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ZZ Bearing is a reliable ball bearings and roller bearings manufacturer founded in 1998, integrating the design, manufacturing and selling of various high precision bearings such aus spherical roller bearing, cylindrical roller bearing, tapered roller bearing and ball bearing. Our precision bearings are widely applied in the fields of office equipment, oilfiled equipment, and printing machines among many others. Custom rolling element bearings are available upon request.
Roller Bearings
    2. Spherical Roller BearingsSpherical roller bearings are designed with two row rollers running between an inner ring of two raceways and an outer ring with a spherical raceway. This allows these bearings to support both an axial and radial load, and the high radial load capacity ensures the spherical roller bearings are ideal for heavy load or impact load conditions.
    2. Cylindrical Roller BearingsCylindrical roller bearings are equipped with a cage between the rollers, which prevents the roller from tilting or rubbing against other rollers, and efficiently balancing the increase in the rotation torque. This series includes single row cylindrical roller bearings, and double row cylindrical roller bearings.
    2. Tapered Roller BearingsCylindrical roller bearings are equipped with a cage between the rollers, which prevents the roller from tilting or rubbing against other rollers, and efficiently balancing the increase in the rotation torque. This series includes single row cylindrical roller bearings, and double row cylindrical roller bearings.
Ball Bearings
    2. Deep Groove Ball BearingsDeep groove ball bearings are a multi-function bearing, and are comprised of a firm inner ring, outer ring, and ball retainer. They are capable of simultaneously supporting both a radial and axial load, with the contact angle at 0 when they are supporting only a pure radial load.
    2. Angular Contact Ball BearingsAngular contact ball bearings can support both radial and axial loads. The axial load capacity is determined by the contact angle: the larger the contact angle, the higher the axial load capacity. Angular contact bearings are generally divided into several types according to the contact angle including 7000C-type (α＝15°)
    2. Thrust Ball BearingsThrust ball bearings are comprised of three parts: the housing washer, the shaft washer, and the steel ball retainer. They are capable of supporting axial loads, but not a radial load. This makes thrust ball bearings ideal for use in low speed equipment that can only bear a single axial load, such as crane hooks, low speed reducers, vertical pumps, and jacks.