TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm
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TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mmTC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm

TC Oil Seal 30mm Shaft – R23 Double Lip NBR Rotary Seal, OD 57–90mm, Height 5–12mm

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Price:
$7.19 USD
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In stock (500 units), ready to be shipped

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Description

TC Oil Seal for 30mm Shafts — R23 Double Lip NBR Rotary Shaft Seal, OD 57–90mm

When a leaking shaft seal causes oil contamination, bearing failure, or costly downtime, getting the exact replacement matters. This R23 TC oil seal is engineered for 30mm bore applications across agricultural equipment, gearboxes, pumps, axles, and general industrial machinery — anywhere a reliable rotary shaft seal is needed to keep lubricant in and contaminants out.

Each seal features a TC (double lip) arrangement in NBR (nitrile butadiene rubber) with a carbon steel spring-loaded primary lip and a secondary dust exclusion lip. The inner diameter is 30mm; outer diameters range from 57mm (≈2.24") to 90mm (≈3.54"); heights range from 5mm (≈0.20") to 12mm (≈0.47"). Select your exact size combination from the variant options above. Available in packs of 1, 2, 3, 5, 8, or 10 pieces.

Typical use cases include replacing worn seals on tractor PTO shafts and gearbox output shafts, sealing pump impeller shafts in hydraulic systems, and maintaining axle seals on light commercial vehicles and trailers — all applications where a 30mm rotary shaft seal with double-lip protection is the standard specification.

ℹ️ Compatibility: Fits 30mm shafts. Conforms to ISO 6194 / DIN 3760 R23 TC standard. Cross-references with seals from SKF, FAG, NSK, Timken, and other manufacturers sharing the same ID × OD × Height dimensions. Verify your housing bore and groove depth before ordering.

✅ Key Features of These TC Double Lip NBR Oil Seals

  • 🔩TC Double Lip Design — Primary sealing lip retains lubricant; secondary dust lip blocks dirt, debris, and moisture ingress, making this 30mm rotary shaft seal suitable for both indoor and outdoor machinery.
  • 🧲Spring-Loaded Primary Lip — An integrated garter spring maintains consistent radial lip pressure against the shaft surface, compensating for minor shaft runout and extending service life in dynamic applications.
  • 🌡️NBR Rubber Compound — Nitrile butadiene rubber resists petroleum-based oils, greases, and hydraulic fluids across a typical operating range of -40°F to +250°F (-40°C to +120°C), covering most gearbox and pump environments.
  • 📐Wide Size Range in One Listing — OD from 57mm to 90mm and heights from 5mm to 12mm let you find the exact replacement for your housing without sourcing from multiple suppliers.
  • 🏭ISO 6194 / DIN 3760 R23 Standard — Dimensional compliance with the R23 TC specification ensures direct interchangeability with OEM and aftermarket seals from major bearing manufacturers on 30mm shaft applications.
  • 📦Flexible Pack Quantities — Order 1 to 10 pieces per size to match your maintenance schedule — single replacement, service kit, or workshop stock — without paying for more than you need.

📐 Technical Specifications — TC Oil Seal (R23 Type)

Seal Type TC (Double Lip Radial Shaft Seal)
Standard ISO 6194 / DIN 3760, R23 designation
Inner Diameter (ID / Bore) 30mm (≈1.18")
Outer Diameter (OD) 57mm – 90mm (≈2.24" – 3.54"); see variant options
Height (Width) 5mm – 12mm (≈0.20" – 0.47"); see variant options
Lip Material NBR (Nitrile Butadiene Rubber)
Case Material Carbon steel (typically)
Spring Garter spring (carbon steel)
Operating Temperature Typically -40°F to +250°F (-40°C to +120°C)
Media Compatibility Petroleum-based oils, greases, hydraulic fluids; contact us to confirm for other media
Max Shaft Speed Typically up to 4–8 m/s surface speed (application-dependent)
Pack Quantity Options 1, 2, 3, 5, 8, or 10 pieces per order
Finish / Color See variant options
Country of Origin Contact us to confirm
⚠️ Before ordering: Confirm your shaft diameter (30mm), housing bore (OD), and groove depth (height) using calipers. Refer to your equipment service manual or contact us if you are unsure which size to select.

❓ Frequently Asked Questions

How do I choose the right OD and height for my application?

Measure the bore (shaft diameter) first — this seal fits a 30mm shaft. Then measure the housing bore to confirm the OD, and the groove depth to confirm the height. Available ODs range from 57mm (≈2.24") to 90mm (≈3.54"); heights range from 5mm (≈0.20") to 12mm (≈0.47"). When in doubt, consult your equipment manual or contact us to confirm.

What load or pressure can this oil seal handle?

TC-type rotary shaft seals are generally designed for low-to-medium pressure applications. They are typically rated for shaft speeds up to approximately 4–8 m/s surface speed and static pressures up to around 0.05 MPa. For high-pressure or high-speed applications, contact us to confirm suitability.

Is this seal suitable for outdoor or wet environments?

NBR (nitrile rubber) offers good resistance to petroleum-based oils, greases, and water splash. It is generally suitable for outdoor use in moderate conditions. For prolonged UV exposure or contact with aggressive chemicals, a FKM (Viton) seal may be more appropriate.

What shaft standard does this seal fit — metric or imperial?

This is a metric rotary shaft seal with a 30mm inner diameter, compatible with 30mm shafts. The R23 designation follows ISO 6194 / DIN 3760, making it broadly interchangeable with seals from major manufacturers using the same dimensions. It is not designed for imperial shaft sizes unless the shaft measures exactly 30mm.

How do I know if I need a TC (double lip) or SC (single lip) seal?

A TC seal has a primary sealing lip to retain lubricant and a secondary dust lip to exclude contaminants — making it the better choice for most general-purpose and outdoor applications. An SC (single lip) seal retains lubricant only. If your equipment is exposed to dust, dirt, or moisture, TC is generally the recommended choice.

What is the operating temperature range of this NBR seal?

NBR rubber typically operates in a temperature range of approximately -40°F to +250°F (-40°C to +120°C). For applications exceeding this range, a silicone or FKM compound seal is generally recommended.

Can I buy just one seal, or do I need to buy a pack?

You can purchase as few as 1 piece. Pack options of 1, 2, 3, 5, 8, and 10 pieces are available for each size combination, so you can order exactly what you need — whether it's a single replacement or a workshop supply.

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

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