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Bearing_Intro - radial impact(radial loads • Low cost •...

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Bearing Overview Ch. 11 and 12
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Overview Design of bearings requires advanced studies in materials, contact stress analysis, lubrications, thermal sciences We will focus on selection of bearings, not their design
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Two Basic Types Journal (Sliding) Bearings Rolling Element Bearings
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Advantages/Disadvantages Journal Bearings Higher starting friction Oil flow required Suited to high speed/high
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Unformatted text preview: radial impact (radial) loads • Low cost • Failure: wear, contamination, loss of oil supply • Radial or thrust load Ball/Roller Bearings • Low starting friction • Grease lubrication/ sealed if req. • Ill-suited for high speed/high impact loads • High cost/larger space requirements • Failure: fatigue • Any combination of loading...
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