40BS21 1 7/16

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

Item #100807071

Without Hardened Teeth

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US Tsubaki Inc. 40BS21 1 7/16

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

Item #101623666

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Product Details

Specifications

Material Internal Use	Atomized Metals
Outside Dia.	3.6170 in
Set Screw Size	3/8-16 UNC
O.D.	3.617 in
Bore Type	Finished Bore
Hub Projection	0.72 in
Set Screw Location	(1) Over Keyway and (1) At 90°
Chain Pitch	0.500 in
Pitch Diameter [Min]	3.355 in
No. of Teeth	21
Single Strand Tooth Thickness	0.284 in
Construction Internal	Solid
Pitch Diameter	3.355 in
Chain Sprocket Pitch	0.5 in
Hardened Teeth	Without Hardened Teeth
Finished Bore Size	1.438 in
Keyway Size	3/8 x 3/16 in
Material External Use	Steel
Key Way Size	3/8 X 3/16 in
Hub Dia.	2 3/4 in
Finished Bore	1.4375 in - 1 7/16 in
Caliper Diameter	3.0334 in
Width Across Teeth	0.284 in
Hub O.D.	2.75 in
No. of Strands Across	1
Chain Sprocket Number	40
No. of Screws	2
Pitch Dia.	3.355 in
Martin No.	40BS21
Hub Length Thru	0.716 in
Length Through Bore	1 in
Chain No.	40
Sprocket Style	B
No. of Teeth Rows Strands	1
Keyway	w/Keyway & Set Screw
Inch/Metric	Inch
Outside Dia. [Min]	3.6170 in
Material	Steel
Weight	1.36 LB
EAN or UPC	697950005201