Ball Bearings | McMaster-Carr

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Shaft Diameter

OD

System of Measurement

Bearing Seal Type

Width

Ball Bearing Profile

With Retaining Ring

ID

Bearing Trade Number

Bearing Type

For Housing ID

0.3124" to 0.3130"

0.3749" to 0.3755"

0.3750" to 0.3755"

0.4999" to 0.5005"

0.5000" to 0.5005"

0.5000" to 0.5007"

0.5000" to 0.5010"

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Cage Material

Stainless Steel

Shaft Mount Type

Concentric Lock

Bearing Construction

Inner Ring Type

Ball Material

Stainless Steel

Ring Material

Stainless Steel

Shaft Type

Round with Support Rail

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Lubrication

Lubricant

Tena-Film #2500-2-ST

ABEC Rating

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

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4,677 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Mounted Bearings

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

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

Track Rollers

Support and carry objects as they move along conveyor systems

Idler Rollers

Guide boxes and parts as they pass through conveyor systems

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

Positioning Slides

Positioning Slides

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

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Ball Screw/Splines

Ball Screw/Splines

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

Rod Ends

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

Air Slides

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

Lead Screws and Nuts

Lead Screws and Nuts

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

Material Handling

Conveyor Roller Bearings

Conveyor Roller Bearings

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

Skate Wheels

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

Wheel Bearings

Reduce friction between the axle and the wheel for smooth movement

Building and Machinery Hardware

Turntables

Rotate to reposition machinery and equipment

Overhead Door Rollers

Overhead Door Rollers

Replace the rollers on garage doors and other overhead doors

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Fabricating and Machining

Router Guides

Make precise circular or intricate cuts with routers

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