28A11

Metric Roller Chain Sprocket

Item #100967144

32.02 mm Minimum Bore

112.06 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

Outside Dia.	185.4 mm
Pitch Diameter	157.8 mm
Caliper Diameter	128.23 mm
Root Diameter	129.8 mm
Martin No.	28A11
Bore Style	Minimum Bore
Width Across Teeth	29.44 mm
Material	Steel
No. of Strands Across	1
Hardened Teeth	Without Hardened Teeth
Pitch Diameter [Min]	157.8 mm
Hub Dia.	N/A
Pitch Root Diameter	129.8 mm
Sprocket Style	A
Length Through Bore	29.44 mm
Hub Length Thru	N/A
Bore Range [Min]	32.02 mm
No. of Teeth	11
Outside Dia. [Min]	185.4 mm
Pin Diameter	27.94 mm
Inch/Metric	Metric
Chain No.	28B, 28B-1
Hub Projection	N/A
Series	A
Bore Type	Reborable
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Chain Pitch	44.45 mm
Bore Range [Max]	112.06 mm
Single Strand Tooth Thickness	29.44 mm
Weight	7.01 LB
EAN or UPC	697950406534