O-Ring & X-Ring Sealed Chains Manufacturers

O-ring motorcycle chains

Product Introduction: Upgrade your ride with O-ring motorcycle chains – the ultimate choice for dura...
X-ring motorcycle chains

Product Introduction: X-ring motorcycle chains are engineered to deliver exceptional durability and ...
Mechanical transmission sealed chains

Product Introduction: Designed with advanced sealing technology, Mechanical transmission sealed chai...

O-ring chain is made of high-strength metal material, has wear resistance, can be used for a long time in high-speed transmission system without being easily damaged. The surface of O-ring chain is specially treated, which can effectively prevent the erosion of corrosive substances and extend the service life.O-ring chain can work normally in high-temperature environment and will not be deformed or damaged due to temperature increase. O-ring chain has good sealing performance, which can effectively prevent the leakage of lubricating oil or other liquids and maintain the normal operation of the transmission system. X-ring sealed roller chain is based on the traditional roller chain, with an X-shaped cross-section seal ring installed between the inner and outer links to prevent lubricating oil leakage and foreign matter from entering the chain link, thereby significantly improving the durability and transmission performance of the chain. It forms four sealing edges in contact with the chain link, which has a better sealing advantage than the traditional O-ring (two seals). The X-ring has a reasonable contact angle with the chain plate, and the friction resistance is smaller than that of the O-ring, which makes the operation lighter and faster. Multi-point contact improves the sealing integrity and reduces the entry of dust, moisture and sand.

About Us

Hangzhou Qianjiang Chain Industries Co., Ltd.

Hangzhou Qianjiang Chain Industries Co., Ltd. was founded in 1987, as China O-Ring & X-Ring Sealed Chains Manufacturers and Oil Seal Chains Factory, specializing in the production of A.B series precision roller chains, motorcycle special chains and high-end oil seal chains, all kinds of logistics transportation machinery chains, dustproof and waterproof industrial oil seal chains and agricultural machinery chain, lifting machine chain, silent tooth transmission chain, steples transmission chain, intelligent door and window bending chain, stainless steel chain, non-standard special chain and sprocket. Since 1991, in cooperation with Jilin University of Technology chain Transmission Research Institute of China chain Research Institute, the PIV steples transmission chain and CL series silent tooth chain have been optimized and upgraded, the high-end motorcycle oil seal chain and heavy-duty series precision roller chain have been developed, and the cooperation of production, learning and research has been established.

Certificate Of Honor

News

How to Adjust the Tension of a Side Bow Roller Chain Correctly
2026-04-10
A side bow roller chain — also called a lateral flex chain or S-flex chain — is a specialized type of roller chain engineered to travel along curved horizontal paths, making it indispensable in conveying systems, bottling lines, packaging machinery, and material handling equipment where straight-line conveying is not p...
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O-Ring vs X-Ring Chain: Which One Should You Choose for Your Motorcycle?
2026-04-03
What Are Sealed Chains and Why Do They Matter? A sealed chain is a drive chain in which each pin-and-bushing joint is fitted with a small elastomeric seal that traps grease inside the roller link during manufacture. In an unsealed chain, this joint is exposed to air, water, road grit, and sand — all of which wash out f...
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A Series vs B Series Roller Chains: Standards, Dimensions, and Selection
2026-03-23
A Series and B Series Roller Chains: The Two Major Standards and Why They Are Not Interchangeable Roller chains are power transmission components used to transfer mechanical energy between two or more sprockets. They are among the most widely produced mechanical components in the world, found in everything from bicycl...
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O-Ring & X-Ring Sealed Chains Industry knowledge

1. Understanding O-Ring Sealed Chains

O-ring sealed chains are commonly used in applications that require high durability and low maintenance. The O-ring is placed between the inner and outer plates of the chain, creating a seal that helps retain lubrication and protects against contaminants. This feature significantly reduces wear, extends the lifespan of the chain, and minimizes the need for frequent maintenance.

Here are the key benefits of O-ring sealed chains:

Improved lubrication retention
Protection from dirt and debris
Longer lifespan and less frequent maintenance
Enhanced performance in harsh conditions

2. The Benefits of X-Ring Sealed Chains

X-ring sealed chains are similar to O-ring chains but with an enhanced design. The X-shaped ring creates a more effective seal, providing better lubrication retention and preventing contamination. The unique shape of the X-ring reduces friction, leading to smoother operation and longer chain life, especially under high loads.

The advantages of X-ring sealed chains include:

Superior sealing performance
Reduced friction and wear
Increased longevity under heavy loads
Better resistance to contaminants and dirt

3. Oil Seal Chains: A Practical Choice for Heavy-duty Applications

Oil seal chains are designed with seals that keep oil in the chain, ensuring consistent lubrication. These chains are ideal for environments where the chain operates under high load and requires constant lubrication. The seals are effective in retaining the oil, reducing friction and wear, and ensuring the smooth performance of the chain for extended periods.

Some key advantages of oil seal chains are:

Maintains constant lubrication for high-performance operations
Reduces maintenance intervals and downtime
Extends the chain's service life
Effective under heavy-duty, high-load applications

4. Choosing the Right Chain for Your Application

Selecting the right chain type—whether O-ring, X-ring, or oil seal—depends on several factors including the operating environment, load requirements, and maintenance preferences. O-ring chains are ideal for general use where moderate protection from dirt and contaminants is needed. X-ring chains provide an advanced seal and are best for heavy-duty applications where minimizing friction and wear is critical. Oil seal chains are specifically designed for situations where constant lubrication is required, particularly in heavy-load operations.

When selecting a chain, consider the following factors:

Environment and exposure to contaminants
Load-bearing requirements
Lubrication needs
Frequency of maintenance

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O-Ring & X-Ring Sealed Chains Custom

Products

O-Ring & X-Ring Sealed Chains Manufacturers

O-ring motorcycle chains

X-ring motorcycle chains

Mechanical transmission sealed chains

1. Understanding O-Ring Sealed Chains

2. The Benefits of X-Ring Sealed Chains

3. Oil Seal Chains: A Practical Choice for Heavy-duty Applications

4. Choosing the Right Chain for Your Application

Web Menu

Product Search

Language

Share

Exit Menu

Submit feedback

O-Ring & X-Ring Sealed Chains Custom

Products

O-Ring & X-Ring Sealed Chains Manufacturers

O-ring motorcycle chains

X-ring motorcycle chains

Mechanical transmission sealed chains

1. Understanding O-Ring Sealed Chains

2. The Benefits of X-Ring Sealed Chains

3. Oil Seal Chains: A Practical Choice for Heavy-duty Applications

4. Choosing the Right Chain for Your Application