Linear Motion Bearings | McMaster-Carr

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Bearing Type

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ID

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Round with Support Rail

OD

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Linear Bearing Component

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Shaft Material

Stainless Steel

Bearing Material

Stainless Steel

Overall Height

Rail Width

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Less than 100 mm

100 mm to 199 mm

200 mm to 249 mm

250 mm to 499 mm

500 mm or greater

Lubrication

Alignment Style

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Less than 1,000 lb.

1,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

Roller Width

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Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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3,048 Products

Linear Bearings

Flange-Mounted Linear Ball Bearings

Flange-Mounted Linear Ball Bearings

Good for vertical linear motion applications

Linear Ball Bearings

Linear Ball Bearings

Operate with less friction than sleeve bearings to run at higher speeds

Mounted Linear Ball Bearings

Mounted Linear Ball Bearings

Operate with less friction than sleeve bearings to run at higher speeds

Corrosion-Resistant Flange-Mounted Linear Ball Bearings

Corrosion-Resistant Flange-Mounted Linear Ball Bearings

Made of stainless steel to withstand corrosion

Linear Sleeve Bearings

Linear Sleeve Bearings

Outperform ball bearings in dirty environments without needing lubrication

Mounted Linear Sleeve Bearings for Support Rail Shafts

Mounted Linear Sleeve Bearings for Support Rail Shafts

Slippery, chemical-resistant liners don't require added lubrication

Mounted Linear Sleeve Bearings

Mounted Linear Sleeve Bearings

Slippery, chemical-resistant liners don't require added lubrication

Rotary and Linear Ball Bearings

Rotary and Linear Ball Bearings

Engineered for simultaneous linear and rotary motion

Dust-Resistant Linear Sleeve Bearings

Dust-Resistant Linear Sleeve Bearings

Ridges on the inside wipe away dust and debris

High-Load Mounted Linear Ball Bearings

High-Load Mounted Linear Ball Bearings

Highest load capacities of all mounted linear ball bearings

Corrosion-Resistant Mounted Linear Ball Bearings

Corrosion-Resistant Mounted Linear Ball Bearings

Stainless steel balls resist corrosion outdoors and in mild chemical environments

