TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal
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TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft SealTC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal

TC Oil Seal R23 NBR | 35mm ID × 53–63mm OD | Rotary Shaft Seal

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Price:
$2.52 USD
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In stock (500 units), ready to be shipped

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Description

TC Oil Seal R23 NBR — 35mm ID Rotary Shaft Seal for Gearboxes, Pumps & Axles

When a leaking shaft seal turns a routine service call into a messy, time-consuming job, having the right replacement on hand makes all the difference. Mechanics, equipment technicians, and serious DIYers working on gearboxes, hydraulic pumps, agricultural machinery, and automotive axles rely on correctly sized TC oil seals to keep lubricants in and contaminants out.

Each seal in this listing features a 35mm inner diameter (ID) and is available in outer diameters (OD) ranging from 53mm to 63mm (≈2.09\u201d to 2.48\u201d), with heights spanning 5mm to 13mm (≈3/16\u201d to 1/2\u201d). The R23 TC double-lip design is constructed from NBR (nitrile butadiene rubber) bonded to a steel case, providing a firm press-fit into the housing bore. Select your exact size combination and pack quantity from the variant options above.

Typical applications include gearbox output shaft seals, rotary pump shaft seals, agricultural PTO shaft seals, and rear axle pinion seals — anywhere a 35mm shaft passes through a housing that requires a reliable fluid barrier.

ℹ️ Compatibility Note: This seal fits 35mm shafts with housing bores matching the OD you select (53–63mm). Verify both the OD and height against your original seal or equipment manual before ordering. R23 / DIN 3760 TC profile.

✅ Key Features of These TC Oil Seals

  • 🔩R23 TC Double-Lip Design — The primary sealing lip retains oil and grease while the secondary dust lip blocks dirt, debris, and moisture from reaching the shaft — a standard rotary shaft seal configuration used across industrial and automotive equipment.
  • 🧪NBR Rubber Construction — Nitrile rubber delivers solid resistance to petroleum-based oils, greases, and hydraulic fluids, with a typical service range of -40°F to +250°F (-40°C to +120°C), making it suitable for most gearbox and pump environments.
  • 🏗️Steel-Reinforced Case — A rigid steel outer shell ensures a secure, concentric press-fit into the housing bore, maintaining seal position under vibration and thermal cycling without distortion.
  • 📐Wide Size Matrix — 35mm ID Fixed — With OD options from 53mm to 63mm and heights from 5mm to 13mm, this listing covers a broad range of housing configurations for 35mm shafts, reducing the need to source from multiple suppliers.
  • 📦Flexible Pack Quantities — Available in packs of 1, 2, 3, 5, 8, 10, or 20 pieces (availability varies by size), so you can order exactly what you need — whether it's a single emergency replacement or workshop stock for fleet maintenance.
  • 🔄DIN 3760 / R23 Profile Compliance — Conforms to the widely adopted R23 TC rotary shaft seal standard, ensuring dimensional interchangeability with OEM and aftermarket seals across European, Asian, and North American equipment platforms.

📐 Technical Specifications — TC Rotary Shaft Oil Seal

Seal Type TC (Double Lip, R23 Profile)
Standard DIN 3760 / R23
Inner Diameter (ID) 35mm (≈1.378\u201d) — fixed across all variants
Outer Diameter (OD) 53mm to 63mm (≈2.09\u201d to 2.48\u201d) — see variant options
Height (Width) 5mm to 13mm (≈3/16\u201d to 1/2\u201d) — see variant options
Lip Material NBR (Nitrile Butadiene Rubber)
Case Material Steel (carbon steel, press-fit outer shell)
Operating Temperature -40°F to +250°F (-40°C to +120°C) typical for NBR
Max Shaft Speed See variant options or contact us to confirm
Max Pressure Generally up to 0.3 bar (4.4 psi) — low-pressure rotary applications
Fluid Compatibility Petroleum oils, gear oils, greases, hydraulic fluids (mineral-based)
Pack Quantity 1 / 2 / 3 / 5 / 8 / 10 / 20 pcs (availability varies by size)
Condition New
Country of Origin China
⚠️ Before ordering: Measure your original seal's ID, OD, and height, or check your equipment's parts manual. The OD must match your housing bore; the height must fit within the bore depth. If you are unsure, contact us with your measurements.

❓ Frequently Asked Questions

How do I choose the right height (width) for my TC oil seal?

Measure the axial depth of the seal bore in your housing. The seal height must fit within that depth without protruding. For example, a 7mm (≈9/32\u201d) height suits shallow housings, while 12–13mm (≈1/2\u201d) suits deeper bores. When in doubt, measure the original seal or consult your equipment manual.

What load or pressure can these TC oil seals handle?

TC-type rotary shaft seals are generally designed for low-to-medium pressure applications — typically up to 0.3 bar (4.4 psi) of differential pressure. They are not intended for high-pressure hydraulic circuits. For exact ratings, contact us to confirm.

Can these oil seals be used outdoors or in wet environments?

NBR (nitrile rubber) offers good resistance to water, oil, and mild weather exposure. However, for prolonged UV exposure or saltwater environments, a FKM (Viton) seal is generally more suitable. These NBR seals work well in most standard outdoor machinery applications.

What shaft and bore standards are these seals compatible with?

These seals follow the R23 / DIN 3760 TC profile standard, which is widely used across European and Asian machinery. The 35mm inner diameter fits standard 35mm shafts. Always verify the OD matches your housing bore before ordering.

What is the operating temperature range for NBR oil seals?

NBR rubber typically operates reliably from -40°F to +250°F (-40°C to +120°C). Short-term peaks up to +275°F (+135°C) are generally tolerated. For continuous high-heat applications above these ranges, consider a silicone or FKM alternative.

How do I install a TC rotary shaft seal correctly?

Clean the housing bore and shaft. Lightly lubricate the seal lip with the fluid it will retain. Press the seal in squarely using a seal driver or a flat block — never hammer directly on the seal face. The primary lip faces the fluid side; the secondary dust lip faces outward.

Which pack quantity should I order?

For a single repair, order 1–2 pcs. For workshop stock or fleet maintenance, packs of 5–10 offer better per-unit value. Packs of 20 are available for select sizes and are ideal for high-volume service operations.

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

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