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