40BTB21

No. 40 - 1/2" Pitch - Single - Taperbushed Sprocket

Item #100804045

3.617 in Outside Diameter

1610 Bushing Series

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Product Details

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

Specifications

Material	Steel
Hub Dia.	2.7813 in
Caliper Diameter	3.03 in
No. of Strands Across	1
Pitch Diameter	3.350 in
Overall Length	1 in
Length Through Bore	1 in
Bushing Series	1610
Hub Length	0.72 in
Hub Projection	0.72 in
Bore Type	Bushed
Chain Pitch	1/2 in
Tooth Width	0.284 in
Type	B
Overall Length Less Threads	N/A
Bushing Bore [Min]	1/2 in
Inch/Metric	Inch
Outside Dia. [Min]	3.6170 in
Width Across Teeth	0.284 in
Single Strand Tooth Thickness	0.284 in
Sprocket Style	B
No. of Teeth	21
Outside Dia.	3.6170 in
Bushing Type	Taperlock
Hardened Teeth	Without Hardened Teeth
Bushing Bore [Max]	1 5/8 in
Chain No.	40
Martin No.	40BTB21
Weight	0.8 LB
EAN or UPC	697950030661