LiftMaster 82-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway
LiftMaster 82-Tooth Sprocket for #50 Chain – 1-1/4" Bore, 1/4" Keyway
This LiftMaster 82-tooth sprocket is designed for compatible commercial door drive systems using #50 roller chain. Its 1-1/4" bore and 1/4" keyway provide the specified shaft interface for applications requiring this configuration.
Specifications:
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Tooth count: 82
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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
Select this component using the applicable LiftMaster MAXUM JDC or JHDC operator documentation and door specifications. The sprocket’s tooth count is part of the system’s required gearing and should not be changed without manufacturer approval.
Before ordering, confirm the shaft size, keyway, chain specification, required tooth count, and available clearance. During installation, inspect the drive chain and mating sprocket rather than replacing an isolated component without checking the rest of the drive.
Installation should be performed by a qualified commercial door technician with operator power disconnected and locked out.Purchase this 82-tooth sprocket for an approved installation requiring a 1-1/4" bore, 1/4" keyway, and #50 chain.
Details
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