20B44

Metric Roller Chain Sprocket

Item #100966980

31.65 mm Minimum Bore

86 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 Diameter [Min]	445.1 mm
Bore Type	Reborable
Family Name	No. 20 - 31.750 mm Pitch - Single - Type B & C
Hardened Teeth	Without Hardened Teeth
No. of Strands Across	1
Pitch Root Diameter	426 mm
Length Through Bore	64.01 mm
Material	Steel
Single Strand Tooth Thickness	18.59 mm
Bore Style	Minimum Bore
Pitch Diameter	445.1 mm
Hub Dia.	127 mm
Caliper Diameter	426.01 mm
No. of Teeth	44
Inch/Metric	Metric
Root Diameter	426 mm
Series	B
Outside Dia.	465.69 mm
Bore Range [Max]	86 mm
Outside Dia. [Min]	465.69 mm
Hub Length Thru	64 mm
Width Across Teeth	18.59 mm
Martin No.	20B44
Chain No.	20B, 20B-1
Sprocket Style	B
Chain Pitch	31.75 mm
Bore Range [Min]	31.65 mm
Pin Diameter	19.05 mm
Weight	52.8 LB
EAN or UPC	697950404363