Selecting Compatible Lead Screws and Nuts
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Bearings for Conveyor Belt Tensioners
Use on a conveyor pulley with a conveyor belt tensioner to adjust the tension on a conveyor belt.
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 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 | 0000000 |
Ball Screws and Nuts
Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, they have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread direction and size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
Black-oxide alloy steel ball screws and nuts have mild corrosion resistance.
Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
For technical drawings and 3-D models, click on a part number.
Secure a way wiper on the end of a ball nut to sweep chips and other contaminants out of the way as it moves across the ball screw.
| Thread Size  | Lg. | Dia. | No. of Thread Starts | Travel Distance per Turn | External Thread Size | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
Black-Oxide Alloy Steel | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1 1/2"-2 | 5 19/32" | 2 5/8" | 1 | 0.5" | 2.360"-18 | Rockwell C56 | 14,500 | 0.015" | -40° to 300° | 00000000 | 0000000 |
Flange | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Dia. | Dia. | Thick. | No. of Thread Starts | Travel Distance per Turn | Bolt Circle Dia. | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
Black-Oxide Alloy Steel | ||||||||||||||
| C | 1 1/2"-2 | 5 19/32" | 2 5/8" | 4 21/32" | 25/32" | 1 | 0.5" | 3 7/8" | Rockwell C56 | 14,500 | 0.015" | -40° to 300° | 00000000 | 0000000 |