3-17
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
MATERIAL: Mounting Head – Die-Cast Aluminum
Base – High-Tensile Die-Cast Aluminum Alloy
Slide Arms – High-Tensile Steel (Zinc Plated)
Roller – Material Code
A Aluminum
S Steel (Zinc Plated)
ET-PU Type Tensioner
For Belts – Roller with Ball Bearings
Spring-Loaded
A
= =
=
=
M
C
B
Q
Q
R
R
L
I
H
G
F
P
O
D
=
=
E
N
LOAD
Integral
"End-of-stroke" sensing
switch is available on
special order.
Automatically keeps the tension constant.
QBT-ET1PU30X35
QBT-ET1PU50X50
QBT-ET2PU50X50
QBT-ET3PU50X50
QBT-ET3PU60X60
127
163
193
58
70
86
11
12.5
14.5
12.5
15
17.5
20
25
30
1.5
2.5
2.5
2.5
30
50
50
50
60
35
50
50
50
60
–
–
70
–
–
35
–
–
21
99
127
151
74
87
104
56.2
70.5
82
7
9
9
23
28
33
130
180
300
Load
(N)
Min Max
Catalog
Number
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
250
420
650
NOTES: Orientation of roller is supplied as shown. End user can reposition if necessary.
Fill in the box with desired material designation to complete part number.
All dimensions are in mm unless otherwise noted.
N Nylon
