NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD
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NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm ODNBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD

NBR TC Rotary Shaft Oil Seal with Garter Spring | 26–30mm ID, 35–72mm OD

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Beschreibung

NBR TC Rotary Shaft Oil Seal with Garter Spring — Stop Leaks at the Source

Mechanics, equipment rebuilders, and DIY enthusiasts know the frustration of a weeping shaft seal: oil spots on the floor, contaminated bearings, and a repair job that keeps coming back. Whether you're rebuilding a gearbox, servicing an agricultural machine, or replacing a worn seal on a pump or motor, getting the right TC oil seal the first time saves hours of rework.

Each seal in this listing is a TC double-lip rotary shaft oil seal made from NBR (nitrile rubber) with a carbon steel case and an internal garter spring. Available in a wide range of metric sizes with inner diameters from 26mm to 30mm and outer diameters from 35mm to 72mm, heights ranging from 5mm to 12mm — with dual-unit callouts such as 30x50x10mm (≈1.18" × 1.97" × 0.39"). Order in quantities of 1, 5, 10, 20, 30, or 50 pieces to match your project or shop stock needs.

These seals are widely used in automotive gearbox and differential rebuilds, agricultural and construction equipment shaft sealing, and industrial pump and electric motor applications — anywhere a rotating shaft passes through a housing and needs to retain lubricant while excluding dirt and moisture.

ℹ️ Compatibility Note: These are metric TC oil seals following DIN 3760 / ISO 6194 conventions. Verify your shaft OD, housing bore ID, and housing depth before ordering. Size format is ID × OD × Height in millimeters. Select your exact size from the variant dropdown above.

✅ Key Features of These NBR TC Rotary Shaft Oil Seals

  • 🔩Double-Lip TC Design — The primary sealing lip retains lubricant while the secondary dust lip blocks contaminants, giving you two lines of defense in a single rotary shaft oil seal.
  • 🌀Garter Spring Loaded — An internal garter spring maintains consistent radial lip pressure as the seal wears, extending service life and reducing the chance of early leakage in high-cycle shaft applications.
  • 🧪NBR Rubber Construction — Nitrile rubber resists petroleum-based oils, greases, hydraulic fluids, and water splash across a typical operating range of -40°F to +250°F (-40°C to +120°C).
  • 🏗️Carbon Steel Case — The rigid metal outer case ensures a secure press-fit into the housing bore, preventing the seal from spinning or walking out under vibration or pressure fluctuation.
  • 📐Wide Metric Size Range — With ID options from 26mm to 30mm and OD from 35mm to 72mm, these seals cover a broad range of gearbox, pump, and motor shaft sealing applications without needing multiple suppliers.
  • 📦Flexible Pack Quantities — Available in 1, 5, 10, 20, 30, or 50-piece packs so you can order a single replacement seal or stock up for fleet maintenance and shop inventory at a lower per-unit cost.

📐 Technical Specifications — TC Rotary Shaft Oil Seal

Seal Type TC (Double Lip with Garter Spring)
Material NBR (Nitrile Butadiene Rubber) lip; Carbon steel case
Inner Diameter (ID) Range 26mm – 30mm (≈1.02" – 1.18")
Outer Diameter (OD) Range 35mm – 72mm (≈1.38" – 2.83")
Height Range 5mm – 12mm (≈0.20" – 0.47")
Available Sizes (ID × OD × H) See variant options — 50+ metric sizes available
Operating Temperature Typically -40°F to +250°F (-40°C to +120°C)
Fluid Compatibility Petroleum oils, gear oils, greases, hydraulic fluids, water splash
Dimensional Standard Metric; generally conforms to DIN 3760 / ISO 6194
Pack Quantities 1, 5, 10, 20, 30, or 50 pieces
Shaft Speed Typically up to 4–8 m/s (contact us to confirm for your application)
Max Pressure Typically ≤ 0.05 MPa (low-pressure rotary sealing)
Color / Finish Black rubber lip; bare steel case
Country of Origin Contact us to confirm
⚠️ Sizing Tip: Always measure your existing seal or housing with calipers before ordering. The size format is Inner Diameter × Outer Diameter × Height (e.g., 30×50×10mm). A seal that is even 1mm off in OD may not press-fit correctly.

❓ Frequently Asked Questions

How do I choose the right oil seal size?

Measure the shaft diameter (ID), the bore diameter (OD), and the housing depth (height) with calipers. Match all three dimensions to the variant listed. For example, a 30×50×10mm seal has a 30mm inner diameter, 50mm outer diameter, and 10mm height (≈1.18" height). When in doubt, go by the shaft diameter first, then confirm OD fits your housing bore.

What load or pressure can these oil seals handle?

TC-type rotary shaft oil seals are generally designed for low-to-moderate pressure applications. They typically handle shaft speeds up to around 4–8 m/s and pressures up to approximately 0.05 MPa (0.5 bar) under normal operating conditions. For high-pressure or high-speed applications, contact us to confirm suitability.

Are these seals suitable for outdoor or wet environments?

NBR (nitrile rubber) offers good resistance to petroleum-based oils, greases, and water splash, making it generally suitable for outdoor use in moderate conditions. However, NBR is not recommended for prolonged exposure to ozone, strong UV, or highly acidic environments. For harsh chemical or extreme outdoor exposure, consider FKM (Viton) seals instead.

What shaft or housing standards are these seals compatible with?

These are metric-dimensioned TC oil seals that generally conform to DIN 3760 / ISO 6194 dimensional conventions. They are compatible with standard metric shafts and housings. Always verify the shaft OD and housing bore ID match the seal dimensions before installation. They are not designed for inch (imperial) shaft sizes.

What is the operating temperature range for NBR oil seals?

NBR rubber typically operates reliably in a temperature range of approximately -40°F to +250°F (-40°C to +120°C). For applications that regularly exceed 250°F, a Viton (FKM) seal is generally recommended for longer service life.

What does "TC" mean and why does the garter spring matter?

"TC" refers to a double-lip seal design: the primary lip retains lubricant while the secondary dust lip keeps contaminants out. The garter spring applies constant radial pressure on the primary lip, maintaining a consistent seal even as the lip wears over time — which extends service life compared to springless single-lip designs.

How do I install a TC rotary shaft oil seal correctly?

Clean the housing bore and shaft. Lightly lubricate the seal lip with the fluid being sealed. Press the seal squarely into the bore using a seal driver or a flat block — never hammer directly on the seal face. Ensure the seal sits flush or slightly below the housing face. Avoid nicking the lip on sharp shaft edges; use a chamfer or installation sleeve if needed.

Can I use these seals in automotive gearboxes or differentials?

Yes — TC rotary shaft oil seals are commonly used in automotive gearbox output shafts, differential pinion shafts, and axle sealing applications. Verify the exact ID, OD, and height match your vehicle's OEM seal dimensions. When replacing, it is generally recommended to also inspect the shaft surface for wear grooves that could cause premature seal failure.

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

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