Plastic Bearings | McMaster-Carr

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5,498 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Plain Bearings

With no moving parts, the simplest type of bearing

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Turntable Bearings

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Guide Rail Carriages

Guide Rail Carriages

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

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

Idler Rollers

Guide boxes and parts as they pass through conveyor systems

Drive Rollers

Transmit power from motors to systems like conveyors; also known as contact wheels and feed rollers

Track Rollers

Support and carry objects as they move along conveyor systems

Idler/Drive Rollers

Idler/Drive Rollers

Spin freely in one direction on conveyor systems and lock to transmit power in the other direction

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Lead Screws and Nuts

Lead Screws and Nuts

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

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

Material Handling

Conveyor Roller Bearings

Conveyor Roller Bearings

Replace bearings on conveyor rollers, or press into tubing or pipe to create a roller

Ball Transfers

Install in arrays to create platforms for conveying, rotating, and positioning heavy objects

Conveyor Belt Take-up Bearings

Conveyor Belt Take-up Bearings

Use with take-up frames to adjust tension on conveyor belts

Skate Wheels

Replace wheels on skate wheel conveyors or add wheels for a custom setup

Screw Conveyors

Screw Conveyors

Push material through fixed troughs

Wheel Bearings

Reduce friction between the axle and the wheel for smooth movement

Building and Machinery Hardware

Turntables

Rotate to reposition machinery and equipment

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Overhead Door Rollers

Overhead Door Rollers

Replace the rollers on garage doors and other overhead doors

Raw Materials

Plastic

A lightweight alternative to metal and glass

Fastening and Joining

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

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