40BTB17H

Taper Bushed Sprocket

Item #100804038

2.975 in Outside Diameter

1210 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.

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

Single Strand Tooth Thickness	0.284 in
Bore Type	Bushed
Hub Length	0.72 in
Pitch Diameter	2.7211 in
No. of Teeth	17
Hub Projection	0.72 in
Hub Recess Width	0.19 in
Bushing Bore [Max]	1.25 in
Outside Dia. [Min]	2.975 in
Tooth Width	0.284 in
Chain Pitch	0.5 in
Martin No.	40BTB17H
Hub OD @ Recess	2.2 in
Hub Recess Depth	0.09 in
Bushing Series	1210
No. of Strands Across	1
Hub Dia.	2 3/8 in
Type	B
Overall Length Less Threads	N/A
Overall Length	1 in
Sprocket Style	B
Length Through Bore	1 in
Bushing Bore [Min]	0.5 in
Hardened Teeth	With Hardened Teeth
Material	Steel
Width Across Teeth	1 in
Chain No.	40
Outside Dia.	2.975 in
Caliper Diameter	2.3975 in
Inch/Metric	Inch
Bushing Type	Taperlock
Weight	0.54 LB
EAN or UPC	697950043029