28A32

Metric Roller Chain Sprocket

Item #100967164

40.03 mm Minimum Bore

411.99 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

Martin No.	28A32
Material	Steel
Bore Type	Reborable
Hub Length Thru	N/A
Inch/Metric	Metric
Pin Diameter	27.94 mm
Family Name	No. 28 - 44.450 mm Pitch - Single - A
Chain Pitch	44.45 mm
Bore Range [Min]	40.03 mm
Hardened Teeth	Without Hardened Teeth
Pitch Root Diameter	425.6 mm
Bore Style	Minimum Bore
Chain No.	28B, 28B-1
Outside Dia.	481.11 mm
Hub Projection	N/A
Sprocket Style	A
Caliper Diameter	425.55 mm
Bore Range [Max]	411.99 mm
Single Strand Tooth Thickness	29.44 mm
Hub Dia.	N/A
No. of Teeth	32
Pitch Diameter [Min]	453.5 mm
Length Through Bore	29.44 mm
Pitch Diameter	453.5 mm
Width Across Teeth	29.44 mm
No. of Strands Across	1
Outside Dia. [Min]	481.11 mm
Root Diameter	425.6 mm
Series	A
Weight	68.38 LB
EAN or UPC	697950406930