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Garage door jackshaft sprocket.
Can be used on tube shafts.
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Drill through the sprocket and shaft and install a bolt hardened bolt if needed through the shaft.
This sprocket is typically used on a soled keyed garage door shaft.
The model 41a7280 liftmaster sprocket kit is designed only for use with the liftmaster 3950 jackshaft rolling door operator for light duty commercial operations for doors without live shafts.
Buy garage door 36 tooth jack shaft sprocket 41 chain 41b36 1 inch bore online at wholesale prices.
Continuous duty jackshaft operator j501l5 by liftmaster.
When used on tube shafts it is advisable to fill the tube shaft with a steel or wood dowel in the area of the sprocket and through bolt the sprocket.
The drive sprocket mounts to the 3950 door operator.
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Other garage door parts the sprockets listed below are for use with commercial operators.
Jackshaft style commercial door operators are perfect for industrial applications.
Amarr offers 300 styles of garage doors.
They are typically used with jackshaft operators to adjust the gear ratio between the operator and the shaft.