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

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