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

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