Linear Guides | McMaster-Carr

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System of Measurement

Rail Width

Length

Shaft Diameter

Carriage Width

Overall Height

Carriage Length

Carriage Profile

Diameter

Material

Travel Length

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

Bearing Type

Carriage Material

Number of Mounting Holes

Bearing Material

Mounting Hole Thread Size

Load Fastening

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

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

Lubrication

Overall Length

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

REACH

4,876 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

155 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

781 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

Shafts

Transmit power, motion, and speed between machine components

1,505 products

Track Rollers

Support and carry objects as they move along conveyor systems

22 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

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

60 products

Ball Screw/Splines

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

3 products

Building and Machinery Hardware

Drawer Slides

Smoothly guide drawers in and out of cabinets

332 products

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

Door Tracks

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

134 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