D28C48

Metric Roller Chain Sprocket

Item #100967433

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

Outside Dia. [Min]	707.25 mm
Hub Length Thru	159 mm
Outside Dia.	707.25 mm
Material	Steel
Caliper Diameter	651.69 mm
Bore Range [Min]	40 mm
Inch/Metric	Metric
Pitch Diameter [Min]	679.6 mm
Chain Pitch	44.45 mm
Pin Diameter	27.94 mm
No. of Teeth	48
Root Diameter	651.7 mm
No. of Strands Across	2
Width Across Teeth	88.39 mm
Length Through Bore	159 mm
Hub Dia.	190.98 mm
Bore Range [Max]	133 mm
Series	C
Martin No.	28C48
Pitch Root Diameter	651.7 mm
Single Strand Tooth Thickness	28.83 mm
Hardened Teeth	Without Hardened Teeth
Family Name	No. 28 - 44.450 mm Pitch - Double - Type B & C
Sprocket Style	C
Bore Type	Reborable
Bore Style	Minimum Bore
Chain No.	28B, 28B-2
Pitch Diameter	679.6 mm
Weight	338.65 LB
EAN or UPC	697950407388