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Bearing

Should you flood or starve a sleeve bearing?

It’s surprising how little lubricant oil-film sleeve bearings really need. Millions of bearings in electric motors, machine tools, pumps, and industrial fans run without a hitch on lubricant feeds that can’t develop full hydrodynamic films of oil

Material Varieties in Bearings - John Wallace, AST Bearings
Material Varieties in Bearings - John Wallace, AST Bearings

Material Varieties in Bearings - John Wallace, AST Bearings

Bearing Lubrication - AST Bearings
The Complexity of Bearing Lubrication - John Wallace, AST Bearings

The Complexity of Bearing Lubrication - John Wallace, AST Bearings

Giving bearings a lift
Giving bearings a lift

Hydraulic lift keeps big bearings lubed at low speeds

Tolerance Rings Cut Vibrations
Tolerance Rings Cut Vibrations in Fractional-Horsepower Motors

Tolerance rings act like springs to absorb vibrations that lead to noise in small-motor appliances. Their long life, wide temperature range, and minimal machining-tolerance requirement make tolerance rings economical, too

parallel blocks that use plastic bearings
Plastic Bearings

Matt Mowry from igus looks at the benefits of using plastic bearings. 2:00

Performance-Prediction Tools for Flat-Land Thrust Bearings

Empirically derived equations give engineers the tools to predict twe performance of lightly loaded flat-land thrust bearings.

Grease keeps sleeve bearings lubricated
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Greases help sleeve bearings operate with less maintenance. Understanding bearing oscillation angle, temperature, friction, and grease replenishment requirements will keep bearings working longer.

Plastic bearings handle packaging extremes

Plastic bearings are durable, don’t contaminate food or packaging, require no lubrication, and are often more economical than ball bearings

Don’t Let That Large-Diameter Bearing Fail. Refurbish it First.

Large-diameter bearings cost a lot and have long lead time, so it can make sense to replace a bearing before it degrades. These bearings often make good candidates for repair or refurbishment.

Rollon linear bearings roller block
Compact Rail Technology

Rick Wood from Rollon Corp. talks with Ken Korane about issues being seen by machine builders and users in alignment, assembly, and costs in linear motion systems. 6:01

Telescoping slide for linear motion

Rick Wood from Rollon Corp. talks about the key features of a new telescoping slide developed by his company with Lee Teschler from MACHINE DESIGN. 4:27

Slimmed-Down Magnetic-Bearing Systems Fit More Rotating Machinery Applications

Smaller components and streamlined control electronics transform magnetic bearings from expensive and bulky to compact and affordable.

Ceramic Bearings Save Energy, Extend Life
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All-ceramic bearings mean less power lost to lubricant viscosity, seal friction, and bearing inertia.

Keeping Thrust Bearings Cool
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Engineers can keep thrust bearings cool by tweaking oil-groove count, taper geometry, and pivot location. Here’s how design changes affect temperature.

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