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Zexus

Trusted Industrial Chain Solutions Backed by 100+ Years of Innovation

As Japan’s pioneering chain manufacturer since 1910, ZEXUS provides high-performance industrial chains for conveyors, water treatment, steel plants, and more—trusted for strength, reliability, and precision.

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ANSI & BS Roller Chains – High-Quality Power Transmission Standards

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ZEXUS roller chains are manufactured to meet global standards, delivering superior performance, durability, and resistance to wear and elongation.

ANSI Roller Chain (JIS B 1801 Compliant)

The ANSI roller chain is ZEXUS's standard type, built in accordance with JIS B 1801. It features:

  • Solid bushing and solid roller construction
  • Seamless design for improved strength and reduced initial elongation
  • Excellent wear resistance for extended operational life
  • Ideal for high-performance, continuous-duty applications

BS Roller Chain (British Standard)

The BS roller chain is manufactured to the British Standard, offering:

  • Reliable power transmission for European-standard machinery
  • Compatibility with a wide range of industrial applications
  • Built to ensure long service life and consistent performance

Double Capacity Roller Chains – Twice the Strength in a Single Strand

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ZEXUS Double Capacity Chains revolutionize heavy-duty power transmission by delivering nearly double the breaking strength of conventional roller chains — while maintaining a single strand design.

Key Features:

  • Designed with twice the number of side plates as standard single-strand chains
  • DC (Double Capacity) and TC (Triple Capacity) types are compatible with standard sprockets
  • Significantly higher load capacity with no need for double-strand setups
  • Space-saving design — approx. 25% narrower than double-strand chains
  • Weight reduction of approx. 5%, improving system efficiency
  • Ideal for steel, cement, and heavy machinery applications requiring compact yet powerful drive systems

Additional Options:

  • Available in BS (British Standard) types
  • Double Pitch variants also supported for extended applications

Freedom Series Self-Lubricating Chains

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Freedom Series Self-Lubricating Chains – Maintenance-Free, Clean, and Efficient

Freedom Series Chains are engineered to perform without the need for additional lubrication, making them ideal for applications where cleanliness, efficiency, and low maintenance are critical.

Key Features:

  • Oil-impregnated sintered steel bushings deliver built-in self-lubrication
  • Eliminates the need for external lubrication in daily operations
  • Ideal for environments where hygiene and cleanliness are essential
  • Designed for use in inaccessible or hard-to-maintain areas

Suitable Industries:

  • Packaging
  • Printing
  • Food Processing
  • Textile Manufacturing
  • Other industries requiring clean, maintenance-free operation

O-Ring Chain

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O-Ring Chain – Sealed Performance for Harsh and Dusty Environments

O-Ring Chains are designed to retain internal lubrication using a built-in O-ring seal, ensuring smooth and long-lasting operation even when external oiling is difficult or undesirable.

Key Features:

  • O-ring seal effectively maintains lubricant inside the chain
  • Ideal for environments where external oiling is challenging or impractical
  • Helps prevent issues caused by oil residue or contamination
  • Reduces wear and extends chain life in dusty or dirty conditions

Recommended Applications:

  • Areas where maintenance access is limited
  • Situations where oil exposure must be minimized
  • Dusty or particle-heavy environments where open-lubrication attracts contaminants

Attachment Roller Chain

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Attachment Roller Chain – Versatile Conveying with Built-In Attachments

Attachment Double Pitch Roller Chains combine the durability of double pitch roller chains with custom attachments for flexible material handling and conveying applications.

Key Features:

  • Based on standard double pitch roller chain design
  • Factory-assembled attachments for reliable and consistent performance
  • Ideal for conveyors, transport systems, and automated assembly lines
  • Supports custom or standard attachment types for diverse operational needs

Benefits:

  • Extended pitch length allows for lighter, cost-effective conveying
  • Ready-to-use configuration minimizes installation time
  • Suitable for low-speed, long-distance transport applications

Top Roller Chain

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Top Roller Chain – Continuous Drive with Integrated Load Handling

Top Roller Chains feature rollers mounted on top of the chain, allowing goods to rest directly on the rollers while the chain continues to move underneath. This unique design enables controlled stopping, holding, or transferring of goods without halting chain operation.

