Linear Rails | McMaster-Carr

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System of Measurement

Rail Width

Carriage Width

Carriage Profile

Overall Height

Carriage 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

Travel Length

Mounting Hole Thread Size

Load Fastening

Length

Number of Mounting Holes

Carriage Material

Rail Length

Material

Bearing Type

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

Not Rated

Mounting Fastener Thread Size

Static Roll Moment Load Capacity

Less than 500 ft·lbf

500 ft·lbf to 999 ft·lbf

1,000 ft·lbf to 1,999 ft·lbf

2,000 ft·lbf to 2,999 ft·lbf

3,000 ft·lbf or greater

Bearing Material

Thread Size

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

3,411 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 Shafts

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

1,318 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

164 products

Air Slides

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

285 products

Electric Actuators

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

25 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

Track Rollers

Support and carry objects as they move along conveyor systems

22 products

Ball Splines

Pair with ball spline bearings for applications requiring complex, fast movements, such as robotics

26 products

Sleeve Splines

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

9 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

56 products