Mounting Orientation Mounting Orientation |
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Tension Force Tension Force |
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Housing Material Housing Material |
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Spring-Loaded Adjustable-Arm
Roller Chain and Belt Tensioners
Tensioners take up slack and allow you to adjust tension on your roller chain or belt. A built-in spring allows the adjustment arm to apply continuous tension. They are for use with idler sprockets or pulleys.
For technical drawings and 3-D models, click on a part number.
Mounting Plate | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Tension Force, lbs. | Ht. | Wd. | Tension Arm Lg. | Overall Dp. | Material | Arm Rotation | Includes | Each | |
Vertical Mount | ||||||||||
| 1/2"-13 | 45 | 5" | 3 1/2" | 5" | 2 7/8" | Steel | 180° | Idler Shaft | 00000000 | 0000000 |
| 5/8"-11 | 45 | 5" | 3 1/2" | 5" | 2 7/8" | Steel | 180° | Idler Shaft | 00000000 | 000000 |
| 3/4"-10 | 45 | 5" | 3 1/2" | 5" | 2 7/8" | Steel | 180° | Idler Shaft | 00000000 | 000000 |
Horizontal Mount | ||||||||||
| 1/2"-13 | 45 | 3 1/8" | 4" | 5" | 2 1/2" | Steel | 180° | Idler Shaft | 00000000 | 000000 |
| 5/8"-11 | 45 | 3 1/8" | 4" | 5" | 2 1/2" | Steel | 180° | Idler Shaft | 00000000 | 000000 |
| 3/4"-10 | 45 | 3 1/8" | 4" | 5" | 2 1/2" | Steel | 180° | Idler Shaft | 00000000 | 000000 |
| Replacement Spring | 00000000 | Each | 000000 |
Heavy Duty Belt and Roller Chain Tensioners
Maintain correct drive tension to ensure smooth operation for maximum power and a long service life. Designed for use on large belt and chain drives, tensioners are spring loaded to provide constant tension and automatic adjustments for pulsating loads. Idler shaft (sold separately) is required.
For technical drawings and 3-D models, click on a part number.
Adjustable-Arm Roller Chain and Belt Tensioners
Ultra-Low-Profile Channel-Guided Roller Chain Tensioners
Able to fit in tight spots, these tensioners are less than 3" tall. Built-in springs put constant tension on roller chain to absorb and buffer shock, reduce vibration, and improve drive performance.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Holes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Roller Chain Trade Size | Tension Force, lbs. | Travel Ht. | Ht. | Wd. | Dp. | Material | Housing Material | Dia., mm | No. of | Mounting Fasteners Included | Max. Temperature, ° F | Each | |
For Single-Strand ANSI Roller Chain | |||||||||||||
Vertical/Horizontal Mount | |||||||||||||
| 35 | 2-4 | 0.6" | 2 9/16" | 2" | 19/32" | Plastic | 304 Stainless Steel | 5 | 2 | No | 140° | 000000 | 000000 |
| 35 | 13-19 | 0.6" | 2 9/16" | 2" | 19/32" | Plastic | 304 Stainless Steel | 5 | 2 | No | 140° | 0000000 | 00000 |
Channel-Guided Roller Chain Tensioners
Built-in springs put constant tension on roller chain to absorb and buffer shock, reduce vibration, and improve drive performance.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Holes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Roller Chain Trade Size | Tension Force, lbs. | Travel Ht. | Ht. | Wd. | Dp. | Material | Housing Material | Dia. | No. of | Mounting Fasteners Included | Max. Temperature, ° F | Each | |
For Single-Strand ANSI Roller Chain | |||||||||||||
Vertical/Horizontal Mount | |||||||||||||
| 35 | 15-40 | 1.05" | 5 5/8" | 2 5/16" | 1" | Plastic | Aluminum | 3/8" | 1 | No | 180° | 0000000 | 0000000 |
| 40 | 15-40 | 1.05" | 5 5/8" | 2 5/16" | 1" | Plastic | Aluminum | 3/8" | 1 | No | 180° | 0000000 | 000000 |
| 50 | 20-60 | 1.2" | 6 13/32" | 2 31/32" | 1 3/16" | Plastic | Aluminum | 7/16" | 1 | No | 180° | 0000000 | 000000 |
| 60 | 20-60 | 1.2" | 6 13/32" | 2 31/32" | 1 3/16" | Plastic | Aluminum | 7/16" | 1 | No | 180° | 0000000 | 000000 |
| 80 | 45-100 | 1.5" | 7 1/2" | 3 9/16" | 1 13/32" | Plastic | Aluminum | 1/2" | 1 | No | 180° | 0000000 | 000000 |
| 100 | 45-100 | 1.5" | 7 1/2" | 3 9/16" | 1 13/32" | Plastic | Aluminum | 1/2" | 1 | No | 180° | 0000000 | 000000 |
Low-Profile Channel-Guided Roller Chain Tensioners
At less than 4" in height, these tensioners are good for use on low-clearance drives. Built-in springs put constant tension on roller chain to absorb and buffer shock, reduce vibration, and improve drive performance.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Holes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Roller Chain Trade Size | Tension Force, lbs. | Travel Ht. | Ht. | Wd. | Dp. | Material | Housing Material | Dia., mm | No. of | Mounting Fasteners Included | Max. Temperature, ° F | Each | |
For Single-Strand ANSI Roller Chain | |||||||||||||
Vertical/Horizontal Mount | |||||||||||||
| 25, 35 | 7-13 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 0000000 |
| 25, 35 | 13-29 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |
| 40 | 7-13 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |
| 40 | 13-29 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |
| 50 | 7-13 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |
| 50 | 13-29 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |
| 60 | 7-13 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |
| 60 | 13-29 | 1.6" | 3 25/32" | 2 25/32" | 1 1/4" | Plastic | Steel | 6 | 2 | No | 140° | 000000 | 000000 |