GL type roller chain coupling
· The double-row roller chain adopts the chain specified in GB1243.1-83 “Short pitch precision roller chain for transmission”.
· The keyway form and size of the shaft hole meet the requirements of GB/T3582-1997， The structure and size of the cover are selected according to needs.
· The marking meets GB/T3852-1997.
· The structure is simple, easy to install and disassemble, and there is an empty stroke when reversing. It is not suitable for reverse transmission with large impact load.
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