Oil Seal Just in One Place - The Ultimate Solutions
Looking for an Oil seal Radial Rotary Seal supplier? This ultimate guide will help you understand everything about wholesaling high-quality Oil seal and sealing solutions.
About
Hi, I’m Serena from Hengoseal, an oil seal supplier in China. We specialize in providing oil seals. With over 10 years of experience, we ensure top-notch sealing solutions that meet your needs.
We provide
- Low MOQ
- Fast delivery(Within 3days)
- Custom O rings
- High quality
- Competitive pricing

Table of Contents

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Why Purchase Oil seal from Us?
Choosing the right oil seal supplier is crucial for ensuring long-lasting and leak-proof performance.

Here are a few reasons why you should consider purchasing from us:
- High-Quality Materials – Our oil seals are made from NBR, FKM, and other premium materials for superior durability.
- Customization Available – Need a specific size or material? We offer tailored solutions
- Fast Delivery – With an efficient production line, we can ship within 3 days
- Low MOQ & Competitive Pricing – We cater to both small and bulk orders at factory-direct prices
Want to know how we can do business? Let’s talk!
Types of Oil Seals
Hengoseal specializes in high-quality oil seals in bulk. Here are some of the popular oil seal types that our clients love
- TG4 Skeleton Seal – A high-performance skeleton oil seal designed for rotating shafts, ensuring excellent oil leakage prevention and durability.
- Split Opening Skeleton Oil Seal – A split-type oil seal, making it easy to install and replace without disassembling machinery.
- K Oil Seal – A high-temperature-resistant oil seal, ideal for heavy-duty industrial applications.
- K Oil Seal Cover – A protective cover for K-type oil seals, enhancing durability and preventing external contamination.
- TC Oil Seal – A dual-lip oil seal with an outer rubber coating, providing superior dust resistance and leak prevention.
- VD Seal – A high-performance rotary seal, used in dynamic applications requiring tight sealing.
- VS Seal – A durable oil seal with enhanced wear resistance, commonly used in high-pressure environments.
- TCV TCN BABSL Oil Seal – A reinforced oil seal for extreme conditions, offering high resistance to oil, grease, and high speeds.
- U Oil Seal – A versatile sealing solution, mainly used in hydraulic and pneumatic systems.
- Y UN Molding Seal – A precision-molded high-flexibility oil seal, suitable for various sealing applications.
- Z Oil Seal – A general-purpose oil seal, ensuring smooth operation in rotating components.
- J Oil Seal – A skeleton-free oil seal, providing excellent flexibility and adaptability in high-performance environments.
oil seals by size
Oil Seal Type | Material | Inner Diameter (mm) | Outer Diameter (mm) | Thickness (mm) |
---|---|---|---|---|
TG4 Skeleton Oil Seal | NBR/FKM | 10 to 300 | 20 to 400 | 4 to 20 |
Split Opening Skeleton Oil Seal | NBR/FKM | 15 to 250 | 30 to 420 | 5 to 15 |
K Type Skeleton Oil Seal | FKM | 12 to 280 | 25 to 450 | 6 to 18 |
EC End Cap | NBR | 20 to 350 | 40 to 500 | 5 to 12 |
DKB Skeleton Dust Seal | NBR | 18 to 300 | 35 to 480 | 3 to 10 |
GA Skeleton Dust Seal | NBR | 25 to 320 | 45 to 500 | 4 to 14 |
VD Seal | NBR/FKM | 10 to 280 | 22 to 400 | 5 to 12 |
VS Seal | NBR/FKM | 15 to 250 | 30 to 420 | 6 to 18 |
Z Type Seal | NBR | 12 to 280 | 25 to 450 | 6 to 18 |
J Type Skeleton-Free Oil Seal | NBR | 20 to 300 | 40 to 500 | 5 to 12 |
Y Type Molding Seal | NBR/FKM | 18 to 280 | 35 to 480 | 3 to 10 |
TCV High-Pressure Oil Seal | NBR/FKM | 25 to 320 | 45 to 500 | 4 to 14 |
Estimated Oil seal Price

Standard Oil Seals (NBR/FKM): $0.50 – $5.00 per unit
Kristy Brooks

High-Pressure Seals: $2.00 – $10.00 per unit
Jason Mark

Custom Orders: Prices vary based on specifications.
or bulk orders, discounted pricing is available.
Barbara Simonds
Oil Seal
Estimated Manufacturing and Shipping Times
Our streamlined process guarantees quick turnaround times while maintaining superior sealing performance for all applications.
Manufacturing Time
1-5 business days (depending on order volume).
Custom Orders
Delivery time can be 5-10 business days for highly customized products.
Shipping Time
Typically 7-14 days for international orders, depending on your location.
Our promise
We are committed to providing quick and reliable service, ensuring your Oil seals are delivered in the shortest time possible without compromising on quality.
The Whole Process of Oil Seal Production
We work efficiently to deliver high-quality Oil seals on time. Here’s a breakdown of the whole production process:

Design and Manufacturing Time
We use high-quality NBR, FKM, and other elastomers to mold oil seals according to specifications.

Quality Control and Testing
Every batch undergoes rigorous leak-proof, pressure, and durability tests to ensure performance.

Packaging and Shipping
All seals are securely packed to prevent damage and shipped via trusted logistics partners.

Customization and Adjustments
For specialized applications, we modify size, material, and design as needed.
Oil seal you need to know
What is an oil seal and how does it work?
An oil seal, also known as a shaft seal or rotary seal, is a critical component used in machinery and automotive systems to prevent lubricant leakage and block contaminants like dust, dirt, and moisture. It works by forming a tight barrier around rotating shafts, ensuring smooth operation and extended equipment life.
How to choose the right oil seal for my application?
Selecting the right oil seal depends on several factors: Operating Speed & Pressure – Choose a seal rated for your system’s RPM and pressure levels. Material Compatibility – NBR oil seals are great for general applications, while FKM oil seals resist high temperatures and chemicals. Seal Type – Use dual-lip seals for extra dust protection and high-pressure seals for hydraulic systems.
How long do oil seals last, and how can I extend their lifespan?
The lifespan of an oil seal varies based on operating conditions, but they generally last 3-5 years. To extend longevity: Use the right material for your application (NBR for standard use, FKM for high-temperature conditions). Ensure proper installation to avoid damage or leakage. Lubricate appropriately to prevent premature wear. Inspect regularly for signs of cracks, hardening, or leakage, and replace if necessary.
What are the different types of oil seals?
There are several types of oil seals, each designed for different applications: TC Oil Seal – Dual-lip design for enhanced sealing and dust protection. TG4 Skeleton Oil Seal – Used in high-speed rotating shafts. Split Opening Oil Seal – Easy installation without disassembling machinery. K Type Oil Seal – Ideal for high-temperature and high-pressure environments. TCV High-Pressure Oil Seal – Designed for hydraulic and industrial applications.
What materials are oil seals made of, and which one is best?
Oil seals are typically made from: NBR (Nitrile Rubber) – Affordable and resistant to oil and grease, suitable for general industrial use. FKM (Fluorocarbon Rubber) – Withstands high temperatures and chemicals, ideal for automotive and hydraulic systems. PTFE (Teflon Oil Seal) – Used in extreme conditions with aggressive chemicals and high speeds. Choosing the best oil seal material depends on temperature, pressure, and fluid compatibility.
Where can I buy high-quality oil seals at wholesale prices?
For wholesale oil seals, choose a supplier that offers: High-quality NBR/FKM materials for durability. Custom sizes tailored to your requirements. Fast delivery with a 3-day production time for urgent orders. Competitive factory pricing with low MOQ.