40BS21 7/8

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

Item #100807074

Without Hardened Teeth

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US Tsubaki Inc. 40BS21 7/8

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

Item #101623924

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Product Details

Specifications

Chain No.	40
Hub Projection	0.72 in
Chain Sprocket Pitch	0.5 in
Inch/Metric	Inch
Pitch Dia.	3.355 in
Key Way Size	3/16 X 3/32 in
Pitch Diameter	3.355 in
Sprocket Style	B
Outside Dia. [Min]	3.6170 in
Set Screw Size	1/4-20 UNC
Hardened Teeth	Without Hardened Teeth
Martin No.	40BS21
No. of Teeth Rows Strands	1
Finished Bore Size	0.875 in
O.D.	3.617 in
Caliper Diameter	3.0334 in
No. of Teeth	21
Hub O.D.	2.75 in
Hub Length Thru	0.716 in
Width Across Teeth	0.284 in
No. of Strands Across	1
Keyway Size	3/16 x 3/32 in
Finished Bore	0.875 in - 7/8 in
Chain Pitch	0.500 in
Set Screw Location	(1) Over Keyway and (1) At 90°
Material	Steel
Single Strand Tooth Thickness	0.284 in
Pitch Diameter [Min]	3.355 in
Keyway	w/Keyway & Set Screw
Length Through Bore	1 in
Outside Dia.	3.6170 in
Hub Dia.	2 3/4 in
Construction Internal	Solid
No. of Screws	2
Material External Use	Steel
Chain Sprocket Number	40
Bore Type	Finished Bore
Material Internal Use	Atomized Metals
Weight	1.66 LB
EAN or UPC	697950148793