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ANSI Pitch
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ANSI Pitch is the number designations for roller chain pitch that are governed by the American National Standards Institute (ANSI). English roller chain and sprockets are categorized according to ANSI B 29.1M. The number can be used to identify pitch in the following way: the first digits identify the pitch in 1/8" increments, and the last digit is 0 for standard proportions, 1 for lightweight chain, and 5 for rollerless bushed chain. A #41 sprocket is therefore for 1/2"-pitch lightweight chain, a #120 sprocket is for 1-1/2" pitch chain, etc. Products & Services
Roller chains are used in many power transmission designs. They are characterized by ANSI and BS/DIN standard sizes.
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Learn more about Roller Chain
English roller chain sprockets engage chains in many different power transmission and conveyor systems. Sprockets and chains are often an economic, reliable drive system for long running, continuous drive applications with limited shock and torque loads. English sprockets are classified according to ANSI number designations.
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Learn more about ANSI Roller Chain Sprockets
Metric roller chain sprockets engage chains in many different power transmission and conveyor systems. Sprockets and chains are often an economic, reliable drive system for long running, continuous drive applications with limited shock and torque loads. Metric sprockets are classified according to ISO number designations.
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Learn more about ISO Roller Chain Sprockets
Leaf chains are a rollerless chain commonly used on fork lift trucks and other material handling applications.
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Learn more about Leaf Chain
Conveyor sprockets (mill sprockets, engineering class sprockets, engineered sprockets) are used in conjunction with conveyor chains or conveyor belts.
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Learn more about Conveyor Sprockets
Product Announcements
Topics of Interest
Ramsey provides chains and sprockets that will replace or interchange with products from most manufacturers. The key to a successful interchange is correctly identifying the manufacturer and the size...
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Roller chain and most other chains with straight sidelinks do not elongate uniformly. The pitch of links containing rollers stays essentially constant, while wear of bushings and pins causes every...
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The American National Standards Institute (ANSI) assigns "schedule numbers" to classify wall thicknesses for different pressure uses. ANSI schedule numbers cover all pipe sizes from NPS 1/8 through...
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The importance of good alignment can't be overstated - misalignment increases the likelihood of excessive lateral guide wear, chain wear, increased maintenance, and shortened chain life. To align and...
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There are a number of industrial silent chain manufacturers in the United States and each produces different types of silent chain. Chains from different manufacturers differ in design and therefore...
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