40BS12 1

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

Item #100806929

Without Hardened Teeth

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Boston Gear 40B12-1

Finished Bore Sprocket

Item #101852453

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Product Details

Specifications

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