Extrusion Guides | McMaster-Carr

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Rail Width

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T-Slotted Framing Rail Profile

Carriage Width

T-Slotted Framing Component

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Number of Mounting Holes

Carriage 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

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

Not Rated

Load Fastening

From Bottom

From Top

Mounting Hole Thread Size

Bearing Material

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

Travel Length

Mounting Fastener Thread Size

Material

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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966 Products

About Moment Loads

T-Slotted Framing Linear
Bearings and Track Rollers

Mount components to these load-rated bearings and track rollers to add linear motion along T-slotted rails.

T-Slotted Framing Slides, Tracks, and Rollers

Slide drawers, panels, and doors with these tracks and rollers.

Sleeve Bearing Carriages and Guide Rails

Low-Profile Sleeve Bearing
Carriages and Guide Rails

For applications with low clearance, these carriages protrude less than 5 mm above their rails.

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

Compensate for rail misalignment in low-clearance applications with these carriages and guide rails.

Sleeve Bearing Carriages for T-Slotted Framing

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

Heavy Duty Sleeve Bearing
Carriages for T-Slotted Framing

Threaded inserts secure the bearing to the carriage and prevent it from loosening due to frequent starts and stops.

Square Sleeve Bearing Carriages and Guide Rails

The square profile prevents loads from twisting and rotating.

Locking Extra-Wide Sleeve
Bearing Carriages and Guide Rails

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

Extra-Wide Sleeve Bearing
Carriages and Guide Rails

With a wide base, these sleeve bearing carriages stabilize moment (twisting) and off-center loads better than standard carriages. Use in areas where multiple carriages or rails won't fit.

Side-Mount Sleeve Bearing
Carriages for T-Slotted Framing

Fasten loads on the side of these carriages and add linear motion to a T-slot assembly.

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

Threaded inserts secure the bearing to the carriage and prevent it from loosening due to frequent starts and stops.

Side-Mount Sleeve Bearing
Carriages and Guide Rails

C-shaped guide rails grip the carriage around the outside to support linear motion along walls and other vertical surfaces.

Sleeve Bearing Carriages
and Guide Rails for Curves

Build loops, circuits, and curved paths in assembly stations and other repetitive processes.

Locking Sleeve Bearing Carriages
and Guide Rails for Curves

A handle locks these carriages in place on curved paths, loops, and circuits in assembly stations and other repetitive processes.

Sleeve Bearing Carriages and Guide Rails

With fewer moving parts and no need for lubrication, sleeve bearing carriages perform better in dusty and wet environments than ball and roller bearing carriages. They're also better at handling impact and vibration.

Locking Sleeve Bearing Carriages and Guide Rails

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

High-Temperature Sleeve Bearing
Carriages and Guide Rails

Use these carriages and guide rails in temperatures up to 300° F.

Self-Aligning Sleeve Bearing
Carriages and Guide Rails

A floating bearing in these self-aligning carriages adjusts to compensate for misalignment between rails, so your carriages still move in tandem.

Self-Aligning Locking Sleeve
Bearing Carriages and Guide Rails

Create a self-aligning system that can be locked in place with these carriages and guide rails.

Ball Bearing Carriages and Guide Rails

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

Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails.

Maintenance-Free Ball Bearing
Carriages and Guide Rails

These carriages and guide rails are steel.

Ball Bearing Carriages and Guide Rails

These carriages and guide rails are steel.

Corrosion-Resistant Ball Bearing
Carriages and Guide Rails

Made of stainless steel, these carriages and guide rails are more corrosion resistant than steel carriages and guide rails.

Anti-Reflective Ultra-Corrosion-Resistant
Ball Bearing Carriages and Guide Rails

A black chrome plating diffuses light, preventing reflecting light from causing equipment to malfunction.

Horizontal-Mount Ball Bearing
Carriages and Guide Rails

Designed specifically for use on horizontal surfaces, the contact angle of the ball bearings on the rail allows these carriages to last longer than other carriages.

