High Precision 51417 Thrust Ball Bearing for Ultrasonic Welder

Product Description Thrust bearings are divided into thrust ball bearings and thrust roller bearings.Thrust ball bearings are further divided into thrust ball bearings and thrust angular contact ball bearings.           The raceway ring matched with the shaft is composed of a washer with a raceway, a ball and a cage assembly, and the raceway ring matched with the shaft is called a shaft washer, and the raceway ring matched with the housing is called a seat ring.The rolling elements of thrust ball bearings are spherical, and the rings have corresponding R-shaped grooves. This bearing can withstand axial loads, but not radial loads. Because the rolling element is spherical, the friction force with the diameter of the raceway is small, so it can be adapted to the occasion of high working speed.           The rolling elements of thrust roller bearings are cylindrical, conical or spherical roller types.Mainly bear axial load, conical type and spherical roller type, can bear a certain axial load. Because of the large contact area between the rolling element and the raceway, the thrust roller bearing is correspondingly larger than the thrust ball bearing, and because the limit speed is lower than that of the thrust ball bearing, it is suitable for the occasions that bear heavier axial loads and lower speeds.            Two-way bearings fit the middle ring to the shaft. One-way bearing can bear one-way axial load, and two-way bearing can bear two-way axial load. Bearings with a spherical mounting surface of the seat ring have self-aligning performance, which can reduce the influence of mounting errors. Such bearings are mainly used in automobile steering mechanisms and machine tool spindles.            Thrust roller bearings are divided into thrust cylindrical roller bearings, thrust spherical roller bearings, thrust tapered roller bearings, thrust needle roller bearings. Thrust cylindrical roller bearings are mainly used in oil drilling rigs, iron and steel machinery. Thrust spherical roller bearings are mainly used in hydraulic generators, vertical motors, propeller shafts for ships, tower cranes, extruders, etc.SpecificationsBearing No.Dimensions(mm)WeightBearing No.Dimensions(mm)Weight dDBkg dDBkg51103173090.028512031735120.053511042035100.04512042040140.082511052542110.059512052547150.12511063047110.068512063052160.15511073552120.09512073562180.22511084060130.12512084068190.27511094565140.15512094573200.32511105070140.16512105078220.39511115578160.24512115590250.61511126085170.29512126095260.69511136590170.345121365100270.77511147095180.365121470105270.815111575100190.425121575110270.865111680105190.435121680115280.955111785110190.465121785125311.29513042047180.13514052560240.34513052552180.18514063070280.53513063060210.27514073580320.79513073568240.39514084090361.14513084078260.555140945100391.47513094585280.695141050110431.995131050953115141155120482.645131155105351.345141260130513.515131260110351.435141365140564.475131365115361.575141470150605.485131470125402.065141575160656.755131575135442.685141680170687.975131680140442.825141785180729.295131785150493.66514189019077115131890155503.88514201002108514.6Advantages 1.ISO Standard2.Free Sample Available3.Small Quantity Order is Available4.Rich stock and Quick delivery5.We have our own brand ''Hai Sai'',OEM service is welcomed6.More than 30 years experience in bearing field 7.High Quality with Competitive price8.Prompt after service with our own technical teamsFactory introduction Haisai bearing is a regular model industrial manufacturing enterprise integrating bearing product research and development, design, manufacturing, import and export trade. The company was founded in 1998, covers an area of more than 90,000 square meters, plant area of more than 20,000 square meters, more than 200 employees, more than 20 technical engineers, has passed the international/SO9001:2008,1SO/TS16949:2009 and other quality management system certification. In addition, we have two factories (located in Shanghai and Liaocheng respectively) and a trading company. We have completed the high-speed forging of bearing steel dock, automatic high-precision grinding, cryoquenching, unitized automatic constant temperature grinding, intelligent assembly and so on, complete profession production. The product size from 30mm-750mm covers single and double row tapered roller bearing, British garden taper roller bearing, deep groove ball bearing, stainless steel shaft reducer special bearings, agricultural equipment bearings, a total of more than 2500 specifications of products.We have a professional team of excellent quality, the technical center is equipped with all kinds of testing machines, high-precision testing instruments,material analysis instruments and more than 60 sets, for users to design develop, trial-produce all kinds of special purpose bearings, and do our best to provide high-end customers around the world with the best solutions and good after-sales service!We has many years