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

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