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

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