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