D40B42

Double Strand Sprocket

Item #100810194

0.9375 in Minimum Bore

2.5 in Maximum Bore

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each One-time purchase

Alternate Products

US Tsubaki Inc. D40B42

B Style Sprocket

Item #105105534

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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

Hub Length Thru	1.475 in
Martin No.	40B42
Material External Use	Steel
Bore Type	Finished Bore
Bushing Bore Size [Max]	2.5 in
Inch/Metric	Inch
Single Strand Tooth Thickness	0.275 in
No. of Teeth	42
Outside Dia. [Min]	6.972 in
Hardened Teeth	Without Hardened Teeth
Bore Style	Minimum Bore
Hub Projection	0.913 in
Pitch Dia.	6.691 in
Hub O.D.	3.75 in
Chain Pitch	0.500 in
Chain Sprocket Pitch	0.5 in
Series	B
Width Across Teeth	0.837 in
No. of Strands Across	2
Caliper Diameter	6.379 in
Material Internal Use	Carbon Steel
O.D.	6.972 in
Stock Bore Size	0.938 in
Material	Steel
No. of Teeth Rows Strands	2
Finished Bore Size	0.938 in
Chain No.	40
Bore Range [Min]	0.9375 in
Bore Size [Max]	2.5 in
Bushing Bore [Min]	0.938 in
Hub Dia.	3 3/4 in
Construction Internal	Solid
Pitch Diameter	6.69 in
Bore Size [Min]	0.938 in
Bushing Bore Size [Min]	0.938 in
Sprocket Style	B
Outside Dia.	6.972 in
Length Through Bore	1.75 in
Bore Range [Max]	2.5 in
Keyway	No Keyway or Setscrew
Chain Sprocket Number	40
Pitch Diameter [Min]	6.69 in
Weight	10.2 LB
EAN or UPC	697950007311