Material Material |
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Length Length |
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Adjusting Screw Material Adjusting Screw Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Mounting Hole Center-to-Center Length Mounting Hole Center-to-Center Length |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Mounting Hole Center-to-Center Height Mounting Hole Center-to-Center Height |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Dynamic Load Capacity Dynamic Load Capacity |
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Maximum Speed Maximum Speed |
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Minimum Mounting Slot Center-to-Center Height Minimum Mounting SlotCenter-to-Center Height |
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Conveyor Belt Tensioners
A tensioner extends or retracts the conveyor pulley to adjust the tension on the conveyor belt. Mount to the sides of the conveyor and attach to the bearings that hold the pulley.
Stainless steel tensioners are corrosion resistant.
Note: Two tensioners and two bearings (sold separately) are required.
For technical drawings and 3-D models, click on a part number.
Tensioners
Steel
Stainless Steel
A tensioner extends or retracts the conveyor pulley to adjust the tension on the conveyor belt.
Mounting Hole | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Max. Adjustment Lg. | Lg. | Ht. | Adjusting Screw Material | Mounting Fasteners Included | Dia. | Ctr.-to-Ctr. Lg. | Ctr.-to-Ctr. Ht. | Color | Each | |
Painted Steel | ||||||||||
| 1 1/2" | 7" | 4 1/16" | Cadmium-Plated Steel | No | 9/16" | 6" | 3 3/16" | Gray | 0000000 | 0000000 |
| 3" | 8 1/2" | 4 1/16" | Cadmium-Plated Steel | No | 9/16" | 7 1/2" | 3 3/16" | Gray | 0000000 | 000000 |
| 6" | 11 1/2" | 4 1/16" | Cadmium-Plated Steel | No | 9/16" | 10 1/2" | 3 3/16" | Gray | 0000000 | 000000 |
| 6" | 12 3/8" | 4 11/16" | Cadmium-Plated Steel | No | 9/16" | 11 3/8" | 3 11/16" | Gray | 0000000 | 000000 |
| 6" | 14" | 5 1/16" | Cadmium-Plated Steel | No | 9/16" | 12 7/8" | 3 1/16" | Gray | 0000000 | 000000 |
| 9" | 14 1/2" | 4 1/16" | Cadmium-Plated Steel | No | 9/16" | 13 1/2" | 3 3/16" | Gray | 0000000 | 000000 |
| 9" | 15 3/8" | 4 11/16" | Cadmium-Plated Steel | No | 9/16" | 14 3/8" | 3 11/16" | Gray | 0000000 | 000000 |
| 9" | 17" | 5 1/16" | Cadmium-Plated Steel | No | 9/16" | 15 7/8" | 3 1/16" | Gray | 0000000 | 000000 |
| 12" | 18 3/8" | 4 11/16" | Cadmium-Plated Steel | No | 9/16" | 17 3/8" | 3 11/16" | Gray | 0000000 | 000000 |
| 12" | 20" | 5 1/16" | Cadmium-Plated Steel | No | 9/16" | 18 7/8" | 3 1/16" | Gray | 0000000 | 000000 |
| 18" | 26" | 5 1/16" | Cadmium-Plated Steel | No | 9/16" | 24 7/8" | 3 1/16" | Gray | 0000000 | 000000 |
Stainless Steel | ||||||||||
| 3" | 8" | 3 3/4" | Stainless Steel | No | 3/8" | 6 1/2" | 1 3/4" | __ | 0000000 | 000000 |
| 6" | 11" | 3 3/4" | Stainless Steel | No | 3/8" | 9 1/2" | 1 3/4" | __ | 0000000 | 000000 |
| 9" | 14" | 3 3/4" | Stainless Steel | No | 3/8" | 12 1/2" | 1 3/4" | __ | 0000000 | 000000 |
| 12" | 17" | 3 3/4" | Stainless Steel | No | 3/8" | 15 1/2" | 1 3/4" | __ | 0000000 | 000000 |
Bearings
Iron
Stainless Steel
End View
| For Tensioner Height | For Shaft Dia. | Dynamic Load Cap., lbs. | Max. Speed, rpm | Lg. | Wd. | Ht. | Temp. Range, °F | Features | Each | |
Iron | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 4 1/16" | 1/2" | 2,100 | 7,500 | 3 11/16" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 0000000 |
| 4 1/16" | 5/8" | 2,100 | 7,500 | 3 11/16" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 4 1/16" | 3/4" | 2,610 | 6,500 | 4" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 4 1/16" | 1" | 2,800 | 5,500 | 4 3/32" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 4 11/16" | 1 3/16" | 4,380 | 4,500 | 4 5/8" | 17/32" | 4" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 4 11/16" | 1 1/4" | 5,780 | 4,000 | 5" | 17/32" | 4" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 4 11/16" | 1 7/16" | 5,780 | 4,000 | 5" | 17/32" | 4" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 5 1/16" | 1 1/2" | 7,340 | 3,500 | 5 19/32" | 11/16" | 4 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 5 1/16" | 1 3/4" | 7,900 | 3,000 | 5 3/4" | 11/16" | 4 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 5 1/16" | 1 15/16" | 7,880 | 3,000 | 5 29/32" | 11/16" | 4 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
Stainless Steel with Plastic Housing | ||||||||||
| 3 3/4" | 5/8" | 2,435 | 4,835 | 3 11/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 3 3/4" | 3/4" | 2,435 | 4,835 | 3 11/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 3 3/4" | 7/8" | 2,650 | 4,610 | 3 13/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 3 3/4" | 1" | 2,650 | 4,610 | 3 13/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
Bearings for Conveyor Belt Tensioners
Iron
Stainless Steel
End View
Use on a conveyor pulley with a conveyor belt tensioner to adjust the tension on a conveyor belt.
