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

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