20A52

Metric Roller Chain Sprocket

Item #100966926

40 mm Minimum Bore

496.65 mm Maximum Bore

+ Show More

Auto Replenish

each One-time purchase

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

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