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

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