Catalog
Number
 
Chain
Pitch
Load
(N)
 
 A  B  C D E F G H I L M N O P Q R
Min Max
QCT-NT103S  3/8" x 7/32" 130 250 15                               
QCT-NT103D 20
QCT-NT104S  1/2" x 5/16" 130 250 15  23 12.5 11 56 12 50 74 110 138 21 56 8 22 70 100
QCT-NT104D 20
QCT-NT105S  5/8" x 3/8" 130 250 15                               
QCT-NT105D 25
QCT-NT205S  5/8" x 3/8" 180 420 20                               
QCT-NT205D 25
QCT-NT206S  3/4" x 7/16" 180 420 20  28 15 12.5 72 15 57 87 133 169 23 70 8 25 90 120
QCT-NT206D 30
QCT-NT208S  1" x 17 mm. 180 420 20                               
QCT-NT208D* 45

*The polyethylene head for this size is a semicircular shape.
All dimensions are in mm unless otherwise noted.


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Quality Transmission Components
125 Railroad Avenue, Garden City Park, NY 11040-5016 
Phone: (516) 437-6700 • Fax: (516) 328-3343 
e-mail: support@econobelt.com
 

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NT Type Tensioner   
For 3/8" to 1" Pitch Roller Chains Low Friction Polyethylene Head - Spring Loaded