Linear Rails | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Carriage Profile

Overall Height

Carriage Length

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

Not Rated

Load Fastening

From Bottom

From Top

Mounting Hole Thread Size

Number of Mounting Holes

Length

Carriage Material

Rail Length

Thread Size

Bearing Type

Height

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

Not Rated

Mounting Fastener Thread Size

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

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Exempt

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

Yes

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3,389 Products

Power Transmission

Carriages and Guide Rails

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

474 products

Carriage Guide Rail Mounts

Adapt guide rails to fit on T-slotted assemblies

7 products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

1,318 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

164 products

Telescoping Rails

Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms

40 products

Positioning Slides

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

80 products

Electric Slides

Move parts with precision in electronics, robotics, and other automated processes

86 products

Air Slides

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

311 products

Electric Actuators

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

40 products

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

10 products

Ball Screw/Splines and Bearings

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

3 products

Ball Splines and Bearings

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

51 products

Track Rollers

Support and carry objects as they move along conveyor systems

33 products

Sleeve Splines and Bearings

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

21 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

33 products

Way Wipers

Sweep debris away from machining tables, rails, and ball screws

3 products

Fabricating and Machining

Gibs

Guide linear movement in molds and dies

62 products