Metric NBR Oil Shaft Seal Dust Grease Seal TC Double Lip w Spring ID 120-200mm

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Metric NBR Oil Shaft Seal Dust Grease Seal TC Double Lip w Spring ID 120-200mm

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Size (ID x OD x Width): 120x140x12mm

Pack Size: 1

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$23.88 USD

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Metric NBR TC Oil Shaft Seals — Reliable Dust & Grease Protection for ID 120–200mm Shafts

When a worn or missing shaft seal lets grease escape or contaminants enter a bearing housing, the result is accelerated wear, overheating, and unplanned downtime. Maintenance technicians, equipment rebuilders, and DIY mechanics working on agricultural machinery, industrial gearboxes, conveyor drives, and heavy-duty axles need a seal they can trust to hold up under continuous rotation and exposure to oils, dust, and moisture.

These metric NBR TC double-lip oil shaft seals are manufactured from nitrile rubber (NBR) bonded to a steel case, with an inner garter spring that maintains consistent radial lip pressure against the shaft. Available in inner diameters from 120mm (4.72 in) to 200mm (7.87 in), outer diameters from 140mm (5.51 in) to 250mm (9.84 in), and widths of 12mm (0.47 in) to 18mm (0.71 in). The TC designation indicates a double-lip design: the primary lip retains lubricant while the secondary dust lip excludes external contaminants.

Typical applications include agricultural PTO shafts and gearbox output flanges, industrial conveyor drive shafts, pump and motor housings, and heavy equipment wheel hubs — anywhere a metric NBR TC oil seal in the 120–200mm ID range is required. Available in single units or value packs of 2, 4, or 10 for workshop stock or fleet maintenance programs.

⚙️ Compatibility: Designed for metric shaft housings with ID 120–200mm. Verify your shaft diameter, housing bore, and seal width before ordering. See variant options for exact dimensions.

✅ Key Features of These Metric NBR TC Oil Shaft Seals

🔩 TC Double-Lip Design

Primary sealing lip retains lubricant; secondary dust lip blocks dirt, water, and debris from reaching the bearing — two lines of defense in one seal.

🌡️ NBR Nitrile Rubber Construction

Nitrile rubber compound resists petroleum-based oils, greases, and hydraulic fluids across a working temperature range of typically −40°C to +120°C (−40°F to +248°F).

🔄 Garter Spring for Consistent Lip Pressure

An internal garter spring maintains uniform radial force on the shaft surface, compensating for minor shaft runout and lip wear over time.

🏗️ Steel-Reinforced Case

A rigid steel outer case ensures a secure press-fit into the housing bore and resists distortion during installation and operation.

📐 Wide Metric Size Range

ID 120–200mm, OD 140–250mm, width 12–18mm — covers a broad range of agricultural, industrial, and heavy-equipment shaft seal applications in a single product family.

📦 Flexible Pack Sizes

Order as a single seal for a one-off repair, or choose packs of 2, 4, or 10 for workshop inventory and fleet maintenance — quantity pricing built in.

📐 Technical Specifications — Metric NBR TC Oil Shaft Seal

Seal Type	TC (Double Lip with Garter Spring)
Material	NBR (Nitrile Butadiene Rubber) with steel case
Inner Diameter (ID)	120mm – 200mm (4.72 in – 7.87 in)
Outer Diameter (OD)	See variant options
Width	See variant options
Operating Temperature	Typically −40°C to +120°C (−40°F to +248°F)
Compatible Fluids	Petroleum-based oils, greases, hydraulic fluids
Spring Type	Garter spring (internal)
Lip Configuration	Primary sealing lip + secondary dust exclusion lip
Measurement Standard	Metric
Pack Size Options	1, 2, 4, 10
Shaft Speed	Contact us to confirm
Pressure Rating	Contact us to confirm

❓ Frequently Asked Questions

How do I choose the correct seal size for my application?

Measure three dimensions on your existing seal or housing: the inner diameter (ID) that contacts the shaft, the outer diameter (OD) that presses into the housing bore, and the width (axial depth). All three must match your housing specification. Use the Size (ID x OD x Width) variant selector to find your exact size. If you are unsure, measure the shaft and housing bore directly with calipers.

What does "TC" mean on an oil seal?

TC stands for a double-lip seal design with a garter spring. The primary lip faces inward to retain lubricant, while the secondary lip faces outward to exclude dust and moisture. The garter spring keeps the primary lip in firm contact with the shaft surface. This is the most common configuration for general industrial and agricultural shaft sealing.

Is NBR rubber suitable for my application?

NBR (nitrile rubber) is compatible with petroleum-based oils, greases, diesel fuel, and most hydraulic fluids. It performs well in the typical temperature range of −40°C to +120°C. NBR is not recommended for use with phosphate-ester hydraulic fluids, ketones, or strong acids. If your application involves these media, contact us to confirm suitability before ordering.

Can these seals handle shaft misalignment or runout?

The garter spring in a TC seal provides a degree of compensation for minor dynamic runout — typically up to 0.2–0.5mm depending on shaft speed and seal size. For applications with significant misalignment or high runout, a labyrinth or cassette-type seal may be more appropriate. Contact us to confirm if you have specific runout requirements.

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

Clean the housing bore and shaft thoroughly before installation. Apply a thin film of clean oil or grease to the seal lip and shaft surface. Use a seal driver or a flat press plate to apply even pressure across the outer case — never strike the seal directly with a hammer. Press the seal in squarely until the outer face is flush with or just below the housing face. Avoid contacting the sealing lip with sharp edges during installation.

What pack size should I order?

If you need a single replacement seal for a one-off repair, the Pack Size 1 option is the most straightforward choice. For workshop stock or fleet maintenance where the same seal size appears across multiple machines, packs of 2, 4, or 10 offer a lower per-unit cost and reduce the risk of running out during a repair. Select your pack size using the Pack Size variant option above.

Are these seals compatible with agricultural equipment such as tractors and PTO gearboxes?

Yes. TC-type NBR oil seals in the 120–200mm ID range are widely used in agricultural gearbox output flanges, PTO shafts, wheel hubs, and hydraulic pump housings. Verify the exact ID, OD, and width against your equipment's service manual or the dimensions of the seal being replaced before ordering.

🛒 Select your Size (ID x OD x Width) and Pack Size above, then add to cart.

Metric NBR Oil Shaft Seal Dust Grease Seal TC Double Lip w Spring ID 120-200mm

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Description

Metric NBR TC Oil Shaft Seals — Reliable Dust & Grease Protection for ID 120–200mm Shafts

✅ Key Features of These Metric NBR TC Oil Shaft Seals

📐 Technical Specifications — Metric NBR TC Oil Shaft Seal

❓ Frequently Asked Questions

Metric NBR Oil Shaft Seal Dust Grease Seal TC Double Lip w Spring ID 120-200mm

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