D28C45

Metric Roller Chain Sprocket

Item #100967432

40 mm Minimum Bore

133 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 Style	Minimum Bore
Width Across Teeth	88.39 mm
Hardened Teeth	Without Hardened Teeth
Outside Dia.	664.84 mm
Pitch Diameter [Min]	637.2 mm
Pitch Root Diameter	609.3 mm
No. of Strands Across	2
Caliper Diameter	608.89 mm
Outside Dia. [Min]	664.84 mm
Material	Steel
Root Diameter	609.3 mm
Bore Type	Reborable
Chain No.	28B, 28B-2
Inch/Metric	Metric
Pitch Diameter	637.2 mm
Bore Range [Min]	40 mm
Length Through Bore	159 mm
Single Strand Tooth Thickness	28.83 mm
Bore Range [Max]	133 mm
Hub Dia.	190.98 mm
Series	C
Sprocket Style	C
Chain Pitch	44.45 mm
No. of Teeth	45
Family Name	No. 28 - 44.450 mm Pitch - Double - Type B & C
Pin Diameter	27.94 mm
Hub Length Thru	159 mm
Martin No.	28C45
Weight	302.73 LB
EAN or UPC	697950407371