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

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