D40B40

No. 40 - 1/2" Pitch - Double - Plain Stock Bore Sprocket

Item #100810193

0.9375 in Minimum Bore

2.5 in Maximum Bore

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Alternate Products

US Tsubaki Inc. D40B40

No. 40 - 1/2" Pitch - Multiple Strand Sprockets

Item #105089831

each

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Product Details

Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ split-taper bushings

Specifications

Bore Size [Max]	2.5 in
Bore Size [Min]	0.938 in
Hub Projection	0.913 in
Bushing Bore Size [Min]	0.938 in
Bore Range [Max]	2 1/2 in
Chain No.	40
Length Through Bore	1.75 in
Material Internal Use	Carbon Steel
No. of Strands Across	2
Keyway	No Keyway or Setscrew
Martin No.	40B40
No. of Teeth Rows Strands	2
Chain Sprocket Number	40
Pitch Diameter [Min]	6.370 in
Material	Steel
Pitch Dia.	6.373 in
Pitch Diameter	6.370 in
O.D.	6.653 in
Hub Length Thru	1.475 in
Stock Bore Size	15/16 in
Bore Style	Minimum Bore
Hub O.D.	3.75 in
Finished Bore Size	0.938 in
Single Strand Tooth Thickness	0.275 in
Chain Sprocket Pitch	0.5 in
Outside Dia. [Min]	6.6530 in
Series	B
Sprocket Style	B
Bore Range [Min]	15/16 in
Width Across Teeth	0.837 in
Bushing Bore [Min]	0.938 in
Chain Pitch	0.500 in
Bore Type	Finished Bore
Hub Dia.	3 3/4 in
Hardened Teeth	Without Hardened Teeth
No. of Teeth	40
Outside Dia.	6.6530 in
Material External Use	Steel
Bushing Bore Size [Max]	2.5 in
Inch/Metric	Inch
Caliper Diameter	6.061 in
Construction Internal	Solid
Weight	9.4 LB
EAN or UPC	697950007298