Drive System Dimensional Data

  • Spring-loaded belt face to insure proper tension
  • Unique control mechanism
  • High-speed ratio using standard A section belts
  • Ratios up to 9:1 available
Horsepower Ratings vs. Output Speed
H.P.
Speed
Motor Pulley Diameter
Driven Shaft Diameter
3/4
282-2540
3.0
6.2
227-2050
7.7
181-1625
9.7
150-1350
11.7
1
375-3380
4.0
6.2
301-2730
7.7
242-2160
9.7
200-1800
11.7
1-1/2
490-4410
5.2
6.2
393-3540
7.7
314-2820
9.7
260-2340
11.7
Service Factor 1.2
Note: H.P. capacity as shown is from Mid to Max speed.
Rating is 50% lower at low speed.
WARNING: All open belt drives must be adequately
guarded for personal safety during operation.
Belt Size vs. Center Distance
Belt No.
Motor Pulley Diameter
3.0
4.0
5.2
4L260
7.2
A-26
8.2
4L280
8.2
7.4
4L300
9.2
8.4
7.5
4L320
10.2
9.4
8.5

Compound Drive Installation Configurations

The diagrams below illustrate the proper methods of installing compound drives. Any other menthod of installation will result in severe belt damage. Choose the configuration which best suits your application.

Configuration #1

Configuration #2