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

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