20A52

Metric Roller Chain Sprocket

Item #100966926

40 mm Minimum Bore

496.65 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 Style	Minimum Bore
Hub Length Thru	N/A
Pitch Diameter	525.8 mm
Pitch Diameter [Min]	525.8 mm
Caliper Diameter	506.8 mm
Root Diameter	506.8 mm
Single Strand Tooth Thickness	18.59 mm
Width Across Teeth	18.59 mm
Bore Type	Reborable
Inch/Metric	Metric
Martin No.	20A52
Outside Dia.	546.49 mm
Length Through Bore	18.59 mm
Hub Projection	N/A
No. of Teeth	52
Chain No.	20B, 20B-1
Material	Steel
Hub Dia.	N/A
Pin Diameter	19.05 mm
Series	A
Pitch Root Diameter	506.8 mm
Hardened Teeth	Without Hardened Teeth
Bore Range [Min]	40 mm
Chain Pitch	31.75 mm
Bore Range [Max]	496.65 mm
Family Name	No. 20 - 31.750 mm Pitch - Single - A
Sprocket Style	A
Outside Dia. [Min]	546.49 mm
No. of Strands Across	1
Weight	56.99 LB
EAN or UPC	697950404530