40BS18 1 1/4

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

Item #100807007

Without Hardened Teeth

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US Tsubaki Inc. 40BS18 1 1/4

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

Item #101656183

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Product Details

Specifications

No. of Teeth	18
Hub Dia.	2 5/16 in
Hub O.D.	2.313 in
Finished Bore Size	1.25 in
Keyway	w/Keyway & Set Screw
Hub Projection	0.72 in
Outside Dia. [Min]	3.1360 in
Set Screw Size	5/16-18 UNC
Hub Length Thru	0.716 in
Width Across Teeth	0.284 in
Set Screw Location	(1) Over Keyway and (1) At 90°
Chain Pitch	0.500 in
Material	Steel
Keyway Size	1/4 x 1/8 in
No. of Strands Across	1
Single Strand Tooth Thickness	0.284 in
No. of Teeth Rows Strands	1
Material External Use	Steel
Bore Type	Finished Bore
Length Through Bore	1 in
Outside Dia.	3.1360 in
Chain No.	40
Finished Bore	1.250 in - 1 1/4 in
Chain Sprocket Pitch	0.5 in
Pitch Diameter [Min]	2.879 in
O.D.	3.136 in
Material Internal Use	Atomized Metals
Hardened Teeth	Without Hardened Teeth
Construction Internal	Solid
Inch/Metric	Inch
Pitch Dia.	2.879 in
Key Way Size	1/4 X 1/8 in
Caliper Diameter	2.5674 in
Chain Sprocket Number	40
No. of Screws	2
Sprocket Style	B
Pitch Diameter	2.879 in
Martin No.	40BS18
Weight	0.83 LB
EAN or UPC	697950004587