TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton
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TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB SkeletonTC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton

TC Oil Seal NBR Double Lip Rotary Shaft Seal — I.D. 52–120mm, FB Skeleton

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Beschreibung

TC Oil Seal NBR Double Lip — Stop Leaks on Rotating Shafts from 52 to 120mm

If you've ever dealt with a weeping gearbox, a leaking axle seal, or a pump shaft dripping oil onto the floor, you know how quickly a failed rotary seal turns into a bigger problem. These TC/FB skeleton oil seals are built for mechanics, equipment technicians, and serious DIYers who need a reliable metric seal without hunting through a dealer's parts catalog.

Each seal features a fully bonded (FB) steel skeleton encased in NBR (nitrile butadiene rubber), with a TC double-lip design — a primary sealing lip that retains oil and a secondary dust lip that blocks contaminants from entering. Available in inner diameters from 52mm (≈2.05") to 120mm (≈4.72"), with outer diameters and heights to match. Select your exact I.D. × O.D. × Height combination from the variant dropdown, and choose 1 pcs or 5 pcs quantity.

Typical applications include agricultural tractor PTO shafts and gearboxes, industrial pump and motor shaft seals, automotive differential and transfer case seals, and hydraulic cylinder rod seals where low-to-medium pressure is present. The wide size range makes these a practical stock item for shops that service multiple machine types.

ℹ️ Compatibility: Metric TC-type shaft seals. Fits standard metric shafts and bores. Verify your I.D. (shaft diameter), O.D. (bore diameter), and Height (seal width) before ordering. Not for high-pressure hydraulic circuits.

✅ Key Features of These TC NBR Double Lip Oil Seals

  • 🔩TC Double-Lip Design — Primary lip retains lubricant; secondary dust lip blocks dirt, debris, and moisture from reaching the bearing or gear cavity.
  • 🛡️Fully Bonded (FB) Steel Skeleton — The metal case is fully encased in rubber, improving bore sealing and corrosion resistance compared to exposed-metal skeleton designs.
  • 🧪NBR Rubber Compound — Nitrile butadiene rubber resists petroleum-based oils, greases, and fuels across a working temperature range of approximately -40°F to +250°F (-40°C to +120°C).
  • 📐Wide Metric Size Range — I.D. from 52mm to 120mm with matching O.D. and height options, covering a broad range of rotary shaft seal applications in one product listing.
  • ⚙️Press-Fit Installation — Designed for standard press-fit installation into a machined bore; no adhesive required. Compatible with common seal driver tools used in automotive and industrial maintenance.
  • 📦Flexible Quantity Options — Available as a single seal (1 pcs) for a one-off repair, or in a 5-pcs pack for shop stock, fleet maintenance, or multi-machine service jobs.

📐 Technical Specifications — TC/FB Skeleton Rotary Shaft Oil Seal

Seal Type TC (Double Lip) / FB (Fully Bonded Skeleton)
Material — Lip NBR (Nitrile Butadiene Rubber)
Material — Case Steel skeleton, fully rubber-bonded
Inner Diameter (I.D.) Range 52mm – 120mm (≈2.05" – 4.72")
Outer Diameter (O.D.) Range See variant options (70mm – 170mm typically)
Height (Seal Width) Range See variant options (8mm – 16mm typically)
Operating Temperature Typically -40°F to +250°F (-40°C to +120°C)
Max Dynamic Pressure Typically up to ~0.3 bar (4.4 psi)
Fluid Compatibility Petroleum-based oils, greases, fuels; not for strong acids or ketones
Shaft Speed Contact us to confirm for your specific application
Dimension Standard Metric (mm)
Quantity per Order 1 pcs or 5 pcs (select above)
Country of Origin Contact us to confirm
⚠️ Sizing note: Always measure your shaft O.D. (= seal I.D.), housing bore I.D. (= seal O.D.), and housing depth (= seal height) with calipers before ordering. A 1mm mismatch can cause leaks or installation failure.

❓ Frequently Asked Questions

How do I choose the right TC oil seal size?

Measure three dimensions with calipers: the shaft outer diameter (this becomes the seal I.D.), the housing bore inner diameter (this becomes the seal O.D.), and the housing depth (this becomes the seal height). Match all three to the variant label, e.g., 70×90×12mm means I.D. 70mm (≈2.76"), O.D. 90mm (≈3.54"), Height 12mm (≈0.47"). When in doubt, cross-reference your equipment's service manual or contact us with your measurements.

What load or pressure can these seals handle?

TC-type oil seals are generally rated for low-to-medium pressure applications — typically up to about 0.3 bar (≈4.4 psi) of dynamic pressure on the lip. They are not designed for high-pressure hydraulic circuits. For pressurized applications, a rotary union or a pressure-rated lip seal would typically be required.

Are these seals suitable for outdoor or wet environments?

NBR rubber generally performs well in outdoor environments with exposure to petroleum oils, greases, and moderate moisture. The secondary dust lip provides additional protection against water and debris ingress. For prolonged saltwater immersion or aggressive chemical exposure, a FKM (Viton) compound seal would typically offer better long-term resistance.

What shaft or bore standard do these seals fit?

These are metric-dimensioned seals compatible with standard metric shafts and machined bores. Sizing is purely dimensional — I.D. fits the shaft, O.D. presses into the bore. They are not thread-based. In most cases they are interchangeable with other TC-type metric seals of the same dimensions from any manufacturer.

How do I install a TC oil seal without damaging it?

Clean the housing bore and shaft thoroughly. Lightly coat the seal lip with clean oil or grease of the same type being sealed. Use a seal driver or a flat wooden block to press the seal squarely into the bore — never strike the seal face directly with a hammer. The primary lip (with the garter spring) faces the oil side; the dust lip faces outward. Press until the seal face is flush with or just below the bore surface.

What is the difference between TC and FB skeleton construction?

TC describes the lip configuration: a primary oil-retention lip (with garter spring) plus a secondary dust-exclusion lip. FB (Fully Bonded) describes the case construction: the steel skeleton is completely encased in rubber, which improves the seal between the O.D. and the housing bore and provides corrosion resistance. This TC/FB combination is one of the most widely used configurations in general industrial and automotive applications.

What temperature range can NBR oil seals withstand?

NBR rubber typically performs reliably in a temperature range of approximately -40°F to +250°F (-40°C to +120°C). Sustained exposure above this range may cause the lip to harden, crack, or lose its sealing force. For high-temperature applications (above 250°F), consider a FKM or PTFE-lipped seal instead.

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

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