28A26

Metric Roller Chain Sprocket

Item #100967159

40.03 mm Minimum Bore

326.76 mm Maximum Bore

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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.

Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Bores are concentric to pitch line, minimizing run out
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain

Specifications

Pin Diameter	27.94 mm
Sprocket Style	A
Martin No.	28A26
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Chain Pitch	44.45 mm
Single Strand Tooth Thickness	29.44 mm
Chain No.	28B, 28B-1
Pitch Root Diameter	340.8 mm
Bore Range [Max]	326.76 mm
Pitch Diameter [Min]	368.8 mm
Bore Range [Min]	40.03 mm
Outside Dia.	396.39 mm
Caliper Diameter	340.83 mm
Root Diameter	340.8 mm
Hub Projection	N/A
Hub Length Thru	N/A
Inch/Metric	Metric
Bore Type	Reborable
Outside Dia. [Min]	396.39 mm
Width Across Teeth	29.44 mm
Material	Steel
No. of Strands Across	1
Series	A
Length Through Bore	29.44 mm
Pitch Diameter	368.8 mm
Hub Dia.	N/A
No. of Teeth	26
Bore Style	Minimum Bore
Hardened Teeth	Without Hardened Teeth
Weight	41.02 LB
EAN or UPC	697950406831