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THE LARGEST STOCK OF ORIGINAL BEARINGS
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DEEP GROOVE BALL BEARINGS
In a deep groove radial bearing, the race dimensions are close to the dimensions of the balls running in it. Deep groove bearings support higher loads than a shallower groove. Like angular contact bearings, deep groove bearings support both radial and axial loads, but without the choice of contact angle to allow the choice of the relative proportion of these load capacities.
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ANGULAR BALL BEARINGS
An angular contact ball bearing uses axially asymmetric races. An axial load passes in a straight line through the bearing, while a radial load takes an oblique path that acts to separate the rings axially. So the contact angle on the inner ring is the same as that on the outer ring. Angular contact bearings better support combined loads (load in both radial and axial directions) and the contact angle of the bearing must be adjusted to the relative proportions of each.
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SELF-ALIGNING BALL BEARINGS
Self-aligning ball bearings are constructed with the inner ring and ball assembly contained within an outer ring that has a spherical raceway. This construction allows the bearing to tolerate a small angular misalignment resulting from shaft or housing runouts or improper mounting.
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THRUST BALL BEARINGS
A thrust bearing is a particular type of rotating bearing. Like other bearings, they allow rotation between parts, but are designed to support a predominantly axial load. Thrust bearings are used in cars because the front gears of modern car gearboxes use helical gears which, while aiding in smoothness and noise reduction, cause axial forces that must be addressed.
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SPHERICAL ROLLER BEARINGS
A spherical roller bearing is a rolling element bearing that allows rotation with low friction, and allows for angular misalignment. Normally these bearings support an axis of rotation in the inner ring hole that may be misaligned with respect to the outer ring. Misalignment is possible due to the spherical internal shape of the outer ring and the spherical rollers.
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CYLINDRICAL ROLLER BEARINGS
Common roller bearings use cylinders that are slightly longer than the diameter. Roller bearings typically have a higher radial load capacity than ball bearings, but a lower capacity and higher friction under axial loads. If the inner and outer rings are misaligned, the capacity of the bearing usually decreases rapidly compared to a ball bearing or spherical roller bearing.
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TAPERED ROLLER BEARINGS
The grooves of the inner and outer rings are segments of cones and the rollers are conical, so that the conical surfaces of the grooves and the axes of the rollers, if projected, meet at a common point on the main axis of the bearing. This geometry ensures that the movement of the cones remains coaxial, without sliding movement between the raceways and the outer diameter of the rollers.
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TAPERED ROLLER BEARINGS
The grooves of the inner and outer rings are segments of cones and the rollers are conical, so that the conical surfaces of the grooves and the axes of the rollers, if projected, meet at a common point on the main axis of the bearing. This geometry ensures that the movement of the cones remains coaxial, without sliding movement between the raceways and the outer diameter of the rollers.
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NEEDLE BEARINGS
A needle roller bearing is a special type of roller bearing that uses long, thin cylindrical rollers that resemble needles. The rollers of ordinary roller bearings are only slightly longer than their diameter, but needle bearings typically have rollers that are at least four times longer than their diameter. Like all bearings, they are used to reduce the friction of a rotating surface. Compared with ball bearings and ordinary roller bearings, needle bearings have a larger contact surface with the rings, so they can bear a larger load. They are also thinner, so they require less space between the shaft and the surrounding structure.