40BS25 1

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

Item #100807145

Without Hardened Teeth

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US Tsubaki Inc. 40BS25 1

No. 40 - 1/2" Pitch - Finished Bore Sprockets

Item #101626591

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Product Details

Specifications

Construction Internal	Solid
Sprocket Style	B
Set Screw Size	5/16-18 UNC
No. of Screws	2
No. of Teeth	25
Bore Type	Finished Bore
Pitch Dia.	3.989 in
Keyway	w/Keyway & Set Screw
Pitch Diameter [Min]	3.989 in
Material Internal Use	Atomized Metals
Hub Dia.	3 1/4 in
Key Way Size	1/4 X 1/8 in
Hub Projection	0.72 in
No. of Teeth Rows Strands	1
Finished Bore Size	1 in
Outside Dia.	4.2580 in
Length Through Bore	1 in
Keyway Size	1/4 x 1/8 in
Material External Use	Steel
O.D.	4.258 in
Inch/Metric	Inch
Outside Dia. [Min]	4.2580 in
Caliper Diameter	3.6695 in
Hub O.D.	3.25 in
Width Across Teeth	0.284 in
Chain Sprocket Number	40
Single Strand Tooth Thickness	0.284 in
Hardened Teeth	Without Hardened Teeth
Chain Pitch	0.500 in
Martin No.	40BS25
Chain Sprocket Pitch	0.5 in
Hub Length Thru	0.716 in
Finished Bore	1.000 in - 1 in
Pitch Diameter	3.989 in
Material	Steel
Chain No.	40
Set Screw Location	(1) Over Keyway and (1) At 90°
No. of Strands Across	1
Weight	2.4 LB
EAN or UPC	697950005768