40BS18 3/4

No. 40 - 1/2" Pitch - Single - Bored to Size Sprocket

Item #100807012

Without Hardened Teeth

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each One-time purchase

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Boston Gear 40B18-3/4

Finished Bore Sprocket

Item #101834723

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US Tsubaki Inc. 40BS18 3/4

No. 40 - 1/2" Pitch - Finished Bore Sprockets

Item #101621100

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Product Details

Specifications

Keyway	w/Keyway & Set Screw
Hub Length Thru	0.716 in
Caliper Diameter	2.5674 in
No. of Screws	2
Set Screw Location	(1) Over Keyway and (1) At 90°
No. of Strands Across	1
Hub O.D.	2.313 in
Chain Sprocket Number	40
No. of Teeth	18
Length Through Bore	1 in
O.D.	3.136 in
Material	Steel
Bore Type	Finished Bore
Key Way Size	3/16 X 3/32 in
Set Screw Size	1/4-20 UNC
Pitch Diameter	2.879 in
Sprocket Style	B
Martin No.	40BS18
Material External Use	Steel
Outside Dia. [Min]	3.1360 in
Hardened Teeth	Without Hardened Teeth
Construction Internal	Solid
Outside Dia.	3.1360 in
Material Internal Use	Atomized Metals
Width Across Teeth	0.284 in
Pitch Diameter [Min]	2.879 in
Finished Bore	0.750 in - 3/4 in
Inch/Metric	Inch
Chain No.	40
Pitch Dia.	2.879 in
Single Strand Tooth Thickness	0.284 in
No. of Teeth Rows Strands	1
Hub Projection	0.72 in
Keyway Size	3/16 x 3/32 in
Finished Bore Size	0.75 in
Chain Sprocket Pitch	0.5 in
Hub Dia.	2 5/16 in
Chain Pitch	0.500 in
Weight	1.02 LB
EAN or UPC	697950004488