Frictionless Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

ID

Width

Bearing Seal Type

Bearing Type

Ball Bearing Profile

With Retaining Ring

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

For Housing ID

0.3124" to 0.3130"

0.3749" to 0.3755"

0.3750" to 0.3755"

0.3755" to 0.3764"

0.3760" to 0.3770"

0.4999" to 0.5005"

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Bearing Trade Number

Shaft Type

Round with Support Rail

Ball Material

Stainless Steel

Cage Material

Stainless Steel

Shaft Mount Type

Concentric Lock

Ring Material

Stainless Steel

Lubrication

Inner Ring Type

Overall Length

Bearing Construction

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 499° F

500° F or greater

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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4,944 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Mounted Bearings

Mounted Bearings

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

Roller Bearings

Roller Bearings

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

Pivot Bearings

Best for applications that require small, precise oscillating motion with limited twisting

Thrust Bearings

Thrust Bearings

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

Linear Bearing Housings

Linear Bearing Housings

Hold linear ball or sleeve bearings by sliding them in and securing with retaining rings

Bearing Washers

Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground surfaces

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Material Handling

Wheel Bearings

Reduce friction between the axle and the wheel for smooth movement

Conveyor Roller Bearings

Conveyor Roller Bearings

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

Building and Machinery Hardware

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.)