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

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