24A21

Metric Roller Chain Sprocket

Item #100967052

32.02 mm Minimum Bore

217.28 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

Chain Pitch	38.1 mm
Bore Style	Minimum Bore
Pitch Diameter [Min]	255.6 mm
Bore Type	Reborable
Outside Dia. [Min]	277.86 mm
Length Through Bore	24.13 mm
Caliper Diameter	229.52 mm
Bore Range [Max]	217.28 mm
Bore Range [Min]	32.02 mm
Outside Dia.	277.86 mm
Chain No.	24B, 24B-1
Martin No.	24A21
Inch/Metric	Metric
Pitch Root Diameter	230.2 mm
Hub Dia.	N/A
Pitch Diameter	255.6 mm
Width Across Teeth	24.13 mm
No. of Teeth	21
Hub Projection	N/A
Hardened Teeth	Without Hardened Teeth
Material	Steel
Sprocket Style	A
Hub Length Thru	N/A
Pin Diameter	25.4 mm
Single Strand Tooth Thickness	24.13 mm
Family Name	No. 24 - 38.100 mm Pitch - Single - A
No. of Strands Across	1
Root Diameter	230.2 mm
Series	A
Weight	19.0 LB
EAN or UPC	697950405735