28C48

Metric Roller Chain Sprocket

Item #100967221

40.37 mm Minimum Bore

126 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.	28C48
Root Diameter	651.7 mm
Chain Pitch	44.45 mm
Pitch Diameter	679.6 mm
Family Name	No. 28 - 44.450 mm Pitch - Single - Type B & C
Bore Range [Max]	126 mm
No. of Teeth	48
Outside Dia. [Min]	707.25 mm
Material	Steel
Pitch Diameter [Min]	679.6 mm
Hub Dia.	177.98 mm
Bore Type	Reborable
Length Through Bore	102.01 mm
Bore Range [Min]	40.37 mm
Pin Diameter	27.94 mm
Series	C
Bore Style	Minimum Bore
Width Across Teeth	29.44 mm
Sprocket Style	C
Caliper Diameter	651.69 mm
Hub Length Thru	102 mm
Chain No.	28B, 28B-1
Outside Dia.	707.25 mm
Pitch Root Diameter	651.7 mm
Inch/Metric	Metric
Single Strand Tooth Thickness	29.44 mm
No. of Strands Across	1
Hardened Teeth	Without Hardened Teeth
Weight	138.27 LB
EAN or UPC	697950407029