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

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