40BS21 1

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

Item #100807065

Without Hardened Teeth

+ Show More

Auto Replenish

each One-time purchase

Product Details

Specifications

Martin No.	40BS21
Hub O.D.	2.75 in
Key Way Size	1/4 X 1/8 in
Keyway Size	1/4 x 1/8 in
Length Through Bore	1 in
Material	Steel
Chain Sprocket Pitch	0.5 in
Material External Use	Steel
Outside Dia. [Min]	3.6170 in
Hub Projection	0.72 in
Inch/Metric	Inch
Width Across Teeth	0.284 in
Bore Type	Finished Bore
Hardened Teeth	Without Hardened Teeth
Set Screw Size	5/16-18 UNC
Single Strand Tooth Thickness	0.284 in
Pitch Dia.	3.355 in
Finished Bore Size	1 in
Hub Length Thru	0.716 in
Set Screw Location	(1) Over Keyway and (1) At 90°
Chain Sprocket Number	40
Construction Internal	Solid
O.D.	3.617 in
Sprocket Style	B
No. of Screws	2
Hub Dia.	2 3/4 in
No. of Teeth Rows Strands	1
Chain Pitch	0.500 in
No. of Strands Across	1
Pitch Diameter [Min]	3.355 in
Pitch Diameter	3.355 in
No. of Teeth	21
Finished Bore	1.000 in - 1 in
Keyway	w/Keyway & Set Screw
Outside Dia.	3.6170 in
Caliper Diameter	3.0334 in
Material Internal Use	Atomized Metals
Chain No.	40
Weight	1.59 LB
EAN or UPC	697950148724