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

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