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AC motors include single, multiphase, universal, induction, synchronous, and gear motors. They also include servomotors.
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Control and airframe aircraft bearings are designed to meet the rigorous demands of aircraft control and aerospace applications.
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Angular contact bearings are designed so that a contact angle between the races and the balls is formed when the bearing is in use.
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Ball bearings are used to provide smooth, low friction motion in rotary applications. Ball bearings types include radial ball bearings (deep groove and angular contact) and thrust ball bearings.
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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.
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DC motors are most commonly used in variable speed and torque applications. They include brushless and gear motors, as well as servomotors.
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Flange mounted bearings are used when a shaft axis is perpendicular to the bearing mounting surface. They are available in 2, 3, or 4-hole configurations.
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Gearboxes and gearheads are speed reducers that consist of a set of gears, shafts, and bearings in an enclosed housing. In converting inputs to outputs, they reduce RPM and increase torque.
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Linear bearings are used in applications where a component needs to be moved along a straight line with high accuracy.
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Miniature bearings and instrument bearings carry moderate radial and thrust loads at low operating torque while providing high performance in a small envelope design. These types of bearings are single row ball bearings available in up to 1 1/8" outer diameter (OD) sizes
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Needle roller bearings are designed for radial load applications where a low profile is desired.
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Pillow block bearings are mounted bearings that are used to provide load support for a rotating shaft’s axis.
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Plain bearings and sleeve bearings (also referred to as bushings or journal bearings) are used to constrain, guide or reduce friction in rotary or linear applications. They function via a sliding action.
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Radial or deep groove bearings can handle radial and axial loads to varying degrees, but are typically used when the primary load is in the radial direction.
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Rod end bearings contain a bearing that can accommodate a shaft or rod with varying misalignment. They attach to a static rod via a threaded shaft.
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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.
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Spherical plain bearings accommodate wide-ranging angular misalignment with a ball-and-socket type design. They are frequently used in linkages and control rod applications.
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Spherical roller bearings are self-aligning, double row, combination radial and thrust bearings. They use a spherical or crowned roller as the rolling element.
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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.
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Take-up bearings are primarily used to correctly tension conveyor belts and systems, or to align tracks. They are available in three component types: bearing, frame, and take-up assembly (frame with bearing).
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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.
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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.
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Timing belts are transmission drive belts with teeth for efficient, high-power synchronous drives. English or imperial pitch is the distance between belt teeth based on inches.
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Timing pulleys mesh with same-pitch timing belts on synchronous drives where maintenance of speed ratio is important. English or imperial pitch pulleys have an inch-based pitch designation.
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V-belts are power transmission drive belts with a triangular or trapezoidal cross section. They are available in a variety of belt materials, reinforcement styles, and speed configurations.
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