40BS21 1 1/8

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

Item #100807068

Without Hardened Teeth

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US Tsubaki Inc. 40BS21 1 1/8

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

Item #101621260

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Product Details

Specifications

No. of Teeth Rows Strands	1
Material External Use	Steel
Length Through Bore	1 in
Keyway	w/Keyway & Set Screw
Finished Bore Size	1.125 in
Hub Projection	0.72 in
Outside Dia. [Min]	3.6170 in
Hub Length Thru	0.716 in
Sprocket Style	B
Chain Sprocket Pitch	0.5 in
Hub O.D.	2.75 in
Chain Sprocket Number	40
Bore Type	Finished Bore
Martin No.	40BS21
Set Screw Location	(1) Over Keyway and (1) At 90°
Construction Internal	Solid
Pitch Dia.	3.355 in
Keyway Size	1/4 x 1/8 in
Outside Dia.	3.6170 in
Width Across Teeth	0.284 in
Chain No.	40
Inch/Metric	Inch
Single Strand Tooth Thickness	0.284 in
Hub Dia.	2 3/4 in
Caliper Diameter	3.0334 in
No. of Strands Across	1
Finished Bore	1.125 in - 1 1/8 in
No. of Screws	2
Key Way Size	1/4 X 1/8 in
O.D.	3.617 in
Hardened Teeth	Without Hardened Teeth
Material Internal Use	Atomized Metals
Chain Pitch	0.500 in
No. of Teeth	21
Pitch Diameter	3.355 in
Material	Steel
Set Screw Size	5/16-18 UNC
Pitch Diameter [Min]	3.355 in
Weight	1.55 LB
EAN or UPC	697950005164