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

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