40BS28 1 1/4

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

Item #100807190

Without Hardened Teeth

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US Tsubaki Inc. 40BS28 1 1/4

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

Item #101625052

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Product Details

Specifications

Set Screw Location	(1) Over Keyway and (1) At 90°
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	4.1537 in
No. of Strands Across	1
Martin No.	40BS28
O.D.	4.738 in
No. of Teeth	28
Sprocket Style	B
Chain Sprocket Number	40
Pitch Diameter	4.466 in
Width Across Teeth	0.284 in
Construction Internal	Solid
Keyway	w/Keyway & Set Screw
No. of Screws	2
Finished Bore	1.250 in - 1 1/4 in
Material Internal Use	Atomized Metals
Chain Pitch	0.500 in
Hub Projection	0.72 in
No. of Teeth Rows Strands	1
Bore Type	Finished Bore
Outside Dia.	4.7380 in
Length Through Bore	1 in
Single Strand Tooth Thickness	0.284 in
Hub O.D.	3.25 in
Key Way Size	1/4 X 1/8 in
Finished Bore Size	1.25 in
Hub Dia.	3 1/4 in
Pitch Diameter [Min]	4.466 in
Pitch Dia.	4.466 in
Material External Use	Steel
Outside Dia. [Min]	4.7380 in
Chain Sprocket Pitch	0.5 in
Set Screw Size	5/16-18 UNC
Keyway Size	1/4 x 1/8 in
Hub Length Thru	0.716 in
Chain No.	40
Material	Steel
Inch/Metric	Inch
Weight	2.5 LB
EAN or UPC	697950006048