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

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