24A57

Metric Roller Chain Sprocket

Item #100967072

40.03 mm Minimum Bore

655.08 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

Length Through Bore	24.13 mm
Bore Type	Reborable
Hub Projection	N/A
Pitch Diameter [Min]	691.6 mm
Hardened Teeth	Without Hardened Teeth
Caliper Diameter	665.96 mm
Bore Style	Minimum Bore
Hub Dia.	N/A
Pitch Root Diameter	666.2 mm
Pitch Diameter	691.6 mm
Chain Pitch	38.1 mm
Family Name	No. 24 - 38.100 mm Pitch - Single - A
No. of Teeth	57
No. of Strands Across	1
Single Strand Tooth Thickness	24.13 mm
Inch/Metric	Metric
Martin No.	24A57
Sprocket Style	A
Width Across Teeth	24.13 mm
Outside Dia.	713.85 mm
Chain No.	24B, 24B-1
Pin Diameter	25.4 mm
Material	Steel
Bore Range [Max]	655.08 mm
Root Diameter	666.2 mm
Series	A
Outside Dia. [Min]	713.85 mm
Hub Length Thru	N/A
Bore Range [Min]	40.03 mm
Weight	143.76 LB
EAN or UPC	697950406138