28A15

Metric Roller Chain Sprocket

Item #100967148

40.03 mm Minimum Bore

169.8 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

Bore Type	Reborable
Pitch Diameter [Min]	213.8 mm
Chain No.	28B, 28B-1
Caliper Diameter	184.68 mm
No. of Teeth	15
Bore Style	Minimum Bore
Outside Dia.	241.42 mm
Length Through Bore	29.44 mm
Material	Steel
Width Across Teeth	29.44 mm
Hardened Teeth	Without Hardened Teeth
Pitch Diameter	213.8 mm
Bore Range [Max]	169.8 mm
No. of Strands Across	1
Chain Pitch	44.45 mm
Hub Projection	N/A
Inch/Metric	Metric
Outside Dia. [Min]	241.42 mm
Hub Dia.	N/A
Martin No.	28A15
Series	A
Pitch Root Diameter	185.9 mm
Hub Length Thru	N/A
Bore Range [Min]	40.03 mm
Root Diameter	185.9 mm
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Sprocket Style	A
Pin Diameter	27.94 mm
Single Strand Tooth Thickness	29.44 mm
Weight	12.01 LB
EAN or UPC	697950406619