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40JA18H PITCH: #40 TEETH: 18 HardENED FOR Bushing: JA

BRAND: Martin Sprocket | MODEL: 40JA18H | CONDITION: NEW | SKU: 262060
40JA18H PITCH: #40 TEETH: 18 HardENED FOR Bushing: JA

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Actual product may vary
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Returnable: see conditions
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Weight: 0.52 lbs UOM: EA

Additional Description

Technical Specifications

Number Of Teeth 18
Outside Dia 3.136"
Material Steel
Pitch 0.500 in.


Martin saber tooth sprockets have hardened teeth, which provide longer chain and sprocket life. The hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 RPM.
Material Steel Hub Configuration B
Chain Number 40 Hub Outside Diameter 2.063 in.
Chain Pitch 0.500 in. Hub Recessed For Chain Clearance No
Number of Chain Rows 1 Construction Detail Solid
Number of Teeth 18 Bore Type Bushed QD
Outside Diameter 3.136 in. Bushing Part Number JA
Pitch Diameter 2.879 in. Bushing Min Bore Size 0.375 in.
Single Strand Tooth Thickness 0.284 in. Bushing Max Bore Size 1.250 in.
Hardened Teeth Yes
Storage Dimension Length 3.136 in. Weight 0.52 lbs.
Storage Dimension Width 3.136 in. Individually Packaged No
Storage Dimension Height 0.630 in.