Linear Bearings | McMaster-Carr

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Linear Bearing Component

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Alignment Style

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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

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1C999

EAR99

DFARS Specialty Metals

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Exempt

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

Yes

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5,612 Products

Power Transmission

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

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

Track Rollers

Support and carry objects as they move along conveyor systems

719 products

Telescoping Rails

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

40 products

Air Slides

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

485 products

Electric Actuators

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

103 products

Electric Slides

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

82 products

Ball Splines and Bearings

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

51 products

Positioning Slides

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

78 products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

205 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

976 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

18 products

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

8 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Ball Screw/Splines and Bearings

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

3 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

838 products

Sleeve Splines and Bearings

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

21 products

Linear Drive Nuts

Create a linear positioning system on a rotary shaft without a lead screw

3 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

163 products