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

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