40BS21 1 3/16

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

Item #100807069

Without Hardened Teeth

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US Tsubaki Inc. 40BS21 1 3/16

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

Item #101625277

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Product Details

Specifications

Chain Pitch	0.500 in
Finished Bore	1.1875 in - 1 3/16 in
Finished Bore Size	1.188 in
Pitch Diameter [Min]	3.355 in
Material External Use	Steel
No. of Teeth Rows Strands	1
Sprocket Style	B
Construction Internal	Solid
Bore Type	Finished Bore
Keyway	w/Keyway & Set Screw
Martin No.	40BS21
Outside Dia. [Min]	3.6170 in
Outside Dia.	3.6170 in
Length Through Bore	1 in
O.D.	3.617 in
No. of Teeth	21
No. of Screws	2
Set Screw Location	(1) Over Keyway and (1) At 90°
No. of Strands Across	1
Hardened Teeth	Without Hardened Teeth
Key Way Size	1/4 X 1/8 in
Inch/Metric	Inch
Hub Projection	0.72 in
Hub Dia.	2 3/4 in
Pitch Diameter	3.355 in
Width Across Teeth	0.284 in
Material Internal Use	Atomized Metals
Caliper Diameter	3.0334 in
Chain Sprocket Pitch	0.5 in
Chain No.	40
Material	Steel
Hub O.D.	2.75 in
Keyway Size	1/4 x 1/8 in
Chain Sprocket Number	40
Pitch Dia.	3.355 in
Set Screw Size	5/16-18 UNC
Single Strand Tooth Thickness	0.284 in
Hub Length Thru	0.716 in
Weight	1.53 LB
EAN or UPC	697950005171