Deep groove ball bearings are mainly subjected to radial loads and can also withstand radial loads and axial loads. When subjected only to radial loads, the contact angle is zero. When the deep groove ball bearing has large radial clearance, it has the performance of angular contact bearing and can bear a large axial load. The deep groove ball bearing has a low coefficient of friction and a high limiting speed.
Angular contact ball bearings are a type of bearing that can withstand radial and axial loads. It can operate at higher speeds. The larger the contact angle, the greater the axial load capacity. High-precision, high-speed bearings typically have a contact angle of 15 degrees. Under axial force, the contact angle will increase.
Thrust ball bearing is a separate type of bearing, and the shaft race and seat ring can be separated from the cage and steel ball components. The shaft ring is a ferrule that cooperates with the shaft. The seat ring is a sleeve that works with the bore of the bearing housing and there is a gap between the shaft; Thrust ball bearing only bear axial load, and one-way thrust ball bearing can only bear axial load in one direction, two-way ball bearings can bear axial load in two directions; Thrust ball bearings cannot limit the radial displacement of the shaft, the limiting speed is very low, one-way thrust ball bearings can limit one of the shafts and housing Axial displacement of the steering, the two-way bearing can limit the Axial axis movement in both directions.
Thrust roller bearings are used to carry axial and radial loads to combine axial and radial loads with axial loads, but the radial loads must not exceed 55% of the axial loads. Compared with other thrust roller bearings, this type of bearing has a low friction factor, high speed, and self-aligning performance. Type 29000 bearing roller is an asymmetric spherical roller, which can reduce the relative sliding of roller and raceway during operation, and has a long roller, large diameter, a large number of rollers, load capacity high, and is usually lubricated with oil.
Individual low-speed conditions can be lubricated with grease. In choosing the design, it should be preferred; 80,000 cylindrical roller thrust bearings, 90,000 taper roller thrust bearings, and AXK needle roller thrust bearings can withstand unidirectional thrust loads, which are more axial than thrust ball bearings. The bearing capacity is much higher, the rigidity is large, and the axial space is small. Cylindrical roller thrust bearings and needle roller thrust bearings are suitable for low-speed applications. Taper roller thrust bearings have a slightly higher rotational speed than cylindrical roller thrust bearings.
It is mainly used to support radial load. While receiving the radial load, it can also bear a small amount of axial load, but generally cannot bear the pure axial load, and its limiting speed is lower than that of the deep groove ball bearing. This type of bearing is mainly used in a double support shaft, which bends easily under load, and the double bearing bore part cannot guarantee tight alignment, but the relative inclination of the inner ring centerline and center. The line of the outer ring must not exceed 3 degrees.
Self-aligning ball bearings are suitable for heavy-duty and shock loads, precision instruments, low noise motors, cars, motorcycles, metallurgy, rolling mills, mining, petroleum, paper, cement, sugar, and other industries and general machinery.
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