System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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Length Length | Show |
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Length Length | Hide |
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Housing Type Housing Type |
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 | Flange Mount |
OD OD |
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Bearing Material Bearing Material |
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For Shaft Material For Shaft Material |
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For Shaft Type For Shaft Type |
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| Round | Round with Support Rail |
Linear Bearing Component Linear Bearing Component |
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| Bearing | Bearing in Housing |
Housing Material Housing Material |
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Bearing Type Bearing Type |
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 | Ball |
ID ID |
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For Minimum Stainless Steel Shaft Hardness For Minimum StainlessSteel Shaft Hardness |
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Flange OD Flange OD |
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Ball Material Ball Material |
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Thread Size Thread Size |
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Minimum Temperature Minimum Temperature |
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Maximum Temperature Maximum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Diameter Diameter |
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For Minimum Steel Shaft Hardness For Minimum SteelShaft Hardness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Linear Bearings
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Selecting Compatible Lead Screws and Nuts
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High-Temperature Linear Ball Bearings
The choice for low-friction motion in high-temperature environments. Bearings are for use with round end-supported shafts and have a fixed-alignment design for applications where shaft misalignment is unlikely. To install, slide bearings into a housing (not included). For bearings with retaining ring grooves, secure with two retaining rings (sold individually).
For technical drawings and 3-D models, click on a part number.
Bearings | |||||||||||||
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Load Capacity, lbs. | External Retaining Rings | ||||||||||||
| For Shaft Diameter, mm | Overall Lg., mm | For Housing ID, mm | Retaining Ring Groove End-to-End Length, mm | With End Seals | Dynamic | Static | Dynamic Load Capacity at Maximum Temperature | Temperature Range, ° F | For Shaft Material | Each | Each | ||
Steel Bearings with Steel Balls | |||||||||||||
| 30 | 64 | 45.000 - 45.025 | 44.5 | No | 350 | 615 | 350 lbs. @ 230° F | -4° to 230° | Stainless Steel, Steel | 00000000 | 000000 | 0000000 | 00000 |
High-Temperature Linear Ball Bearings for Support Rail Shafts
The choice for low-friction motion in high-temperature environments. Mount these bearings on a support rail shaft for applications requiring maximum rigidity. They have a fixed-alignment design for applications where shaft misalignment is unlikely. To install, slide bearings into a housing (not included) and secure in place with two retaining rings (sold separately).
For technical drawings and 3-D models, click on a part number.
Bearings | |||||||||||||
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Load Capacity, lbs. | External Retaining Rings | ||||||||||||
| For Shaft Dia., mm | Overall Lg., mm | Wd., mm | For Housing ID, mm | Retaining Ring Groove End-to-End Lg., mm | Dynamic | Static | Temperature Range, ° F | For Shaft Material | Each | Pkg. Qty. | Pkg. | ||
Steel Bearings | |||||||||||||
| 30 | 64 | 15 | 45.000 - 45.025 | 44.5 | 350 | 615 | -4° to 230° | Stainless Steel, Steel | 00000000 | 000000 | 1 | 0000000 | 00000 |
Corrosion-Resistant Flange-Mounted Linear Ball Bearings
The bearing, housing, and balls of these mounted bearings are stainless steel for excellent corrosion resistance. The flanged housing is good for vertical linear motion applications. All bearings are for use with round end-supported shafts and have a fixed-alignment design for use where shaft misalignment is unlikely. End seals keep lubricant in and dirt out.
For technical drawings and 3-D models, click on a part number.
Overall | Load Capacity, lbs. | Mounting Holes | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia., mm | Lg., mm | Wd., mm | Ht., mm | Flange Thick., mm | Flange OD, mm | Bolt Circle Dia., mm | OD, mm | Dynamic | Static | Temperature Range, ° F | For Shaft Material | No. of | Dia., mm | Each | |
440C Stainless Steel Bearings with Round Flanged Housing | |||||||||||||||
| 30 | 64 | 74 | 74 | 10 | 74 | 60 | 45 | 350 | 610 | -4° to 248° | Stainless Steel, Steel | 4 | 6.6 | 0000000 | 0000000 |
Metric 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, these 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 size and travel distance per turn. 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.
| Thread Size | Lg., mm | Dia., mm | Wd., mm, mm | Ht., mm | Thick., mm | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash, mm | Temperature Range, °F | Each | |
Alloy Steel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M20 | 64 | 52 | 82 | 64 | 12 | 1 | 10 | Rockwell C58 | 2,350 | 0.1 | 5° to 175° | 0000000 | 0000000 |