Chain Coupling

Industrial Chain Couplings

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As one of leading chain coupling manufacturers, suppliers and exporters of products, We offer chain coupling and many other products.

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  • Applicable Industries:Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Farms, Construction works , Energy & Mining, metallurgy/engineering
  • Structure:Roller Chain
  • Flexible or Rigid:Flexible
  • Standard or Nonstandard:Standard
  • Material:Steel
  • Brand Name:EP
  • Place of Origin:Henan, China
  • Color:Red,yellow, blue etc.

Product parameters

Product Name industrial chain couplings
DN mm 16~190mm
Rated Torque 40~25000 N·m
Allowable speed 4500~200 kN·m
Material 45#steel
Application Widely used in metallurgy, mining, engineering and other fields.

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chain coupling

Chain couplings are utilized to transmit power between two shafts. Generally, chain couplings will be installed off the end of a motor or reducer (gearbox) and connected to a machine for efficient power transmission. A complete chain coupling consists of two hubs (or sprockets), one coupling chain, which appears similar to a strand of a double roller chain, and a cover. Not all applications will utilize a cover, however for both safety and coupling life they are recommended. Chain couplings are normally utilized in low-speed, high torque applications and allow for 2 degrees of misalignment between shafts. Chain couplings are considered an economical way to transmit power between shafts

Chain Couplings: features & benefits

High-quality chain couplings that absorb angular or radial misalignments
The compact and simple construction enables quick assembly
Requires little maintenance
Manufactured with a high degree of precision
Available from stock and at short notice
Standard versions as well as many special versions available
High-quality due to frequent inspections


Chain couplings are usually employed in low to moderate speed, high torque applications and are not often found in higher speed applications where grid, gear, and other more sophisticated couplings predominate. They are considered to be fairly rugged and easy to install. Typical applications include line-shaft couplings on live-roller conveyors. Here, the plastic chain provides a lubrication-free coupling solution that requires neither covers for lubricant retention nor coupling guards because the smooth outer surface of the chain presents no catch hazards.

For standard power transmission applications, chain couplings can be purchased in a range of shaft sizes and torque capacities, with typical bore diameters up to 4-1/2 in. and torque capacities up to 220,000 in.-lbs available. Allowable angular misalignment is usually a maximum of 1° and parallel misalignment is usually limited to 2% of the chain pitch. Sometimes these allowances are decreased for installations that operate at higher speeds.

Sprockets are sized in two-tooth intervals to correspond to the roller chain links, with pitches based on ANSI standards (i.e., #40, #60, #80). Ordinarily, the manufacturer will select the appropriate sprocket size and pitch for the given torque requirements, but knowing the pitch of the sprocket makes it possible to select an appropriate replacement chain.

Specifying a chain coupling requires knowing the required bore, calculating the transmitted torque, then applying a multiplier supplied by the manufacturer that rates the severity of the service, usually by machine type. Manufacturers often have online calculators to help specifiers in selecting couplings.