Jinan Zhenghang Bearing Co., Ltd. Company Profile: Jinan Zhenghang Bearing Co., Ltd. was established in 2002, located in Shandong,the beautiful "Spring City" • Jinan, is a collection bearing the R & D, production and domestic foreign trade of technological innovation, the company (ZHZA) bearing products constant research and innovation development goals, the concept of survival of high quality, to excellent team service customers, employees received formal professional training certificates, strong technical force. Own unique manufacturing factory specialized in producing deep groove ball bearings, self-aligning ball bearings, spherical roller bearings, single row tapered roller bearings Inch tapered bearings automotive bearings bearing joints such as of Sibai multiple varieties annual production of more than 960 million units, the company has strong technical strength, excellent processing equipment, complete testing equipment to ensure the quality of the bearings. Zhenghang 2006 a cooperation agreement signed with foreign well-known brand bearings, agent and sales of imported bearings, Sweden, SKF Bearings, FAG Bearing Germany, IAN bearings, Japan NSK Bearings, NTN bearings, KOYO bearings, THK bearings, NACHI bearings, the United States TIMKEN bearings, Korea KBC bearing and other world famous brands, supply directly from Hong Kong, Singapore, Japan, Germany and other products are widely used in aerospace, railway, metallurgy, mining, machine tools, paper, petrochemical, electricity, machinery and other industries, Customers in various countries and regions, including the United States, the United Kingdom, Canada, Australia, Germany, Japan, South Korea and Taiwan. Company has a perfect quality assurance system, production, packaging, transportation in strict accordance with ISO standards, and has obtained ISO9002 quality certification and effective ERP inventory management system to win the trust and serve the users in the increasingly fierce market competition, the company has always followed the principle of "customer first, service first, the quality of survival, relying on the credibility of development". Have been pursuing, has been working, so that the user satisfaction, we are assured, and ultimately achieve a win-win situation with the user. about the self-aliging ball bearings : Self-aligning ball bearing has two rows of spherical rollers, the outer race is provided with a common concave spherical raceway, while the inner race is provided with two concave spherical raceways that form an angle with the bearing axis. The self-aligning ball bearing was invented by SKF. It has two rows of balls and a common concave sphered raceway in the outer ring. The bearing is consequently self-aligning and insensitive to angular misalignments of the shaft relative to the housing. It is particularly suitable for applications where considerable shaft deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables it to run cooler even at high speeds. Self-aligning ball bearing 1) Bearing series: 1200 series, 1300 series, 2200 series, 2300 series 2) Material of rings and balls : chrome steel; GCr15 and GCr15SiMn 3) Material of cage: steel cage ,nylon cage ,or brass cage 4) Precision: P0, P6,p5 5) Suffixes: a) "K", ID of bearing with tapered ,the taper is 1:12 E.G. :1205K b) "H", adapter sleeves.The combined unit is for K series bearnigs. E.G. 1205KH c) CTN1: nylon cage 6) Typical applications: the electrical household, electrical tools and machine Self-aligning ball bearing outer ring raceway is processed into spherical shape, the inner raceway with two double row deep groove ball bearings, aligning performance. It is mainly used to bear radial load, radial load at the same time, it can withstand a small amount of axial load, but generally can not bear the pure axial load, the speed limit lower than the deep groove ball bearings. This kind of bearings are used for the load prone to bending under the double bearing shaft, and dual bearings coaxial holes can not guarantee that the parts in the strict, but the inner ring and outer ring center line of the relative steepness of the center line of not more than 3 degrees. Aligning ball bearing basic types 12,13,22 and 23 series of self-aligning ball bearing bore can be cylindrical or conical. Bearing bore taper 1:12 (code suffix K),-aligning ball bearings can be installed directly to the cone axis can also be installed by a tight sets to cylindrical shaft, FAG addition to providing non-aligning sealed ball bearings, can provide two End with a sealing cover the basic types of self-aligning ball bearings (code suffix 2RS).