40BS21 1

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

Item #100807065

Without Hardened Teeth

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Product Details

Specifications

Material External Use	Steel
Finished Bore	1.000 in - 1 in
Chain Pitch	0.500 in
Outside Dia.	3.6170 in
Material	Steel
Hub Length Thru	0.716 in
No. of Strands Across	1
Keyway Size	1/4 x 1/8 in
Chain No.	40
Material Internal Use	Atomized Metals
Caliper Diameter	3.0334 in
Pitch Dia.	3.355 in
Outside Dia. [Min]	3.6170 in
Single Strand Tooth Thickness	0.284 in
Pitch Diameter [Min]	3.355 in
Construction Internal	Solid
Finished Bore Size	1 in
No. of Screws	2
No. of Teeth Rows Strands	1
Set Screw Size	5/16-18 UNC
Set Screw Location	(1) Over Keyway and (1) At 90°
No. of Teeth	21
O.D.	3.617 in
Inch/Metric	Inch
Hub O.D.	2.75 in
Hub Dia.	2 3/4 in
Key Way Size	1/4 X 1/8 in
Width Across Teeth	0.284 in
Hub Projection	0.72 in
Bore Type	Finished Bore
Martin No.	40BS21
Hardened Teeth	Without Hardened Teeth
Sprocket Style	B
Pitch Diameter	3.355 in
Length Through Bore	1 in
Chain Sprocket Number	40
Chain Sprocket Pitch	0.5 in
Keyway	w/Keyway & Set Screw
Weight	1.59 LB
EAN or UPC	697950148724