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

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