24B21

Metric Roller Chain Sprocket

Item #100967088

32.02 mm Minimum Bore

99 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
Outside Dia.	277.86 mm
Inch/Metric	Metric
Hardened Teeth	Without Hardened Teeth
Bore Style	Minimum Bore
Series	B
Sprocket Style	B
Pitch Diameter	255.6 mm
Length Through Bore	59.99 mm
Bore Range [Max]	99 mm
Bore Type	Reborable
No. of Strands Across	1
Pitch Root Diameter	230.2 mm
Family Name	No. 24 - 38.100 mm Pitch - Single - Type B & C
Single Strand Tooth Thickness	24.13 mm
Material	Steel
Outside Dia. [Min]	277.86 mm
Root Diameter	230.2 mm
Width Across Teeth	24.13 mm
No. of Teeth	21
Bore Range [Min]	32.02 mm
Pitch Diameter [Min]	255.6 mm
Hub Length Thru	60 mm
Caliper Diameter	229.52 mm
Hub Dia.	140 mm
Martin No.	24B21
Chain No.	24B, 24B-1
Pin Diameter	25.4 mm
Weight	29.49 LB
EAN or UPC	697950405728