D28C76

Metric Roller Chain Sprocket

Item #100967439

40 mm Minimum Bore

166 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

Chain No.	28B, 28B-2
Outside Dia.	1103.24 mm
Length Through Bore	181.76 mm
Inch/Metric	Metric
Hub Length Thru	181 mm
Root Diameter	1047.7 mm
Hardened Teeth	Without Hardened Teeth
Material	Steel
Sprocket Style	C
Bore Range [Max]	166 mm
Caliper Diameter	1047.68 mm
Single Strand Tooth Thickness	28.83 mm
Pitch Diameter [Min]	1075.6 mm
Hub Dia.	241 mm
Width Across Teeth	88.39 mm
Martin No.	28C76
Pin Diameter	27.94 mm
No. of Teeth	76
No. of Strands Across	2
Bore Range [Min]	40 mm
Series	C
Pitch Root Diameter	1047.7 mm
Bore Type	Reborable
Family Name	No. 28 - 44.450 mm Pitch - Double - Type B & C
Chain Pitch	44.45 mm
Pitch Diameter	1075.6 mm
Bore Style	Minimum Bore
Outside Dia. [Min]	1103.24 mm
Weight	713.32 LB
EAN or UPC	697950407449