Information about Roller Bearings

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About Roller Bearings

Roller bearings are used in rotary applications to replace sliding movement with low friction, rolling motion. The principal types of roller bearings are cylindrical, spherical, and tapered. In general, roller bearings offer higher load capacities than ball bearings of the same size.

Products & Services Related to Roller Bearings

Ball Screw Support Bearings

Ball screw support bearings are designed for use in ball or lead screw applications.

Cylindrical Roller Bearings

Cylindrical roller bearings have high radial-load capacity and moderate thrust loads. They contain rollers which are cylindrically-shaped, but crowned or end-relieved to reduce stress concentrations.

Slewing Rings and Turntable Bearings

Slewing rings and turntable bearings can accommodate axial, radial and moment loads. They are not mounted in a housing or on a shaft, but are instead mounted directly to a seating surface via mounting holes.

Spherical Roller Bearings

Spherical roller bearings are self-aligning, double row, combination radial and thrust bearings. They use a spherical or crowned roller as the rolling element.

Super Precision and Spindle Bearings

Super precision and spindle bearings are high-precision bearings that are designed for use in machine-tool spindles and other precision applications. Most super precision bearings and spindle bearings carry a high quality-rating such as ABEC-7 or ABEC-9, and run coolly and smoothly at high speeds.

Tapered Roller Bearings

Tapered roller bearings consist of an inner ring (cone), an outer ring (cup), a cage and rollers, which are profiled to distribute the load evenly across the roller.

Thrust Bearings

Thrust bearings are designed for pure thrust loads, and can handle little or no radial load. The rolling element in a thrust bearing can be a ball, needle or roller.

Engineering Web: Roller Bearings - Machine Design

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Ball Bearings, Linear Bearings & Other Bearing... The Bearings Reference Center, from Machine Design, is designed to provide design engineers with the information they need to specify or purchase
Plain Bearings Outperform Rolling-Element Bearings \| Machine... Erstwhile users of larger ball and roller bearings are also realizing considerable savings from plain bearings.
Product Spotlight: Tapered-Roller Bearings \| Machine Design Line of high-carbon chromium steel tapered-roller bearings consist of four basic components: The cone (inner ring), the cup (outer ring), tapered

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