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QWhat are needle roller bearings used for?

AA needle roller bearing is a bearing that uses small cylindrical rollers. These rollers are used to reduce friction of a rotating surface. Compared to ball bearings, needle roller bearings have a large surface area that is in contact with the bearing raceway journals.

QWhich of the following is self aligning bearing?

ASelf-Aligning Double Row Ball Bearings. Self-Aligning Double Row Ball Bearings are designed to work in applications where severe misalignment exists whether from mounting or shaft deflection. The concave raceway of the outer ring in combination with two rows of balls operate over a wide range of contact angles.

QWhat is Roller Bearings ?

AA rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two bearing rings called races. The relative motion of the races causes the rolling elements to roll with very little rolling resistance and with little sliding.

QHow do you choose a tapered roller bearing?

AThe angle formed by the line of contact between the cup and rollers and that of the bearing's bore axis determines the type of load for which the bearing is well-suited. The larger the angle, the better the bearing is able to handle thrust loads, but the capacity to handle radial loads is proportionally reduced.

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