Horizontal-Mount Quiet-Ride Ball
Bearing Carriages and Guide Rails

Designed for use on horizontal surfaces, the contact angle of the ball bearings on the rail allows these carriages to last longer than other carriages.

Clean Room Ball Bearing Carriages and Guide Rails

Suitable for clean room use, these carriages and guide rails are made entirely of stainless steel.

High-Cycle Ball Bearing Carriages and Guide Rails

A plastic cage surrounds the ball bearings and keeps them from colliding, so these carriages run for many cycles without needing maintenance.

Guide Rail Mounts for T-Slotted Framing

Adapt most 15 mm guide rails to fit on T-slotted assemblies.

Ball Bearing Carriages and Guide Rails for Curves

For smooth, accurate movement around curves and loops, these carriages have ball bearings that work well in high-speed, high-load applications.

High-Cycle Low-Profile Ball
Bearing Carriages and Guide Rails

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

Side-Mount Ball Bearing Carriages and Guide Rails

Mount to vertical surfaces for applications where tight tolerances aren't required.

High-Cycle Extra-Wide Ball
Bearing Carriages and Guide Rails

With a plastic cage that surrounds the ball bearings to prevent them from colliding, these extra-wide carriages run quietly for many cycles without needing maintenance. All of these carriages have a wide base and low-profile design to stabilize moment (twisting) and off-center loads better than other carriages.

Extra-Wide Ball Bearing Carriages and Guide Rails

With a wide base and low-profile design, these carriages and guide rails stabilize moment (twisting) and off-center loads better than other carriages and rails. They're good for use in areas where multiple carriages or rails won't fit.

Track Roller Carriages and Guide Rails

Side-Mount Track Roller Carriages and Guide Rails

Mount along a wall or other vertical surface.

Light Duty Side-Mount Track
Roller Carriages and Guide Rails

Use these carriages and guide rails for light loads where precise movement is not required.

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

These track roller carriages and guide rails are stainless steel for use in wet, corrosive environments.

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

Create a self-aligning carriage and guide rail system to compensate for mounting surfaces that aren't parallel.

Side-Mount Track Roller
Carriages for T-Slotted Framing

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

High-Load Track Roller Carriages and Guide Rails

Needle-roller bearings give these track roller carriages higher load capacities than other track roller carriages.

Locking High-Load Track Roller
Carriages and Guide Rails

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

Track Roller Carriages and Guide Rails

V-shaped rollers and rails allow these carriages to operate well in dirty environments because the debris won't get trapped on the rail.

Track Roller Carriages and Guide Rails for Curves

Create a low-maintenance system with loops and curved paths in assembly stations and other repetitive processes.

Light Duty Track Roller Carriages and Guide Rails

Nylon rollers provide low-friction movement for light loads and corrosive environments.

High-Temperature Track Roller
Carriages and Guide Rails

High-temperature PTFE-thickened grease enables these carriages to operate in temperatures up to 500° F, higher than any other carriage that we offer.

Roller Bearing Carriages and Guide Rails

Roller bearing carriages handle heavier loads than ball bearing and track roller carriages.

