28C38

Metric Roller Chain Sprocket

Item #100967217

40.3 mm Minimum Bore

126 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

Series	C
Inch/Metric	Metric
Pitch Diameter	538.3 mm
Length Through Bore	102.01 mm
Hub Dia.	177.98 mm
Family Name	No. 28 - 44.450 mm Pitch - Single - Type B & C
Outside Dia.	565.89 mm
No. of Teeth	38
Outside Dia. [Min]	565.89 mm
Width Across Teeth	29.44 mm
Pitch Root Diameter	510.3 mm
Bore Range [Max]	126 mm
Pin Diameter	27.94 mm
Martin No.	28C38
Chain No.	28B, 28B-1
Hardened Teeth	Without Hardened Teeth
Chain Pitch	44.45 mm
Bore Style	Minimum Bore
Caliper Diameter	510.33 mm
Sprocket Style	C
Bore Type	Reborable
Material	Steel
Root Diameter	510.3 mm
Single Strand Tooth Thickness	29.44 mm
No. of Strands Across	1
Pitch Diameter [Min]	538.3 mm
Bore Range [Min]	40.3 mm
Hub Length Thru	102 mm
Weight	112.98 LB
EAN or UPC	697950406947