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Linear Bearings – Which Type is Right for Your Application?

 

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Compare linear bearing types and ask for a “Squadron Patch” or Poster.

 

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Yes

Requires Lubrication

Yes

Yes

High Loads

No

Yes

Rapid Oscillation

No

Yes

High Acel/Decel

No

Yes

Shock/Vibration

No

Yes

Contamination

No

Yes

Special Configurations

No

Yes

FDA Compliant

No

Yes

Chemically Inert

No

No

Catastrophic Failure Mode

Yes

No

Groove Shafting ( Brinelling)

Yes

Yes

Vacuum Rated

No

Yes (400F)

High Temp

No (180F)

Yes

Linear + Rotary

No

Yes (100 million linear feet)

Life Tested

Yes (2 million linear inches)

                .04 – .08                           Coefficient of Friction                      .010 – .001

                  Poor                            Self-Alignment/Compliant                 Very Good

At first glance, Black Racer linear bearings wipe the floor with linear ball bearings. However, linear ball bearings provide the lowest coefficient of friction for mechanical bearings – only surpassed by air bearings. Linear ball bearings are more compliant than sleeve bearings, thus they are more forgiving in applications where shaft parallelism is not exact. Linear ball bearings offer more self-alignment capability than sleeve bearings. Although Black Racer bearings are direct drop-in re­placements for inch linear ball bearings, you should call LM76 to ensure your application is a good candidate. For more information call Mike Quinn: 1-800-513-3163 or email: mquinn@LM76.com

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