OIL SEAL - R23 TC Lip NBR Rotary Shaft Seal 35mm ID, OD 64–92mm

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OIL SEAL - R23 TC Lip NBR Rotary Shaft Seal 35mm ID, OD 64–92mm

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Size(ID x OD x Height): 35 x 64 x 8mm

Pack Quantity(Pcs): 1

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$5.37 USD

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R23 TC Oil Seal — 35mm ID NBR Rotary Shaft Seal That Stops Leaks and Keeps Contaminants Out

When a worn or mismatched shaft seal lets grease escape or lets dirt in, the damage spreads fast — to bearings, gearboxes, and the equipment around them. Mechanics, maintenance technicians, and DIY rebuilders who work on agricultural machinery, industrial gearboxes, automotive differentials, and power-transmission equipment need a rotary shaft seal they can trust to fit precisely and hold up under real working conditions.

Each seal in this listing features a fixed 35mm inner diameter (≈1.378") and is available in outer diameters ranging from 64mm to 92mm (≈2.52" to 3.62") with heights of 6mm to 12mm (≈0.24" to 0.47") — covering dozens of common metric housing bores. The R23 TC double-lip design pairs a primary NBR rubber sealing lip (for lubricant retention) with a secondary dust lip (for contamination exclusion), all bonded to a steel outer shell for rigid housing fit. Packs are available in quantities of 1, 2, 3, 4, 5, 8, or 10 pieces so you can stock exactly what you need.

Typical use cases include agricultural tractor PTO shaft sealing, industrial gearbox output shaft rebuilds, automotive rear axle and differential seal replacement, and general-purpose metric shaft seal applications where an ISO 6194 / DIN 3760 compatible TC-type seal is specified.

🔵 Compatibility Note: Inner diameter is fixed at 35mm. Select the variant that matches your housing bore (OD) and groove depth (Height). Metric dimensions follow ISO 6194 / DIN 3760 standards and are generally interchangeable with same-size seals from SKF, FAG, NSK, and other major brands.

✅ Key Features of These R23 TC NBR Rotary Shaft Seals

🔒 TC Double-Lip Design — The R23 TC lip arrangement combines a primary sealing lip for lubricant retention with a secondary dust exclusion lip, providing two barriers against contamination ingress in a single rotary shaft seal.
🧱 NBR Rubber Construction — Nitrile butadiene rubber delivers solid resistance to petroleum-based oils, greases, water, and mild chemicals across a broad operating temperature range, making it a reliable choice for gearbox and axle shaft seal applications.
⚙️ Steel-Reinforced Outer Shell — A rigid steel casing ensures consistent press-fit retention in the housing bore, reducing the risk of seal walk-out or rotation during operation — a common failure mode with all-rubber seals.
📐 Wide OD Range (64–92mm) — With 44 distinct size combinations available, this listing covers a broad range of metric housing bores for 35mm shafts, reducing the need to source seals from multiple suppliers for a single rebuild job.
📦 Flexible Pack Quantities — Available in packs of 1 through 10 pieces, so whether you need a single replacement seal or a workshop stock of metric shaft seals, you can order the exact quantity without overpaying for bulk minimums.
🔄 ISO 6194 / DIN 3760 Compatible — Dimensioned to metric standards, these seals are direct replacements for same-size TC oil seals from major manufacturers, simplifying cross-referencing during equipment maintenance and overhaul.

📐 Technical Specifications — R23 TC Rotary Shaft Oil Seal

Seal Type	TC (Double Lip — Primary Sealing Lip + Dust Lip)
Lip Profile	R23 TC
Inner Diameter (ID)	35mm (≈1.378")
Outer Diameter (OD)	64mm – 92mm (≈2.52" – 3.62") — see variant options
Height (Width)	6mm – 12mm (≈0.24" – 0.47") — see variant options
Lip Material	NBR (Nitrile Butadiene Rubber)
Shell Material	Steel (carbon steel outer casing)
Operating Temperature	Typically -40°F to +250°F (-40°C to +120°C)
Max Shaft Speed	Contact us to confirm for your application
Pressure Rating	Generally up to 0.3 MPa (~43 PSI) — low-to-medium pressure
Dimensional Standard	ISO 6194 / DIN 3760 (metric)
Fluid Compatibility	Petroleum oils, greases, water, mild chemicals (not aromatic fuels or ozone)
Pack Quantity Options	1, 2, 3, 4, 5, 8, or 10 pieces per order
Color / Finish	See variant options
Country of Origin	Contact us to confirm

⚠️ Sizing Tip: Always verify all three dimensions — ID, OD, and Height — against your equipment's shaft and housing before ordering. A seal that is correct in two dimensions but wrong in the third will not seal properly.

❓ Frequently Asked Questions

How do I choose the right oil seal size?

Match the seal to your shaft's inner diameter (ID), housing bore (OD), and groove depth (Height). All three dimensions must align for a proper fit. For example, a 35 x 70 x 10mm seal has a 35mm ID (≈1.38"), 70mm OD (≈2.76"), and 10mm height (≈0.39"). When in doubt, measure your existing seal with calipers or consult your equipment service manual.

What does TC lip arrangement mean?

TC (Type C) refers to a double-lip design: a primary sealing lip that retains lubricant and a secondary dust lip that blocks contaminants from entering. This dual-barrier construction is generally more effective than single-lip (SC) seals in dirty or wet environments such as agricultural equipment and outdoor machinery.

What is the load or pressure rating of these seals?

NBR TC oil seals are typically rated for low-to-medium pressure applications (generally up to 0.3 MPa / ~43 PSI). They are designed for dynamic shaft sealing — retaining lubricant while the shaft rotates — rather than high-pressure hydraulic containment. Contact us to confirm suitability for your specific application.

Can these seals be used outdoors or in wet conditions?

NBR (nitrile rubber) offers good resistance to water, petroleum oils, and mild chemicals, making it suitable for many outdoor and wet environments. However, NBR is not recommended for prolonged exposure to ozone, strong UV radiation, or aromatic fuels. For harsh outdoor or chemical environments, FKM (Viton) seals are generally a better choice.

What shaft and housing standards are these seals compatible with?

These seals are dimensioned in metric (mm) and are compatible with metric shafts and housings following ISO 6194 / DIN 3760 standards. They are generally interchangeable with same-size TC oil seals from major manufacturers (SKF, FAG, NSK, Timken, etc.). Always verify OD and housing bore tolerance before installation to ensure a proper press fit.

How do I know if I need a 35mm ID seal vs. a different size?

The inner diameter (ID) must match your shaft diameter exactly. If your shaft measures 35mm (≈1.378"), this product line is the correct starting point. Then select the OD to match your housing bore and the height to fit your groove depth. If your shaft is a different diameter, please browse our other oil seal listings for the correct ID.

What temperature range can NBR oil seals handle?

NBR rubber typically performs reliably in a temperature range of approximately -40°F to +250°F (-40°C to +120°C). Continuous operation near the upper limit may accelerate lip wear over time. For higher-temperature applications (above 120°C), FKM (Viton) material is generally recommended.

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

OIL SEAL - R23 TC Lip NBR Rotary Shaft Seal 35mm ID, OD 64–92mm

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Beschreibung

R23 TC Oil Seal — 35mm ID NBR Rotary Shaft Seal That Stops Leaks and Keeps Contaminants Out

✅ Key Features of These R23 TC NBR Rotary Shaft Seals

📐 Technical Specifications — R23 TC Rotary Shaft Oil Seal

❓ Frequently Asked Questions

OIL SEAL - R23 TC Lip NBR Rotary Shaft Seal 35mm ID, OD 64–92mm

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