LIFTMASTER 50 CHAIN 72 TOOTH SPROCKET 1-1/4" BORE, 1/4" KEYWAYLiftMaster 72-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway
LIFTMASTER 50 CHAIN 72 TOOTH SPROCKET 1-1/4" BORE, 1/4" KEYWAYLiftMaster 72-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway
Maintain the specified drive configuration on a compatible commercial door system with this LiftMaster 72-tooth sprocket. It accepts #50 roller chain and fits a 1-1/4" shaft with a 1/4" keyway.
Specifications:
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Tooth count: 72
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Chain size: #50
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Shaft bore: 1-1/4"
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Keyway: 1/4"
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Brand: LiftMaster
Listed among LiftMaster MAXUM JDC and JHDC installation components, this sprocket must be selected according to the manufacturer’s requirements for the operator and door. Confirm the original part specification or approved selection table before purchasing.
Tooth count affects the drive ratio, so a different-size sprocket should not be substituted simply because its bore fits the shaft. A qualified technician should also check chain condition, sprocket alignment, shaft condition, and mounting clearance during service.
Disconnect and lock out power before installation. Complete the manufacturer’s required operational and safety checks before returning the door to service.
Choose this 72-tooth sprocket for installations specifying this exact chain, bore, and keyway combination.
Details
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