Linear Guide Bearings | McMaster-Carr

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Dynamic Load Capacity

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

Load Fastening

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Carriage Material

Number of Mounting Holes

Mounting Hole Thread Size

Rail Length

Height

Bearing Type

Static Pitch Moment Load Capacity

Less than 250 ft·lbf

250 ft·lbf to 499 ft·lbf

500 ft·lbf to 999 ft·lbf

1,000 ft·lbf to 1,999 ft·lbf

2,000 ft·lbf or greater

Thread Size

Mounting Fastener Thread Size

Bearing Material

Static Load Capacity

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 39,999 lb.

40,000 lb. or greater

Not Rated

RoHS

Compliant

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REACH

Compliant

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Exempt

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910 Products

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About Carriages and Guide Rails

Stabilize your carriages against pitch, roll, and yaw forces by installing them in pairs.

Carriages and Guide Rails

Ball Bearing Carriages and Guide Rails

Carry heavy loads along guide rails at high speeds

63 products

Corrosion-Resistant Ball Bearing Carriages and Guide Rails

Made of stainless steel to resist corrosion

66 products

Corrosion-Resistant Maintenance-Free Ball Bearing Carriages and Guide Rails

Stay continuously greased and won't rust

35 products

Long-Life Low-Profile Ball Bearing Carriages and Guide Rails

Run many cycles in tight spaces before replacing or re-greasing carriages

25 products

Horizontal-Mount Ball Bearing Carriages and Guide Rails

The contact angle of the ball bearings extends carriage life

41 products

Long-Life Ball Bearing Carriages and Guide Rails

A plastic cage surrounds the ball bearings and keeps them from colliding

60 products

Clean Room Ball Bearing Carriages and Guide Rails

Made entirely of stainless steel for clean room use

41 products

Maintenance-Free Ball Bearing Carriages and Guide Rails

Stay continuously greased

44 products

Long-Life Extra-Wide Ball Bearing Carriages and Guide Rails

Run quietly for many cycles and keep twisting and off-center loads stabilized

18 products

Extra-Wide Ball Bearing Carriages and Guide Rails

Stabilize twisting and off-center loads better than other carriages and rails

23 products

Horizontal-Mount Quiet Ball Bearing Carriages and Guide Rails

Minimize noise, reduce heat, and eliminate collisions between ball bearings

26 products

Glare-Preventing Ultra-Corrosion-Resistant Ball Bearing Carriages and Guide Rails

Diffuse light to prevent reflected light from causing equipment to malfunction

18 products

Side-Mount Ball Bearing Carriages and Guide Rails

Mount to vertical surfaces where tight tolerances aren't required

10 products

Miniature Ball Bearing Carriages and Guide Rails

Sized for electronic and other precision applications

17 products

Glare-Preventing Miniature Ball Bearing Carriages and Guide Rails

Fit in a camera zoom lens and diffuse light

10 products

Ball Bearing Carriages and Guide Rails for Curves

Glide around curves and loops smoothly and accurately

8 products

Roller Bearing Carriages and Guide Rails

Handle heavier loads than ball bearing and track roller carriages

24 products

Low-Friction Telescoping Slides

Keep friction low in short-travel, high-speed applications

40 products

High-Load Low-Friction Telescoping Slides

Over twice the load capacity of standard low-friction slides

19 products

Sleeve Bearing Carriages and Guide Rails

Perform better in dusty and wet environments than ball and roller bearing carriages

22 products

Square Sleeve Bearing Carriages and Guide Rails

The square profile prevents loads from twisting and rotating

11 products

Self-Aligning Sleeve Bearing Carriages and Guide Rails

A floating bearing adjusts to compensate for misalignment between rails

16 products

Low-Profile Sleeve Bearing Carriages and Guide Rails

These carriages protrude less than 5 mm above their rails

8 products

Sleeve Bearing Carriages for T-Slotted Framing

Mate with a T-slotted rail to add linear motion to your assembly

26 products

High-Temperature Sleeve Bearing Carriages and Guide Rails

Handle temperatures up to 300° F

10 products

Self-Aligning Locking Sleeve Bearing Carriages and Guide Rails

Create a self-aligning system that can be locked in place

12 products

Extra-Wide Sleeve Bearing Carriages and Guide Rails

Stabilize twisting and off-center loads better than standard carriages and rails

60 products

Locking Extra-Wide Sleeve Bearing Carriages and Guide Rails

Lock the carriage in place and stabilize twisting and off-center loads

26 products

Self-Aligning Low-Profile Sleeve Bearing Carriages and Guide Rails

Compensate for rail misalignment in low-clearance applications

20 products

Heavy Duty Sleeve Bearing Carriages for T-Slotted Framing

Threaded inserts secure the bearing and prevent it from loosening

10 products

Locking Sleeve Bearing Carriages and Guide Rails

A handle on the side of the carriage locks it in place

8 products

Side-Mount Sleeve Bearing Carriages for T-Slotted Framing

Fasten loads on the side and add linear motion to a T-slot assembly

12 products

Heavy Duty Side-Mount Sleeve Bearing Carriages for T-Slotted Framing

Threaded inserts secure the bearing and prevent it from loosening

6 products

Locking Sleeve Bearing Carriages and Guide Rails for Curves

A handle locks these carriages in place on curved paths, loops, and circuits

9 products

Side-Mount Sleeve Bearing Carriages and Guide Rails

C-shaped rails grip the carriage to support motion along vertical surfaces

4 products

Sleeve Bearing Carriages and Guide Rails for Curves

Build loops, circuits, and curved paths in repetitive processes

9 products

Track Roller Carriages and Guide Rails

Side-Mount Track Roller Carriages and Guide Rails

Mount along a wall or other vertical surface

20 products

Self-Aligning Side-Mount Track Roller Carriages and Guide Rails

Compensate for mounting surfaces that aren't parallel

15 products

Locking High-Load Track Roller Carriages and Guide Rails

A handle on the side of the carriage locks it in place

18 products

Track Roller Carriages and Guide Rails

Good for dirty environments because V-shaped rollers and rails won't trap debris

11 products

High-Load Track Roller Carriages and Guide Rails

Needle-roller bearings handle higher loads than other track roller carriages

8 products

Side-Mount Track Roller Carriages for T-Slotted Framing

Combine with a T-slotted rail to add linear motion to your assembly

14 products

Corrosion-Resistant Side-Mount Track Roller Carriages and Guide Rails

Made of stainless steel for wet, corrosive environments

4 products

High-Temperature Track Roller Carriages and Guide Rails

Operate in temperatures up to 500° F, higher than any other carriage that we offer

3 products

Light Duty Side-Mount Track Roller Carriages and Guide Rails

Use for light loads where precise movement is not required

2 products

Light Duty Track Roller Carriages and Guide Rails

Nylon rollers create low friction for light loads and corrosive environments

3 products

Track Roller Carriages and Guide Rails for Curves

Create a low-maintenance system with loops and curved paths

4 products

Other Products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products