Stainless steel bearings are corrosion resistant.
For technical drawings and 3-D models, click on a part number.
| For Shaft Dia. | Dynamic Load Cap., lbs. | Max. Speed, rpm | Lg. | Wd. | Ht. | Temp. Range, °F | Features | Each | |
Iron | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 2,100 | 7,500 | 3 11/16" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 0000000 |
| 5/8" | 2,100 | 7,500 | 3 11/16" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 3/4" | 2,610 | 6,500 | 4" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1" | 2,800 | 5,500 | 4 3/32" | 17/32" | 3 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1 3/16" | 4,380 | 4,500 | 4 5/8" | 17/32" | 4" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1 1/4" | 5,780 | 4,000 | 5" | 17/32" | 4" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1 7/16" | 5,780 | 4,000 | 5" | 17/32" | 4" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1 1/2" | 7,340 | 3,500 | 5 19/32" | 11/16" | 4 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1 3/4" | 7,900 | 3,000 | 5 3/4" | 11/16" | 4 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1 15/16" | 7,880 | 3,000 | 5 29/32" | 11/16" | 4 1/2" | -20° to 200° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
Stainless Steel with Plastic Housing | |||||||||
| 5/8" | 2,435 | 4,835 | 3 11/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 3/4" | 2,435 | 4,835 | 3 11/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 7/8" | 2,650 | 4,610 | 3 13/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
| 1" | 2,650 | 4,610 | 3 13/16" | 17/64" | 3 1/8" | 0° to 150° | Grease Fitting, Locking Collar with Two Set Screws | 0000000 | 000000 |
Enclosed Conveyor Belt Tensioners
Prevent debris buildup, and thread damage—these tensioners have a totally enclosed adjusting screw. Tensioners mount to the sides of the conveyor and attach to the bearings that hold the pulley. Note: Two tensioners and two base-mount bearings (not included) are required.
Stainless steel tensioners are corrosion resistant.
For technical drawings and 3-D models, click on a part number.
Mounting Hole | Mounting Slot | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. Adjustment Lg. | Lg. | Ht. | Adjusting Screw Material | Mounting Fasteners Included | Dia. | Ctr.-to-Ctr. Lg. | Ctr.-to-Ctr. Ht. | Wd. | Ht. | Ctr.-to-Ctr. Ht. | Each | |
Steel | ||||||||||||
| 3" | 6 7/8" | 5 1/4" | Steel | No | 1/2" | 3 9/16" | 2 5/8" | 3/8" | 11/16" | 2 15/16"-4 5/16" | 00000000 | 0000000 |
| 3" | 8 1/2" | 7" | Steel | No | 1/2" | 4 3/8" | 3" | 1/2" | 15/16" | 3 13/16"-5 11/16" | 00000000 | 000000 |
| 6" | 10 3/8" | 5 1/4" | Steel | No | 1/2" | 7 1/16" | 2 5/8" | 3/8" | 11/16" | 2 15/16"-4 5/16" | 00000000 | 000000 |
| 6" | 11 1/2" | 7" | Steel | No | 1/2" | 7 3/8" | 3" | 1/2" | 15/16" | 3 13/16"-5 11/16" | 00000000 | 000000 |
| 9" | 14 3/8" | 5 1/4" | Steel | No | 1/2" | 11 1/16" | 2 5/8" | 3/8" | 11/16" | 2 15/16"-4 5/16" | 00000000 | 000000 |
| 9" | 14 1/2" | 7" | Steel | No | 1/2" | 10 3/8" | 3" | 1/2" | 15/16" | 3 13/16"-5 11/16" | 00000000 | 000000 |
| 12" | 19 1/8" | 10" | Steel | No | 5/8" | 14 1/8" | 4" | 5/8" | 1 9/16" | 5 9/16"-8 11/16" | 00000000 | 000000 |
Stainless Steel | ||||||||||||
| 3" | 6 7/8" | 5 1/4" | Stainless Steel | No | 1/2" | 3 9/16" | 2 5/8" | 3/8" | 11/16" | 2 15/16"-4 5/16" | 00000000 | 000000 |
| 3" | 8 1/2" | 7" | Stainless Steel | No | 1/2" | 4 3/8" | 3" | 1/2" | 15/16" | 3 13/16"-5 11/16" | 00000000 | 000000 |
| 6" | 10 3/8" | 5 1/4" | Stainless Steel | No | 1/2" | 7 1/16" | 2 5/8" | 3/8" | 11/16" | 2 15/16"-4 5/16" | 00000000 | 000000 |
| 6" | 11 1/2" | 7" | Stainless Steel | No | 1/2" | 7 3/8" | 3" | 1/2" | 15/16" | 3 13/16"-5 11/16" | 00000000 | 000000 |
| 9" | 14 3/8" | 5 1/4" | Stainless Steel | No | 1/2" | 11 1/16" | 2 5/8" | 3/8" | 11/16" | 2 15/16"-4 5/16" | 00000000 | 000000 |
| 9" | 14 1/2" | 7" | Stainless Steel | No | 1/2" | 10 3/8" | 3" | 1/2" | 15/16" | 3 13/16"-5 11/16" | 00000000 | 000000 |