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Sprockets > #40, #41, and #420 Sprockets > Jackshaft Kits

Jackshaft Kits for #40, #41, and #420 Chain

Jackshaft Kits and Parts for #40, #41, and #420 Chain

Assembled jackshaft kit with 4-1/2" jackshaft shown above.

 

Jackshaft Kits and Parts

Jackshaft Kits

Jackshaft Parts

Jackshaft Kits


Jackshaft Kit with 8 Tooth and 17 Tooth Sprockets for #40, #41, and #420 Chain
Weld-on jackshaft kit with 8 tooth and 17 tooth sprockets for a 53% increase or decrease in gear ratio. 10" long 5/8" OD jackshaft with keyway. 8 tooth and 17 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft.
Item # JST-581420817
With 10" Jackshaft

$74.95





Jackshaft Kit with 10 Tooth and 15 Tooth Sprockets for #40, #41, and #420 Chain
Weld-on jackshaft kit with 10 tooth and 15 tooth sprockets for a 50% increase or decrease in gear ratio. 4-1/2" long or 10" long x 5/8" OD jackshaft with keyway, 10 tooth and 15 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on steel bearing hangers, and two jackshaft collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft.
Item # JST-420101504 (4-1/2" Jackshaft)

Item # JST-420101510 (10" Jackshaft)

With 4-1/2" Jackshaft

$64.95


With 10" Jackshaft

$69.95





Jackshaft Kit with 10 Tooth and 20 Tooth Sprockets for #40, #41, and #420 Chain
Weld-on jackshaft kit with 10 tooth and 20 tooth sprockets for a 100% increase or decrease in gear ratio. 4-1/2" long or 10" long x 5/8" OD jackshaft with keyway, 10 tooth and 20 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on steel bearing hangers, and two jackshaft  collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft.

Item # JST-420102004 (4-1/2" Jackshaft)

Item # JST-420102010 (10" Jackshaft)

With 4-1/2" Jackshaft

$69.95


With 10" Jackshaft

$74.95




Jackshaft Kit with 8 Tooth and 20 Tooth Sprockets for #40, #41, and #420 Chain
Weld-on jackshaft kit with 8 tooth and 17 tooth sprockets for a 150% increase or decrease in gear ratio. 10" long 5/8" OD jackshaft with keyway which can be cut shorter if required. 8 tooth and 17 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft.

Item # JST-42082004 (4-1/2" Jackshaft)

Item # JST-42082010 (10" Jackshaft)

With 4-1/2" Jackshaft

$74.95


With 10" Jackshaft

$79.95




Jackshaft Kit with 8 Tooth and 24 Tooth Sprockets for #40, #41, and #420 Chain

Weld-on jackshaft kit with 8 tooth and 24 tooth sprockets for a 200% increase or decrease in gear ratio. 4-1/2" long or 10" long x 5/8" OD jackshaft with keyway, 10 tooth and 24 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on steel bearing hangers, and two jackshaft  collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft.

Item # JST-42082404 (4-1/2" Jackshaft)

Item # JST-42082410 (10" Jackshaft)

With 4-1/2" Jackshaft

$79.95


With 10" Jackshaft

$84.95

Jackshafts Parts
All of the jackshaft parts sold below are 100% compatible and interchangeable with each other and are the same parts used to make the jackshaft kits sold above.

Jackshaft Sprockets


8 Tooth 5/8" Bore Sprocket for #40, #41, and #420 Chain
1.51" OD, 5/8" ID. Integrated 3/16" key. Two set screws. One set screw 135 degrees from keyway and the other 225 degrees from keyway. Made from high-carbon steel with hardened teeth and a black oxide finish.
Item # SPR-4208J
$14.95


10 Tooth 5/8" Bore Sprocket for #40, #41, and #420 Chain
1.84" OD, 5/8" ID. Keyway for 3/16" x 3/16" key. Two set screws. One set screw on keyway and the other 90 degrees from keyway. Made from high-carbon steel with hardened teeth and a black oxide finish.
Item # SPR-42010J
$9.95


15 Tooth 5/8" Bore Sprocket for #40, #41, and #420 Chain
2.65" OD, 5/8" ID. Keyway for 3/16" x 3/16" key. Two set screws. One set screw on keyway and the other 90 degrees from keyway. Made from high-carbon steel with hardened teeth and a black oxide finish.
Item # SPR-42015J
$14.95


20 Tooth 5/8" Bore Sprocket for #40, #41, and #420 Chain
3.46" OD, 5/8" ID. Keyway for 3/16" x 3/16" key. Two set screws. One set screw on keyway and the other 90 degrees from keyway. Made from high-carbon steel with hardened teeth and a black oxide finish.
Item # SPR-42020J
$19.95


24 Tooth 5/8" Bore Sprocket for #40, #41, and #420 Chain
4.10" OD, 5/8" ID. Keyway for 3/16" x 3/16" key. Two set screws. One set screw on keyway and the other 90 degrees from keyway. Made from high-carbon steel with hardened teeth and a black oxide finish.
Item # SPR-42024J
$24.95

Jackshafts


5/8" OD x 4-1/2" Long Jackshaft
5/8" OD x 4-1/2" long steel jackshaft with keyway for 3/16" x 3/16" key. Made from high-carbon steel with a black oxide finish.
Item # JST-5804

$14.95


5/8" OD x 10" Long Jackshaft
5/8" OD x 10" long steel jackshaft with keyway for 3/16" x 3/16" key. Made from high-carbon steel with a black oxide finish.
Item # JST-5810

$19.95

Jackshaft Keys


3/16" x 3/16" x 1/2" Jackshaft Key
3/16" x 3/16" x 1/2" zinc plated steel jackshaft key. This part goes between the sprocket and jackshaft to secure them from rotating against each other.
Item # KEY-316X05

$0.95

Jackshaft Bearings


Sealed Bearing for Jackshafts with 5/8" Axle
1-3/8" OD x 5/8" ID x 7/16" thick. Includes snap ring. Pre-lubricated with bearing grease. Two rubber seals keep out dust, dirt, moisture, and water. Precision ground and hardened bearing components for extended service life under demanding conditions.
Item # JST-B58138
$4.95

Jackshaft Bearing Hangers


1-3/8" ID Jackshaft Bearing Hanger
1-3/8" ID x 3" OD x 1/4" thick jackshaft bearing hanger with 2" flat mounting edge. For weld-on applications. Made from high-strength steel with no surface finish so it is ready to weld.
Item # JST-H138

$7.95

Jackshaft Collars


5/8" ID Jackshaft Collar
5/8" ID x 1-1/8" OD x 1/2" wide zinc plated steel jackshaft collar with set screw.
Item # JST-C5805

$1.95

 

Related Items: Online Gear Ratio Calculator for Jackshafts

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