Key Features:

  • Rollers positioned above the chain support conveyed items directly
  • Allows goods to stop or accumulate while the chain continues to run
  • Reduces friction and wear on both chain and products
  • Plastic rollers available for lightweight, low-noise operation
  • Ideal for buffer zones, stop-and-go systems, and automated conveyors

Applications:

  • Packaging lines
  • Logistics and warehousing
  • Food and beverage transport
  • Lightweight assembly lines

Large Conveyor Chain

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Standard Sprocket

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Standard Sprocket – Optimized Design for Maximum Chain Drive Efficiency

Standard sprockets are engineered through extensive experience to deliver superior performance and durability in chain-based power transmission systems.

Key Features:

  • Precisely designed to ensure perfect engagement with power transmission chains
  • Manufactured to deliver maximum efficiency and smooth operation
  • Compatible with standard roller chains for seamless integration
  • Available in various sizes, materials, and tooth configurations

Benefits:

  • Reduces wear on chain and sprocket for longer service life
  • Minimizes vibration and noise during operation
  • Ensures reliable and efficient torque transfer across applications

Single-Double Sprocket

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Single-Double (SD) Sprocket – Dual-Chain Drive Solution for Roller Conveyors

Single-Double (SD) Sprockets are specially designed to engage two single-strand chains simultaneously, making them ideal for driving roller conveyors in synchronized motion.

Key Features:

  • Works with two parallel single-strand roller chains
  • Ensures synchronized, balanced drive across conveyor systems
  • Manufactured from structural carbon steel for durability
  • Induction-hardened teeth for long-lasting wear resistance
  • Available in custom and standard sizes for flexible design compatibility

Applications:

  • Roller conveyors in packaging, logistics, warehousing, and material handling
  • Systems requiring even load distribution and dual-side chain drive

Stainless Steel Sprockets

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Stainless Steel Sprocket (SCS2) – Superior Corrosion Resistance and Extended Lifespan

SCS2 Stainless Steel Sprockets are engineered for environments where corrosion resistance, durability, and minimal maintenance are critical. Designed to work in synergy with stainless steel chains, they deliver exceptional wear life and reliable performance.

Key Features:

  • Made from SCS2-grade stainless steel for enhanced corrosion resistance
  • Minimizes wear and oxidation, even in harsh or wet conditions
  • Extends the service life of both the sprocket and the chain
  • Ideal for food processing, pharmaceutical, chemical, and outdoor applications

Optional Saver Sprocket:

  • Saver sprocket design reduces tooth wear and further increases overall system life
  • Promotes consistent, long-term performance with reduced replacement frequency

Replaceable Piece Tooth Sprocket

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Replaceable Segment Teeth Sprocket – Cost-Efficient Maintenance with Modular Design

Replaceable Segment Teeth Sprockets are built for efficiency, longevity, and simplified maintenance, combining a durable main body with modular tooth segments that can be easily replaced without dismantling the entire sprocket.

Key Features:

  • Composed of a structural steel main body and bolt-on segmented teeth inserts
  • Teeth inserts available in stainless steel or high-strength plastic, depending on application
  • Easy replacement by simply removing and reinstalling bolts — no need to disassemble the sprocket
  • Reduces downtime and replacement costs, ideal for high-wear environments
  • Supports custom tooth materials for specific industry needs (e.g., food-grade, chemical-resistant)

Benefits:

  • Fast and efficient maintenance
  • Minimized operational disruption
  • Extended sprocket lifespan by replacing only the worn segments
  • Ideal for heavy-duty, corrosive, or high-frequency use applications