28C38

Metric Roller Chain Sprocket

Item #100967217

40.3 mm Minimum Bore

126 mm Maximum Bore

+ Show More

Auto Replenish

each One-time purchase

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