System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter |
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For Shaft Type For Shaft Type |
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![]() | Round with Support Rail |
Linear Bearing Component Linear Bearing Component |
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![]() | ![]() |
Bearing | Bearing in Housing |
Material Material |
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Nut Type Nut Type |
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![]() | Locknut |
For Shaft Material For Shaft Material |
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Dynamic Load Capacity Dynamic Load Capacity |
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Bearing Type Bearing Type |
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![]() | Ball |
Width Width | Show |
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Width Width | Hide |
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Housing Type Housing Type |
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![]() | Base Mount |
Alignment Style Alignment Style |
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Thread Spacing Thread Spacing |
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Overall Height Overall Height |
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For Spanner Wrench Style For Spanner Wrench Style |
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![]() | Hook |
Thread Type Thread Type |
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Housing Material Housing Material |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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About Linear Bearings
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About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
More
High-Load Linear Ball Bearings for Support Rail Shafts

Designed for heavy loads, these bearings have higher load capacities than comparable standard linear ball bearings for support rails. Use them for applications that require maximum rigidity. All are self-aligning to compensate for shaft misalignment. To install, slide bearings into a housing (not included). For bearings with retaining ring grooves, secure with two retaining rings (sold individually).
Bearings with end seals keep lubricants in and dirt out.
Bearings with stainless steel balls are more corrosion resistant than bearings with steel balls.
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. | Overall Lg. | Wd. | For Housing ID | With Retaining Ring Grooves | Retaining Ring Groove End-to-End Lg. | With End Seals | Dynamic | Static | Max. Temperature, ° F | For Shaft Material | Each | Each | ||
Acetal Plastic Bearings with Stainless Steel Balls | ||||||||||||||
3/4" | 1 5/8" | 13/32" | 1.2500" - 1.2505" | Yes | 1.285" | Yes | 790 | Not Rated | 176° | Stainless Steel, Steel | 0000000 | 0000000 | 0000000 | 00000 |
Acetal Plastic Bearings with Steel Balls | ||||||||||||||
3/4" | 1 5/8" | 13/32" | 1.2500" - 1.2505" | Yes | 1.285" | Yes | 1,100 | Not Rated | 176° | Stainless Steel, Steel | 0000000 | 00000 | 0000000 | 0000 |
High-Load Mounted Linear Ball Bearings for Support Rail Shafts

Designed to handle heavy loads, these bearings have higher load capacities than comparable standard mounted linear ball bearings for support rails. Use them for applications that require maximum rigidity. All are self-aligning to compensate for shaft misalignment and have end seals to keep lubricant in and dirt out.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Holes | |||||||||||
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For Shaft Dia. | Lg. | Wd. | Ht. | Center Ht. | Wd. | Dynamic Load Capacity, lbs. | Max. Temperature, °F | For Shaft Material | No. of | Dia. | Each | |
Acetal Bearings with Steel Balls in 6061 Aluminum Housing | ||||||||||||
3/4" | 1 7/8" | 2 3/4" | 1 9/16" | 15/16" | 13/32" | 1,100 | 185° | Steel, Stainless Steel | 4 | 3/16" | 0000000 | 0000000 |
3/4" | 4 1/2" | 2 3/4" | 1 9/16" | 15/16" | 13/32" | 2,200 | 185° | Steel, Stainless Steel | 4 | 3/16" | 0000000 | 000000 |
Bearing Retaining Locknuts



With a nylon insert that grips your threaded shaft or spindle without damaging its threads, these locknuts—also called shaft nuts—hold bearings, bushings, gears, and pulleys prone to vibration tightly in place. They come as one piece, so you can easily clamp them onto your shaft or spindle. But, since they aren’t made entirely of metal, they don’t stand up to heat as well as all-metal locknuts. Slots in their sides mean you can tighten and loosen them with a spanner wrench or spanner socket. Their face is also chamfered to help keep the size and weight of your assembly at a minimum. All meet international standards for bearing locknut dimensions.
When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.
All carbon steel locknuts are strong and resist wear, though they don’t stand up to corrosion as well as stainless steel locknuts. 303 stainless steel locknuts resist corrosion better than steel locknuts but aren’t as strong. They withstand washdowns and chemicals.
For technical drawings and 3-D models, click on a part number.
Locknuts | |||||||||
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Thread | Spanner Sockets | ||||||||
Size | Spacing | OD | Wd. | Insert Max. Temp., °F | Specifications Met | Each | Each | ||
Carbon Steel | |||||||||
Chamfered Face | |||||||||
0.664"-32 | Extra Fine | 1 1/8" | 13/32" | 160° | ANSI/ABMA 8.2 | 0000000 | 00000 | 00000000 | 0000000 |
0.781"-32 | Extra Fine | 1 3/8" | 13/32" | 160° | ANSI/ABMA 8.2 | 0000000 | 00000 | 00000000 | 000000 |
303 Stainless Steel | |||||||||
Chamfered Face | |||||||||
0.664"-32 | Extra Fine | 1 1/8" | 13/32" | 160° | ANSI/ABMA 8.2 | 0000000 | 00000 | 00000000 | 000000 |
0.781"-32 | Extra Fine | 1 3/8" | 13/32" | 160° | ANSI/ABMA 8.2 | 0000000 | 00000 | 00000000 | 000000 |