Selecting Compatible Lead Screws and Nuts
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About Ball and Roller Bearings
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Spherical-Roller Bearings
Two rows of rollers give these bearings dynamic radial load capacities over five times higher than comparably sized tapered-roller bearings. Also known as rock crusher bearings, they handle heavy shock loads and are used for metal milling machinery, mining and oil field equipment, and in paper mills.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||
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For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Bearing Trade Number | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Max. Temp. Range, °F | Each | |
Open | |||||||||||
65 | 140 | 48 | 22313 | Steel | 78,500 | 82,000 | 5,000 | Required | 212 | 0000000 | 0000000 |
Multi-Slotted Shims
Use a single shim on feet or positioning arms that are secured with multiple fasteners. The slots let you insert, remove, and adjust the shims without disassembling your machinery. Shims are made of steel for good strength. Also known as finger shims.
Metric shims meet standards set by NAAMS (North American Automotive Metric Standards) for assembly components commonly used in production and automation setups.
For technical drawings and 3-D models, click on a part number.
Slot | |||||||||||||
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Thick. | Thick. Tolerance | Lg. | Wd. | Wd. | Dp. | Shim Trade Size | For Max. Screw Size | Material | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
Metric | |||||||||||||
Three Slots | |||||||||||||
0.25mm | -0.03mm to 0.03mm | 25mm | 48mm | 10.5mm | 17.8mm | ASH302 | M10 | 1008-1010 Carbon Steel | Not Rated | Magnetic | 10 | 0000000 | 00000 |
0.5mm | -0.03mm to 0.03mm | 25mm | 48mm | 10.5mm | 17.8mm | ASH305 | M10 | Chromate Conversion-Coated 1008-1010 Carbon Steel | Not Rated | Magnetic | 10 | 0000000 | 0000 |
1mm | -0.03mm to 0.03mm | 25mm | 48mm | 10.5mm | 17.8mm | ASH310 | M10 | Black-Oxide 1008-1010 Carbon Steel | Not Rated | Magnetic | 10 | 0000000 | 0000 |
2mm | -0.03mm to 0.03mm | 25mm | 48mm | 10.5mm | 17.8mm | ASH320 | M10 | 1008-1010 Carbon Steel | Not Rated | Magnetic | 10 | 0000000 | 0000 |
Multi-Slotted Shim Sets
Each set includes a variety of different thicknesses, so you can use multiple shims together to create a specific thickness or make minor adjustments. All meet standards set by NAAMS (North American Automotive Metric Standards) for assembly components commonly used in production and automation setups.
For technical drawings and 3-D models, click on a part number.
Slot | ||||||||||
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No. of Pieces | Includes | Lg., mm | Wd., mm | Wd., mm | Dp., mm | For Max. Screw Size | Min. Hardness | Magnetic Properties | Each | |
1008-1010 Carbon Steel | ||||||||||
Three Slots | ||||||||||
7 | Two 0.25 mm thick (±0.03 mm) shims—ASH302 Trade Size Three 0.5 mm thick (±0.03 mm) shims—ASH305 Trade Size (Yellow-Chromate Finish) One 1 mm thick (±0.03 mm) shim—ASH310 Trade Size (Black-Oxide Finish) One 2 mm thick (±0.03 mm) shim—ASH320 Trade Size | 25 | 48 | 10.5 | 17.8 | M10 | Rockwell B90 | Magnetic | 000000000 | 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.
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.