80BTB12H

No. 80 - 1" Pitch - Single - Taperbushed Sprocket

Item #100804376

4.332 in Outside Diameter

1615 Bushing Series

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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.

Hardened teeth sprockets afford longer chain and sprocket life
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’ Taper bushings
Stocked Heat Treat

Specifications

Hub Dia.	3 in
Chain No.	80
Material	Steel
No. of Teeth	12
Martin No.	80BTB12H
Width Across Teeth	1.5 in
Inch/Metric	Inch
Caliper Diameter	3.2387 in
Hub Recess Depth	0.15 in
Overall Length	1 1/2 in
Bushing Bore [Max]	1 5/8 in
Overall Length Less Threads	N/A
No. of Strands Across	1
Bushing Type	Taperlock
Bushing Bore [Min]	1/2 in
Tooth Width	0.575 in
Chain Pitch	1 in
Outside Dia. [Min]	4.3320 in
Sprocket Style	B
Pitch Diameter	3.864 in
Hub Projection	0.93 in
Outside Dia.	4.3320 in
Hub Recess Width	0.28 in
Hub Length	0.93 in
Single Strand Tooth Thickness	0.575 in
Type	B
Bore Type	Bushed
Hub OD @ Recess	2.7 in
Hardened Teeth	With Hardened Teeth
Bushing Series	1615
Length Through Bore	1 1/2 in
Weight	1.88 LB
EAN or UPC	697950043517