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

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