40BS21 5/8

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

Item #100807073

Without Hardened Teeth

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Product Details

Specifications

Single Strand Tooth Thickness	0.284 in
Chain Pitch	0.500 in
Sprocket Style	B
Material	Steel
Key Way Size	3/16 X 3/32 in
Width Across Teeth	0.284 in
Keyway Size	3/16 x 3/32 in
No. of Screws	2
Finished Bore	0.625 in - 5/8 in
Hardened Teeth	Without Hardened Teeth
Hub Length Thru	0.716 in
Set Screw Size	1/4-20 UNC
Chain Sprocket Number	40
Caliper Diameter	3.0334 in
Finished Bore Size	0.625 in
Pitch Dia.	3.355 in
Hub Projection	0.72 in
O.D.	3.617 in
Hub O.D.	2.75 in
No. of Teeth	21
Material Internal Use	Atomized Metals
Set Screw Location	(1) Over Keyway and (1) At 90°
Construction Internal	Solid
Hub Dia.	2 3/4 in
No. of Teeth Rows Strands	1
Keyway	w/Keyway & Set Screw
No. of Strands Across	1
Material External Use	Steel
Chain No.	40
Outside Dia.	3.6170 in
Inch/Metric	Inch
Bore Type	Finished Bore
Pitch Diameter	3.355 in
Pitch Diameter [Min]	3.355 in
Length Through Bore	1 in
Outside Dia. [Min]	3.6170 in
Chain Sprocket Pitch	0.5 in
Martin No.	40BS21
Weight	1.74 LB
EAN or UPC	697950148786