additional support ring is recommended. These seals are not intended for high-pressure hydraulic cylinder applications.

Are these seals suitable for outdoor or wet environments?

Yes. NBR (nitrile rubber) offers good resistance to water, petroleum-based oils, and mild chemicals. The secondary dust lip on TC-type seals also helps exclude moisture and contaminants, making them suitable for outdoor machinery, agricultural equipment, and wet environments in most cases. For prolonged immersion or aggressive chemical exposure, verify fluid compatibility first.

What shaft speed and temperature range do these seals support?

NBR 70 Shore A seals typically operate in a temperature range of -40°F to +250°F (-40°C to +120°C) and are generally suitable for shaft surface speeds up to approximately 4–6 m/s, depending on shaft surface finish (Ra ≤ 0.8 µm recommended) and adequate lubrication at the lip. Always verify against your specific application requirements.

Are these metric seals compatible with standard housings?

Yes. All dimensions follow ISO metric standards (ID × OD × Height in mm). They are compatible with any housing machined to the corresponding metric bore. If your equipment uses inch-based dimensions, convert carefully — for example, 32mm ID ≈ 1.26", 52mm OD ≈ 2.05". When in doubt, measure the housing bore directly rather than relying on nominal inch equivalents.

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 in squarely using a seal driver or a flat block — never hammer directly on the seal face. Ensure the primary lip faces the fluid side (inward). Protect the lip from sharp edges, keyways, or splines during installation using a sleeve or tape wrap.

What is the difference between TC and SC oil seal types?

TC seals have two sealing lips — a primary oil lip and a secondary dust/exclusion lip — making them more effective at keeping contaminants out. SC seals have a single lip. TC-type seals are generally preferred for applications exposed to dirt, dust, or moisture, such as agricultural equipment, outdoor power tools, and vehicle axle seals.

Can I use these seals with synthetic oils or ATF?

NBR is compatible with most petroleum-based oils, ATF (automatic transmission fluid), and many mineral hydraulic fluids. However, NBR is generally not recommended for use with synthetic esters, phosphate ester fluids, or ketone-based solvents. If you are using a fully synthetic PAO or ester-based fluid, verify NBR compatibility or consider a FKM (Viton) seal instead.

🛒 Select your size (ID × OD × Height) and quantity above, then add to cart — ships from our US warehouse.

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