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Tensioners - Positioners

Power Transmission & Bearing Products

If you have questions or comments about any of our products, you can reach us at:

2820 Clark (63103-2506)
P.O. Box 14726
St. Louis, MO 63178-4726

Tel: 314-534-4021

Fax: 314-534-4026

T-Series & MSL / Automatic Tensioning

T-Series/Spring Loaded

Patent NO. 3.374.686

The Universal Drive Tensioner Spring loaded T-series incorporates an adjusting slot for control tensioning and a serrated arm, permitting tensioning at any point on a 360º arc.
The "T" Series tensioner has a spring for a constant tension which is more practical for pulsating loads. The base is more practical for pulsating loads. The base is made of high-grade semi-steel casting, incorporating a needle bearing and ball bearing to eliminate binding on over-hung loads. A precision cut gear and rack combined with a spring enables the arm to work 90º in either direction.

The standard model will support a 22# load at the idler shaft center. If more capacity is desired, a heavier spring is available to support up to 44# which pivots 45º in either direction.

Model No.

Use with Shaft No.*

App. Wt.

Downloads

SO-2

1-1/2"

2-1/8"

2-1/2"

8-11/16"

7-1/2"

3-1/8"

2-1/16"

3/8"

4-13/16"

6.37

dwg

dxf

SO-3

2-1/2"

3-1/8"

SO-4

3-1/2"

4-1/8"

* Idler shaft & set collar not included in tensioner unit. Must be ordered separately.

MSL / Spring Loaded

The MSL Tensioner, with a compression spring located in the base casting, is designed for drives with shock and pulsating loads. For every 28 pounds of force applied the spring will compress 1 inch. The tensioner will "cushion" and protect the drive from the damage caused by shock and pulsation. The idler head casting rotates 360 degrees and vertical adjustment is accomplished through 4 slots.

Model No.

Use with Shaft No.*

App. Wt.

Downloads

MSL

SO-5

3-1/4"

1-1/2"

3-3/16"

1-7/8"

4-3/8"

2-5/8"

1-5/8"

5/8"

10"

1-5/8"

13/16"

dwg

dxf

SO-5

5-1/4"

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