3-19
Quality
Transmission
Components
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
www econobelt com
www.econobelt.com
NT Type Tensioner
A
C
B
Double (D)
Single (S)
= =
A
= =
P
M
O
N
Q
G
H
I
F
L
LOAD
R
D
E
=
=
Automatically keeps the tension constant.
For 3/8" to 1" Pitch Roller Chains
Low Friction Polyethylene Head – Spring-Loaded
Load
(N)
15
20
15
20
15
25
20
25
20
30
20
45
QCT-NT103S
QCT-NT103D
QCT-NT104S
QCT-NT104D
QCT-NT105S
QCT-NT105D
QCT-NT205S
QCT-NT205D
QCT-NT206S
QCT-NT206D
QCT-NT208S
QCT-NT208D
Min Max
Catalog
Number
A
B
C
D
E
F
G
H
L
I
M
N
O
P
Chain
Pitch
Q
R
130
130
130
180
180
180
3/8" x 7/32"
1/2" x 5/16"
5/8" x 3/8"
5/8" x 3/8"
3/4" x 7/16"
1" x 17 mm.
250
250
250
420
420
420
23
28
12.5
15
11
12.5
56
72
12
15
50
57
74
87
110
133
138
169
21
23
56
70
8
8
22
25
70
90
100
120
MATERIAL: Head – Polyethylene (UHMW-PE)
Base – Die-Cast Aluminum
Slide Arms – Steel (Zinc Plated)
MAX. OPERATING TEMPERATURE: 65
°
C (149
°
F)
All dimensions are in mm unless otherwise noted.
*
*The polyethylene head for this size is a semicircular shape.