High-Speed Ultra-Thin Linear Sleeve Bearings

High-Speed Ultra-Thin Linear Sleeve Bearings

Withstand the heat of high speeds and fit where clearance is a concern

High-Temperature Linear Ball Bearings

High-Temperature Linear Ball Bearings

Use for low-friction motion in temperatures up to 600° F

Chemical-Resistant Flange-Mounted Linear Sleeve Bearings

Chemical-Resistant Flange-Mounted Linear Sleeve Bearings

The Frelon liner withstands a wide range of chemicals

Linear Sleeve Bearing Blocks for Washdown Environments

Linear Sleeve Bearing Blocks for Washdown Environments

No cracks or crevices, so they're easy to clean

High-Load Mounted Linear Sleeve Bearings

High-Load Mounted Linear Sleeve Bearings

Two bearings mounted in one housing handle heavy loads

Linear Sleeve Bearings for Support Rail Shafts

Linear Sleeve Bearings for Support Rail Shafts

Sleeve bearings outperform ball bearings in dirty environments

High-Load High-Speed Mounted Linear Sleeve Bearings

High-Load High-Speed Mounted Linear Sleeve Bearings

Two bearings and a ceramic liner for heavy loads at high speeds

High-Load Linear Ball Bearings

High-Load Linear Ball Bearings

Highest load capacities of all linear ball bearings

High-Speed Flange-Mounted Linear Sleeve Bearings

High-Speed Flange-Mounted Linear Sleeve Bearings

A ceramic liner withstands high speeds and rapid speed changes

Mounted Linear Ball Bearings for Support Rail Shafts

Mounted Linear Ball Bearings for Support Rail Shafts

Operate with less friction than sleeve bearings to run at higher speeds

High-Speed Linear Sleeve Bearings

High-Speed Linear Sleeve Bearings

A ceramic liner withstands high speeds and rapid speed changes

High-Load High-Speed Mounted Linear Sleeve Bearings for Support Rail Shafts

High-Load High-Speed Mounted Linear Sleeve Bearings for Support Rail Shafts

Two bearings and a ceramic liner for heavy loads at high speeds

High-Speed Mounted Linear Sleeve Bearings for Support Rail Shafts

High-Speed Mounted Linear Sleeve Bearings for Support Rail Shafts

A ceramic liner withstands high speeds and rapid speed changes

Ultra-Thin Linear Sleeve Bearings

Ultra-Thin Linear Sleeve Bearings

Thinner than other linear sleeve bearings to fit where clearance is a concern

Linear Ball Bearings for Support Rail Shafts

Linear Ball Bearings for Support Rail Shafts

Operate with less friction than sleeve bearings to run at higher speeds

High-Load Linear Ball Bearings for Support Rail Shafts

High-Load Linear Ball Bearings for Support Rail Shafts

Highest load capacities of all linear bearings for support rail shafts

High-Load Mounted Linear Ball Bearings for Support Rail Shafts

High-Load Mounted Linear Ball Bearings for Support Rail Shafts

Highest load capacities of all mounted linear bearings for support rail shafts

Food and Beverage Linear Sleeve Bearings

Food and Beverage Linear Sleeve Bearings

Made of FDA-listed materials for use in food applications

Corrosion-Resistant Mounted Linear Ball Bearings for Support Rail Shafts

Corrosion-Resistant Mounted Linear Ball Bearings for Support Rail Shafts

Stainless steel balls resist corrosion outdoors and in mild chemical environments

High-Temperature Linear Ball Bearings for Support Rail Shafts

High-Temperature Linear Ball Bearings for Support Rail Shafts

Use for low-friction motion in temperatures up to 500° F

Frictionless-Motion Mounted Linear Air Bearings

Frictionless-Motion Mounted Linear Air Bearings

Bearings are suspended in air for precise, frictionless movement

Adjustable Mounted Linear Ball Bearings

Adjustable Mounted Linear Ball Bearings

A screw in the housing adjusts how snug the bearing is on the shaft

Food and Beverage Linear Sleeve Bearings for Support Rail Shafts

Food and Beverage Linear Sleeve Bearings for Support Rail Shafts

Made of FDA-listed materials for use in food applications

High-Load Mounted Linear Sleeve Bearings for Support Rail Shafts

High-Load Mounted Linear Sleeve Bearings for Support Rail Shafts

Two bearings mounted in one housing handle heavy loads

High-Speed Linear Sleeve Bearings for Support Rail Shafts

High-Speed Linear Sleeve Bearings for Support Rail Shafts

A ceramic liner withstands high speeds and rapid speed changes

High-Speed Mounted Linear Sleeve Bearings

High-Speed Mounted Linear Sleeve Bearings

A ceramic liner withstands high speeds and rapid speed changes

Electrically Insulating Linear Sleeve Bearings

Electrically Insulating Linear Sleeve Bearings

Made of fiberglass, so they won't conduct electricity

Other Products

Guide Rail Carriages

Guide Rail Carriages

Carry loads along guide rails on accurate and repeatable paths in automated systems

Linear Bearing Housings

Linear Bearing Housings

Hold linear ball or sleeve bearings by sliding them in and securing with retaining rings

Track Rollers

Support and carry objects as they move along conveyor systems

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Positioning Slides

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Electric Actuators

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

Air Slides

Convey grippers, printing heads, and other loads back and forth on a carriage

Ball Splines and Bearings

Ball Splines and Bearings

Combine ball splines and bearings to create linear and rotary motion systems

Sleeve Splines

Pair with sleeve spline bearings to transmit rotary power or move loads along the shaft

Linear Guide Rail Mounts

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)