D28B13

Metric Roller Chain Sprocket

Item #100967413

40 mm Minimum Bore

92 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 Range [Max]	92 mm
Root Diameter	157.8 mm
Pitch Diameter	185.7 mm
Caliper Diameter	156.44 mm
Pitch Diameter [Min]	185.7 mm
Pin Diameter	27.94 mm
Chain No.	28B, 28B-2
Inch/Metric	Metric
Sprocket Style	B
Bore Style	Minimum Bore
Outside Dia.	213.36 mm
No. of Strands Across	2
Family Name	No. 28 - 44.450 mm Pitch - Double - Type B & C
Hardened Teeth	Without Hardened Teeth
No. of Teeth	13
Width Across Teeth	88.39 mm
Series	B
Single Strand Tooth Thickness	28.83 mm
Hub Length Thru	90.64 mm
Bore Range [Min]	40 mm
Outside Dia. [Min]	213.36 mm
Martin No.	28B13
Length Through Bore	119.99 mm
Chain Pitch	44.45 mm
Material	Steel
Hub Dia.	130 mm
Pitch Root Diameter	157.8 mm
Bore Type	Reborable
Weight	35.27 LB
EAN or UPC	697950407180