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

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