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LiftMaster 71-1550B72LGH Sprocket Kit - 72 tooth, 1" bore, 1/4" keyway (rolling, insulated & uninsulated)

LiftMaster 71-1550B72LGH Sprocket Kit - 72 tooth, 1" bore, 1/4" keyway (rolling, insulated & uninsulated)
 
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Product Code: 71-1550B72LGH
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Description Technical Specs.
 
Sprocket Kit for MAXUM JDC and JHDC operators.
A sprocket is required for installation of each JDC and JHDC operator. See sprocket table in the Technical Specs tab for suggested sprocket selection to safely achieve recommended door speed.