System of Measurement System of Measurement |
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Thread Pitch Thread Pitch |
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Thread Type Thread Type |
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Nut Type Nut Type |
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![]() | Locknut |
Material Material |
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Width Width | Show |
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Width Width | Hide |
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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 |
Thread Spacing Thread Spacing |
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For Spanner Wrench Style For Spanner Wrench Style |
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![]() | Hook |
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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Face Style Face Style |
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Linear Bearing Component Linear Bearing Component |
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![]() | Bearing in Housing |
Bearing Type Bearing Type |
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![]() | Plain |
Static Load Capacity Static Load Capacity |
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Housing Material Housing Material |
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Lubrication Lubrication |
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About Linear Bearings
More
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
Mounted Linear Sleeve Bearings for Support Rail Shafts

Virtually maintenance free, these bearings have slippery, chemical-resistant liners that don't require added lubrication. Mount them on a support rail shaft for applications requiring maximum rigidity.
Self Aligning—Bearings compensate for shaft misalignment.
Fixed Alignment—Bearings are for use where shaft misalignment is unlikely.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Holes | |||||||||||||
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For Shaft Dia. | Shaft Clearance | Lg. | Wd. | Ht. | Center Ht. | Wd. | Dynamic Load Capacity | Static Load Capacity, lbs. | Temperature Range, ° F | For Shaft Material | No. of | Dia. | Each | |
Self Aligning | ||||||||||||||
PTFE-Lined 6061 Aluminum Bearings with 6063 Aluminum Housing | ||||||||||||||
12mm | -0.038mm to -0.013mm | 39mm | 40mm | 27.6mm | 17mm | 8.5mm | 150 lbs. @ 100 fpm | 2,200 | -400° to 375° | Aluminum, Stainless Steel, Steel | 4 | 5mm | 00000000 | 000000 |
Fixed Alignment | ||||||||||||||
PTFE-Lined 6061 Aluminum Bearings with 6063 Aluminum Housing | ||||||||||||||
12mm | -0.038mm to -0.013mm | 39mm | 40mm | 27.6mm | 17mm | 8.5mm | 150 lbs. @ 100 fpm | 2,200 | -400° to 375° | Aluminum, Stainless Steel, Steel | 4 | 5mm | 00000000 | 00000 |
High-Load Mounted Linear Sleeve Bearings for Support Rail Shafts

With two bearings mounted in one housing, these sleeve bearings are designed to withstand heavy loads. Use them on round support rail shafts for applications that require maximum rigidity. All of these bearings have a ceramic-coated aluminum housing that’s lightweight and stands up to corrosion. They also have a slippery, chemical-resistant PTFE liner, so there’s no need for lubrication. These fixed-alignment bearings are for use where shaft misalignment is unlikely.
For technical drawings and 3-D models, click on a part number.
Overall | Mounting Holes | |||||||||||||
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For Shaft Dia., mm | Shaft Clearance, mm | Lg., mm | Wd., mm | Ht., mm | Center Ht., mm | Wd., mm | Dynamic Load Capacity | Static Load Capacity, lbs. | Temp. Range, °F | For Shaft Material | No. of | Dia., mm | Each | |
Fixed Alignment | ||||||||||||||
PTFE-Lined 6061 Aluminum Bearings with Ceramic-Coated 6063 Aluminum Housing | ||||||||||||||
12 | 0.0127 to 0.0381 | 77 | 40 | 27.5 | 17 | 8.5 | 300 lbs. @ 100 fpm | 4,450 | -400° to 385° | Ceramic-Coated Aluminum, Stainless Steel, Steel | 4 | 5 | 0000000 | 000000 |
High-Load High-Speed Mounted Linear Sleeve Bearings for Support Rail Shafts

With two bearings mounted in a single housing, these bearings have higher load capacities than standard ones. A ceramic liner helps them achieve high speeds as well as rapid acceleration and deceleration. Mount these bearings on a support rail shaft for applications requiring maximum rigidity. Made of ceramic-coated aluminum, their housing is lightweight and corrosion resistant. These bearings are for fixed alignment, ideal for well-aligned shafts. Note: Not for use with ceramic-coated aluminum or 300 series stainless steel shafts.
For technical drawings and 3-D models, click on a part number.
Overall, mm | Mounting Holes | |||||||||||||
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For Shaft Diameter, mm | Length | Width | Height | Center Height, mm | Width, mm | Dynamic Load Capacity | Static Load Capacity, lbs. | Shaft Clearance, mm | Temperature Range, °F | For Shaft Material | Number of | Diameter, mm | Each | |
Fixed Alignment | ||||||||||||||
Ceramic-Lined 6061 Aluminum Bearings with Ceramic-Coated 6063 Aluminum Housing | ||||||||||||||
12 | 77 | 40 | 27.5 | 17 | 8.5 | 300 lbs. @ 100 fpm | 4,450 | 0.0127 to 0.0381 | -400° to 400° | Stainless Steel, Steel | 4 | 5 | 0000000 | 000000 |
Bearing Retaining Locknuts




With a nylon insert that grips your threaded shaft or spindle without damaging the threads, these locknuts—sometimes called shaft nuts—keep bearings, bushings, gears, and pulleys in place. They won’t shake loose from vibration. However, their nylon insert also means you shouldn’t use these locknuts in applications with high temperatures. Their sides are slotted, so you can tighten and loosen them with a spanner wrench or spanner socket. To reduce the total size and weight of your assembly, they have chamfered edges.
All meet international standards for bearing locknut dimensions.
Carbon steel locknuts are strong and wear resistant. Zinc-plated steel locknuts have an outer layer of zinc that prevents the steel from rusting in wet areas. Compared to stainless steel, they're stronger, more wear resistant, and less costly, but not as corrosion resistant. Avoid exposing them to salt water and chemicals. 303 stainless steel locknuts are nearly as strong as carbon steel but won’t rust in outdoor, washdown, and other corrosive environments.
When choosing your thread spacing, consider the precision of your application. The finer the threads, the more control you have when making adjustments.
For technical drawings and 3-D models, click on a part number.
Locknuts | ||||||||||
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Thread | Spanner Sockets | |||||||||
Size | Pitch, mm | Spacing | OD | Wd., mm | Insert Max. Temp., °F | Specifications Met | Each | Each | ||
Carbon Steel | ||||||||||
Chamfered Face | ||||||||||
M15 | 1 | Extra Fine | 25mm | 8.5 | 160° | ISO 2982-2 | 0000000 | 00000 | 00000000 | 0000000 |
Zinc-Plated Carbon Steel | ||||||||||
Chamfered Face | ||||||||||
M14 | 1 | Extra Fine | 24mm | 8.5 | 210° | DIN 1805 | 0000000 | 00000 | 000000 | 00 |
M15 | 1 | Extra Fine | 24mm | 8.5 | 210° | DIN 1805 | 0000000 | 00000 | 000000 | 00 |
M16 | 1 | Extra Fine | 28mm | 8.5 | 210° | DIN 1805 | 0000000 | 00000 | 000000 | 00 |
M17 | 1 | Extra Fine | 28mm | 8.5 | 210° | DIN 1805 | 0000000 | 00000 | 000000 | 00 |
M18 | 1 | Extra Fine | 28mm | 8.5 | 210° | DIN 1805 | 0000000 | 00000 | 000000 | 00 |
303 Stainless Steel | ||||||||||
Chamfered Face | ||||||||||
M15 | 1 | Extra Fine | 25mm | 8.5 | 160° | ISO 2982-2 | 0000000 | 00000 | 00000000 | 000000 |