About Moment Loads

T-Slotted Framing and Fittings

T-Slotted Framing LinearBearings and Track Rollers

T-Slotted Framing Slides, Tracks, and Rollers

Sleeve Bearing Carriages and Guide Rails

Low-Profile Sleeve BearingCarriages and Guide Rails

Self-Aligning Low-Profile SleeveBearing Carriages and Guide Rails

Sleeve Bearing Carriages for T-Slotted Framing

Heavy Duty Sleeve BearingCarriages for T-Slotted Framing

Square Sleeve Bearing Carriages and Guide Rails

Locking Extra-Wide SleeveBearing Carriages and Guide Rails

Extra-Wide Sleeve BearingCarriages and Guide Rails

Side-Mount Sleeve BearingCarriages for T-Slotted Framing

Heavy Duty Side-Mount Sleeve BearingCarriages for T-Slotted Framing

Side-Mount Sleeve BearingCarriages and Guide Rails

Sleeve Bearing Carriagesand Guide Rails for Curves

Locking Sleeve Bearing Carriagesand Guide Rails for Curves

Sleeve Bearing Carriages and Guide Rails

Locking Sleeve Bearing Carriages and Guide Rails

High-Temperature Sleeve BearingCarriages and Guide Rails

Self-Aligning Sleeve BearingCarriages and Guide Rails

Self-Aligning Locking SleeveBearing Carriages and Guide Rails

Ball Bearing Carriages and Guide Rails

Corrosion-Resistant Maintenance-FreeBall Bearing Carriages and Guide Rails

Maintenance-Free Ball BearingCarriages and Guide Rails

Ball Bearing Carriages and Guide Rails

Corrosion-Resistant Ball BearingCarriages and Guide Rails

Anti-Reflective Ultra-Corrosion-ResistantBall Bearing Carriages and Guide Rails

Horizontal-Mount Ball BearingCarriages and Guide Rails

Horizontal-Mount Quiet-Ride BallBearing Carriages and Guide Rails

Clean Room Ball Bearing Carriages and Guide Rails

High-Cycle Ball Bearing Carriages and Guide Rails

Guide Rail Mounts for T-Slotted Framing

Ball Bearing Carriages and Guide Rails for Curves

High-Cycle Low-Profile BallBearing Carriages and Guide Rails

Side-Mount Ball Bearing Carriages and Guide Rails

High-Cycle Extra-Wide BallBearing Carriages and Guide Rails

Extra-Wide Ball Bearing Carriages and Guide Rails

Track Roller Carriages and Guide Rails

Side-Mount Track Roller Carriages and Guide Rails

Light Duty Side-Mount TrackRoller Carriages and Guide Rails

Corrosion-Resistant Side-Mount TrackRoller Carriages and Guide Rails

Self-Aligning Side-Mount TrackRoller Carriages and Guide Rails

Side-Mount Track RollerCarriages for T-Slotted Framing

High-Load Track Roller Carriages and Guide Rails

Locking High-Load Track RollerCarriages and Guide Rails

Track Roller Carriages and Guide Rails

Track Roller Carriages and Guide Rails for Curves

Light Duty Track Roller Carriages and Guide Rails

High-Temperature Track RollerCarriages and Guide Rails

Roller Bearing Carriages and Guide Rails

Roller Bearing Carriages and Guide Rails

T-Slotted Framing Linear
Bearings and Track Rollers

Low-Profile Sleeve Bearing
Carriages and Guide Rails

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

Heavy Duty Sleeve Bearing
Carriages for T-Slotted Framing

Locking Extra-Wide Sleeve
Bearing Carriages and Guide Rails

Extra-Wide Sleeve Bearing
Carriages and Guide Rails

Side-Mount Sleeve Bearing
Carriages for T-Slotted Framing

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

Side-Mount Sleeve Bearing
Carriages and Guide Rails

Sleeve Bearing Carriages
and Guide Rails for Curves

Locking Sleeve Bearing Carriages
and Guide Rails for Curves

High-Temperature Sleeve Bearing
Carriages and Guide Rails

Self-Aligning Sleeve Bearing
Carriages and Guide Rails

Self-Aligning Locking Sleeve
Bearing Carriages and Guide Rails

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

Maintenance-Free Ball Bearing
Carriages and Guide Rails

Corrosion-Resistant Ball Bearing
Carriages and Guide Rails

Anti-Reflective Ultra-Corrosion-Resistant
Ball Bearing Carriages and Guide Rails

Horizontal-Mount Ball Bearing
Carriages and Guide Rails

Horizontal-Mount Quiet-Ride Ball
Bearing Carriages and Guide Rails

High-Cycle Low-Profile Ball
Bearing Carriages and Guide Rails

High-Cycle Extra-Wide Ball
Bearing Carriages and Guide Rails

Light Duty Side-Mount Track
Roller Carriages and Guide Rails

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

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

Side-Mount Track Roller
Carriages for T-Slotted Framing

Locking High-Load Track Roller
Carriages and Guide Rails

High-Temperature Track Roller
Carriages and Guide Rails