40BS12 1

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

Item #100806929

Without Hardened Teeth

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each One-time purchase

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Boston Gear 40B12-1

Finished Bore Sprocket

Item #101852453

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Product Details

Specifications

Hub Recess Width	0.19 in
Caliper Diameter	1.6199 in
Hub Length Thru	0.591 in
Pitch Dia.	1.932 in
Hub O.D.	1.563 in
Chain Sprocket Pitch	0.5 in
Hub OD @ Recess	1.44 in
Material	Steel
Set Screw Location	(1) Over Keyway and (1) At 90°
Key Way Size	1/4 X 1/8 in
Length Through Bore	0.875 in
No. of Strands Across	1
Outside Dia. [Min]	2.1660 in
Width Across Teeth	0.284 in
Single Strand Tooth Thickness	0.284 in
Pitch Diameter	1.932 in
Inch/Metric	Inch
No. of Teeth	12
Finished Bore	1.000 in - 1 in
Material Internal Use	Atomized Metals
Bore Type	Finished Bore
O.D.	2.166 in
Chain Sprocket Number	40
Hardened Teeth	Without Hardened Teeth
Construction Internal	Solid With Recess
Keyway Size	1/4 x 1/8 in
Keyway	w/Keyway & Set Screw
No. of Teeth Rows Strands	1
Material External Use	Steel
Hub Recessed	1
Pitch Diameter [Min]	1.932 in
Outside Dia.	2.1660 in
Hub Projection	0.59 in
Hub Dia.	1.593 in
Martin No.	40BS12
No. of Screws	2
Sprocket Style	B
Finished Bore Size	1 in
Set Screw Size	5/16-18 UNC
Chain Pitch	0.500 in
Hub Recess Depth	0.08 in
Chain No.	40
Weight	0.31 LB
EAN or UPC	697950003740