Selecting Compatible Lead Screws and Nuts
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About Plain Bearings
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Easy-Install Dry-Running Flanged Sleeve Bearings
A slit running along the length of these bearings allows you to quickly slip them into a housing—no tools required.
Note: Dynamic load capacity is the maximum load a bearing can withstand at a given shaft speed. If your application’s load and speed requirements are below the values listed, the bearing will work.
For technical drawings and 3-D models, click on a part number.
| For Housing ID | Lg. | Flange OD | Flange Thick. | Dynamic Radial Load Capacity | Dynamic Thrust Load Capacity | Color | Temperature Range, °F | Each | |
Nylon Plastic Bearings  | |||||||||
|---|---|---|---|---|---|---|---|---|---|
For 1 1/8" Shaft Dia. | |||||||||
| 1 7/32" | 1 11/64" | 1 11/16" | 3/64" | 390 lbs. @ 10 rpm | 370 lbs. @ 10 rpm | White | 0° to 200° | 0000000 | 00000 |
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.
| Thread Size | Lg. | Dia. | No. of Thread Starts | Travel Distance per Turn | External Thread Size | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temp. Range, °F | Each | ||
Black-Oxide Alloy Steel | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 3/8"-8 | 1 11/64" | 3/4" | 1 | 0.125" | 11/16"-28 | Rockwell C56 | 150 | 0.015" | -40° to 300° | 00000000 | 000000 |