D28B19

Metric Roller Chain Sprocket

Item #100967419

40 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

Pitch Root Diameter	242.1 mm
Pitch Diameter [Min]	270.1 mm
Length Through Bore	119.99 mm
Hardened Teeth	Without Hardened Teeth
Series	B
Chain Pitch	44.45 mm
No. of Strands Across	2
Bore Range [Max]	126 mm
Caliper Diameter	241.2 mm
Material	Steel
Hub Dia.	178 mm
No. of Teeth	19
Chain No.	28B, 28B-2
Pitch Diameter	270.1 mm
Bore Type	Reborable
Bore Range [Min]	40 mm
Width Across Teeth	88.39 mm
Outside Dia.	297.68 mm
Inch/Metric	Metric
Bore Style	Minimum Bore
Family Name	No. 28 - 44.450 mm Pitch - Double - Type B & C
Root Diameter	242.1 mm
Pin Diameter	27.94 mm
Sprocket Style	B
Martin No.	28B19
Hub Length Thru	90.64 mm
Single Strand Tooth Thickness	28.83 mm
Outside Dia. [Min]	297.68 mm
Weight	85.82 LB
EAN or UPC	697950407241