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

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