40BS21 1 1/4

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

Item #100807067

Without Hardened Teeth

+ Show More

Auto Replenish

each One-time purchase

Alternate Products

US Tsubaki Inc. 40BS21 1 1/4

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

Item #101621614

each

Compare

Product Details

Specifications

Keyway Size	1/4 x 1/8 in
Material Internal Use	Atomized Metals
Length Through Bore	1 in
No. of Teeth	21
Caliper Diameter	3.0334 in
No. of Teeth Rows Strands	1
Construction Internal	Solid
Inch/Metric	Inch
Single Strand Tooth Thickness	0.284 in
Pitch Dia.	3.355 in
Chain Sprocket Pitch	0.5 in
No. of Strands Across	1
Material	Steel
Pitch Diameter [Min]	3.355 in
Key Way Size	1/4 X 1/8 in
Chain Sprocket Number	40
Keyway	w/Keyway & Set Screw
Outside Dia.	3.6170 in
Sprocket Style	B
Set Screw Location	(1) Over Keyway and (1) At 90°
Chain Pitch	0.500 in
Hub Dia.	2 3/4 in
Bore Type	Finished Bore
Outside Dia. [Min]	3.6170 in
Hub O.D.	2.75 in
Finished Bore	1.250 in - 1 1/4 in
Chain No.	40
Hardened Teeth	Without Hardened Teeth
Finished Bore Size	1.25 in
Width Across Teeth	0.284 in
O.D.	3.617 in
Hub Length Thru	0.716 in
Set Screw Size	5/16-18 UNC
No. of Screws	2
Hub Projection	0.72 in
Material External Use	Steel
Pitch Diameter	3.355 in
Martin No.	40BS21
Weight	1.47 LB
EAN or UPC	697950148731