28A13

Metric Roller Chain Sprocket

Item #100967146

32.02 mm Minimum Bore

141.02 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

Root Diameter	157.8 mm
Pitch Diameter	185.7 mm
Martin No.	28A13
Chain Pitch	44.45 mm
Single Strand Tooth Thickness	29.44 mm
No. of Teeth	13
No. of Strands Across	1
Pitch Root Diameter	157.8 mm
Hub Projection	N/A
Pitch Diameter [Min]	185.7 mm
Hardened Teeth	Without Hardened Teeth
Inch/Metric	Metric
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Length Through Bore	29.44 mm
Hub Length Thru	N/A
Caliper Diameter	156.44 mm
Series	A
Bore Style	Minimum Bore
Bore Type	Reborable
Bore Range [Max]	141.02 mm
Sprocket Style	A
Hub Dia.	N/A
Width Across Teeth	29.44 mm
Pin Diameter	27.94 mm
Outside Dia.	213.36 mm
Outside Dia. [Min]	213.36 mm
Bore Range [Min]	32.02 mm
Chain No.	28B, 28B-1
Material	Steel
Weight	9.5 LB
EAN or UPC	697950406572