20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals
20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals
20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals
20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals
20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals
20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals
Roll over image to zoom in Click on image to zoom
20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals

20PC S-Series TC NBR Double Lip Oil Seal 28mm ID – Rotary Shaft Seals

HomeDIYer
No reviews

By HomeDIYer®

Price:
$18.92 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay iDEAL Wero Mastercard PayPal Shop Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
✅ Auto-discount • 🔄 Mix & match
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
WhatsApp WhatsApp Email
⚡
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Description

TC NBR Double Lip Oil Seal 28mm ID — Stop Leaks Before They Stop Your Equipment

When a worn shaft seal lets oil escape into a gearbox housing or allows grit into a pump bearing, the repair bill grows fast. Mechanics, maintenance technicians, and DIY equipment owners who service motors, axles, agricultural machinery, or hydraulic pumps need a reliable stock of correctly sized rotary shaft seals — not a two-week wait for a single replacement.

This listing provides a 20-piece set of S-Series TC skeleton oil seal rings in NBR (Nitrile Butadiene Rubber) with a fixed inner diameter of 28mm (≈1.10"). Outer diameter and thickness vary by variant, ranging from 35mm to 52mm OD and 7mm to 12mm thick — covering a wide spread of metric housing bores. The steel skeleton insert keeps the seal body rigid during press-fit installation, while the NBR compound resists petroleum oils, greases, and common hydraulic fluids.

Typical applications include gearbox output shaft sealing, electric motor end-cap seals, agricultural equipment axle seals, and hydraulic pump shaft seals — anywhere a 28mm rotary shaft passes through a lubricated housing and needs a dependable barrier against leakage and contamination ingress.

🔵 Compatibility Note: All variants share a 28mm inner diameter. Select your variant by matching the outer diameter (OD) and thickness to your housing bore. Confirm measurements before ordering — see the size guide in the FAQ below.

✅ Key Features of These TC NBR Double Lip Rotary Shaft Oil Seals

  • 🔩TC Double-Lip Design — The primary lip seals in oil or grease while the secondary dust lip blocks dirt, water, and debris from reaching the bearing — a dual-barrier system suited for both clean and contaminated environments.
  • 🧲Steel Skeleton Reinforcement — An internal metal insert maintains the seal's round shape during press-fit installation and prevents distortion under radial load, ensuring consistent contact with the shaft surface.
  • 🛢️NBR Compound Fluid Resistance — Nitrile rubber resists petroleum-based oils, mineral greases, diesel fuel, and common hydraulic fluids — making these seals a practical choice for gearbox and pump shaft sealing applications.
  • 📐22 Size Options, One Inner Diameter — With OD choices from 35mm to 52mm and thickness from 7mm to 12mm, this listing covers a broad range of metric housing bores for 28mm shafts without needing to source from multiple suppliers.
  • 📦20-Piece Workshop Pack — Each order ships 20 identical seals of your chosen size — enough for scheduled fleet maintenance, a full rebuild job, or keeping spares on the shelf to avoid costly downtime on future repairs.
  • 🌡️Wide Operating Temperature Range — NBR seals of this type typically perform from -40°F to +212°F (-40°C to +100°C), covering most ambient and under-hood operating conditions found in light industrial and agricultural equipment.

📐 Technical Specifications — TC Skeleton Oil Seal Rings

Seal Type TC (Double Lip, Skeleton / Spring-Loaded)
Material NBR (Nitrile Butadiene Rubber) with steel skeleton insert
Inner Diameter (ID) 28mm (≈1.102")
Outer Diameter (OD) 35mm – 52mm (≈1.38" – 2.05") — see variant options
Thickness 7mm – 12mm (≈0.28" – 0.47") — see variant options
Lip Configuration Dual lip — primary sealing lip + secondary dust exclusion lip
Fluid Compatibility Petroleum oils, mineral greases, diesel, common hydraulic fluids
Temperature Range Typically -40°F to +212°F (-40°C to +100°C)
Max Shaft Speed Typically up to 4–6 m/s surface speed (contact us to confirm for high-speed use)
Pressure Rating Generally suitable for low-to-moderate pressure (under 0.05 MPa / ~7 psi)
Quantity per Order 20 pieces (same size)
Series S-Series
Color / Finish See variant options
Standards Compliance Contact us to confirm
⚠️ Size Tip: Measure your housing bore (OD) and depth (thickness) with calipers before selecting a variant. A seal that is too small in OD will not seal the bore; one that is too thick may not seat fully. When in doubt, contact us to confirm compatibility.

❓ Frequently Asked Questions

How do I choose the right oil seal size for my application?

Measure three dimensions: the shaft inner diameter (ID), the housing bore outer diameter (OD), and the housing depth (thickness). All variants in this listing share a 28mm (≈1.10") inner diameter. Select the OD and thickness that match your housing bore. For example, if your bore is 42mm wide and 8mm deep, choose the 28 x 42 x 8 mm variant. When in doubt, consult your equipment manual or contact us to confirm.

What does TC double lip mean on an oil seal?

TC stands for a skeleton-reinforced, double-lip design. The primary lip retains oil or grease inside the housing, while the secondary dust lip blocks contaminants — dirt, water, and debris — from entering the bearing or shaft area. This dual-barrier construction generally outperforms single-lip (SC) seals in dirty or wet operating environments.

Is NBR rubber suitable for outdoor or high-temperature use?

NBR (Nitrile Butadiene Rubber) typically handles temperatures from -40°F to +212°F (-40°C to +100°C) and resists petroleum-based oils, fuels, and hydraulic fluids. It is generally suitable for outdoor mechanical applications but is not recommended for prolonged exposure to ozone, ketones, or esters. For extreme heat or aggressive chemical environments, consider FKM (Viton) seals instead.

What shaft speed and pressure can these seals handle?

TC skeleton oil seals of this type are typically rated for shaft surface speeds up to approximately 4–6 m/s and low-to-moderate pressure differentials (generally under 0.05 MPa / ~7 psi). For high-speed spindle or high-pressure hydraulic applications, verify your specific equipment requirements and contact us before ordering.

Are these seals compatible with metric shafts and housings?

Yes. All dimensions follow metric standards (mm). The 28mm ID fits standard metric shafts. OD and thickness options span common metric housing bores from 35mm to 52mm. If your equipment uses inch-based dimensions, convert carefully — 28mm is approximately 1.102", and ODs range from approximately 1.38" to 2.05".

Why buy a 20-pack instead of individual seals?

Oil seals are wear items that need periodic replacement. A 20-piece pack ensures you have spares on hand for scheduled maintenance, fleet servicing, or workshop stock — reducing downtime and repeat shipping costs. Each pack contains 20 seals of the same selected size variant.

How do I install a TC oil seal correctly?

Clean the housing bore and shaft. Lightly lubricate the seal lip with the fluid it will retain. 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 surface. Avoid nicking the lip on keyways or splines during installation.

🛒 Select your size (I.D × O.D × Thickness) above, then add to cart — ships from our US warehouse.

You may also like

Recently viewed