D28B19

Metric Roller Chain Sprocket

Item #100967419

40 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

Pitch Diameter	270.1 mm
Hub Length Thru	90.64 mm
Bore Type	Reborable
Bore Range [Min]	40 mm
Inch/Metric	Metric
Chain No.	28B, 28B-2
Material	Steel
No. of Strands Across	2
Pin Diameter	27.94 mm
Bore Range [Max]	126 mm
Width Across Teeth	88.39 mm
Hardened Teeth	Without Hardened Teeth
Pitch Root Diameter	242.1 mm
Caliper Diameter	241.2 mm
Martin No.	28B19
Chain Pitch	44.45 mm
Family Name	No. 28 - 44.450 mm Pitch - Double - Type B & C
No. of Teeth	19
Bore Style	Minimum Bore
Outside Dia.	297.68 mm
Length Through Bore	119.99 mm
Outside Dia. [Min]	297.68 mm
Single Strand Tooth Thickness	28.83 mm
Root Diameter	242.1 mm
Hub Dia.	178 mm
Pitch Diameter [Min]	270.1 mm
Sprocket Style	B
Series	B
Weight	85.82 LB
EAN or UPC	697950407241