Guide Blocks | McMaster-Carr

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Rail Width

Shaft Diameter

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Bearing Type

Carriage Material

Static Load Capacity

Load Fastening

Mounting Hole Thread Size

Bearing Material

Material

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REACH Compliance

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2,087 Products

Power Transmission

Guide Rail Carriages

Guide Rail Carriages

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

Linear Motion Slides

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

Linear Guide Rail Mounts

Linear Guide Rail Mounts

Adapt guide rails for installation along T-slotted framing

Positioning Slides

Positioning Slides

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

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Chain Alignment Tools

Chain Alignment Tools

Align sprockets and roller chain during installation and adjustment

Chain Guides

Align roller chain to limit friction, reducing noise and prolonging the chain's life

Air Slides

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

Electric Actuators

Electric Actuators

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

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Track Rollers

Support and carry objects as they move along conveyor systems

Material Handling

Robot Positioning Slides

Robot Positioning Slides

Extend the horizontal reach of your Universal Robots arm

Fabricating and Machining

Alignment Locks

Alignment Locks

Precisely align your mold halves

Band Saw Blade Guides

Band Saw Blade Guides

Support band saw blades for accurate straight and contoured cuts

Safety Equipment

Parking Curbs

Designate parking spaces and block drivers from pulling too far into a space

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)