28A54

Metric Roller Chain Sprocket

Item #100967170

40.03 mm Minimum Bore

723.85 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

No. of Teeth	54
Bore Type	Reborable
Hub Projection	N/A
Martin No.	28A54
Bore Style	Minimum Bore
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Bore Range [Max]	723.85 mm
Root Diameter	736.5 mm
Sprocket Style	A
Caliper Diameter	736.53 mm
Chain No.	28B, 28B-1
Width Across Teeth	29.44 mm
Pitch Root Diameter	736.5 mm
Single Strand Tooth Thickness	29.44 mm
Inch/Metric	Metric
Outside Dia.	792.09 mm
Hardened Teeth	Without Hardened Teeth
Hub Length Thru	N/A
Pitch Diameter [Min]	764.5 mm
Length Through Bore	29.44 mm
Series	A
Outside Dia. [Min]	792.09 mm
Material	Steel
Bore Range [Min]	40.03 mm
Pitch Diameter	764.5 mm
Chain Pitch	44.45 mm
Hub Dia.	N/A
No. of Strands Across	1
Pin Diameter	27.94 mm
Weight	181.52 LB
EAN or UPC	697950407050