140SF12H

Single Strand Sprocket; 140 Chain Size; 12 Teeth; Requires SF QD Bushing

Item #100803863

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US Tsubaki Inc. H140SF12

Single Strand Sprocket; 140 Chain Size; 12 Teeth; Requires SF QD Bushing

Item #105102633

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Product Details

Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.

Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ QD bushings
Stocked Heat Treat

Specifications

Chain Sprocket Pitch	1.75 in
Chain Sprocket Number	140
Construction Internal	Solid
O.D.	7.581 in
Overall Length	1.25 in
Bore Type	Bushed
Hardened Teeth	With Hardened Teeth
Bushing Series	SF
Type	B
Caliper Diameter	5.7615 in
Martin No.	140SF12H
Material Internal Use	Carbon Steel
Chain Pitch	1.750 in
Screw Size	3/8-16 NC
Length Through Bore	1.25 in
Bushing Type	QD
Bushing Bore Size [Max]	2.938 in
Bushing Bore [Max]	2.9375 in
Chain No.	140
Outside Dia.	7.581 in
Hub O.D.	4.75 in
No. of Strands Across	1
Outside Dia. [Min]	7.581 in
Tooth Width	0.924 in
Pitch Diameter	6.7615 in
Inch/Metric	Inch
Bushing Bore [Min]	0.5 in
Sprocket Style	B
Bushing Bore Size [Min]	0.5 in
Hub Dia.	4 3/4 in
Pitch Dia.	6.762 in
No. of Teeth	12
Hub Projection	0.33 in
Overall Length Less Threads	N/A
Hub Length	0.33 in
Bore Size [Max]	2.938 in
Material External Use	Steel
No. of Teeth Rows Strands	1
Width Across Teeth	0.924 in
Single Strand Tooth Thickness	0.924 in
Material	Steel
Bore Size [Min]	0.5 in
Weight	7.04 LB
EAN or UPC	697950042664