Linear Guides | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Length

Shaft Diameter

Overall Height

Carriage Profile

Carriage Length

Diameter

Bearing Type

Material

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

Carriage Material

Travel Length

Number of Mounting Holes

Load Fastening

From Bottom

From Top

Mounting Hole 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

Rail Length

Housing Type

Lubrication

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

4,907 Products

Power Transmission

Guide Rail Carriages

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

389 products

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

119 products

Positioning Slides

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

160 products

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

7 products

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

6 products

Linear Bearings

Minimize friction as parts move along a shaft

816 products

Linear Bearing Housings

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

22 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

1,351 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

164 products

Ball Splines and Bearings

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

51 products

Air Slides

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

449 products

Electric Actuators

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

25 products

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

3 products

Track Rollers

Support and carry objects as they move along conveyor systems

22 products

Sleeve Splines

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

9 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

330 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

1 product

Drawer Slides

Smoothly guide drawers in and out of cabinets

332 products

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

141 products

Door Guides

Keep hanging doors aligned by stopping the bottom from swinging

9 products

Fabricating and Machining

Gibs

Hold components in place and create a surface for them to slide along in molds and dies

56 products