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

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