28A19

Metric Roller Chain Sprocket

Item #100967152

40.03 mm Minimum Bore

227.05 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

Pin Diameter	27.94 mm
Caliper Diameter	241.2 mm
Root Diameter	242.1 mm
Single Strand Tooth Thickness	29.44 mm
Length Through Bore	29.44 mm
No. of Teeth	19
Sprocket Style	A
Hub Dia.	N/A
Width Across Teeth	29.44 mm
Chain Pitch	44.45 mm
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Outside Dia.	297.68 mm
Inch/Metric	Metric
Pitch Diameter	270.1 mm
No. of Strands Across	1
Bore Style	Minimum Bore
Hardened Teeth	Without Hardened Teeth
Martin No.	28A19
Hub Projection	N/A
Outside Dia. [Min]	297.68 mm
Material	Steel
Pitch Root Diameter	242.1 mm
Chain No.	28B, 28B-1
Hub Length Thru	N/A
Series	A
Bore Range [Max]	227.05 mm
Bore Type	Reborable
Pitch Diameter [Min]	270.1 mm
Bore Range [Min]	40.03 mm
Weight	21.01 LB
EAN or UPC	697950406695