paired tapered bearing structure forms

Main radial load, but can withstand axial load is small. (Shell) of the axial displacement limited clearance limits, paired tapered bearing paired tapered bearing with self-aligning performance, allowing the peripheral conditions of relatively little inclination to work for bearing seat hole can not be strictly guaranteed concentricity of the part. Aligning ball bearing assembly with a dust cover and with a ring already populated when the right amount of grease should not be heated before installation do not wash, slim bearings use the process without re-lubrication, adapt operating temperature - 30 ℃ to + 120 ℃ between. paired tapered bearing main purposes: for precision instruments, low noise motors, automobiles, motorcycles and general machinery, the machinery industry, the most widely used type of bearings.

Roller Bearing operating conditions of work

Most wheel Roller Bearing under heavy low-speed operating conditions of work, in general, the use of lubricating grease filling type of bearing lubrication can be subjected to extremely satisfied with the results achieved, the commonly used calcium-based grease grease, lithium-based lubricating grease, aluminum grease, and high temperature grease, etc., paired tapered roller bearing the user can choose the most suitable grease depending on the circumstances. Bearing seal Hand wheel bearings are sealed to prevent leakage of grease has been filled out, the other is to prevent outside dust, impurities and moisture intrusion inside the bearing and affect their normal work. Since the wheel bearings are mostly low-speed operation is under heavy load, LYSN bearings it is sealed with rubber seals type bearings and labyrinth seals two structures. The rubber seal structure itself has a simple structure, small footprint, reliable sealing performance advantages and has been widely used, but the downside is that when the high temperature rubber lip seal is easy to lose early aging, so the temperature wheel bearings under working conditions should work labyrinth seal. Three-row combination roller wheel bearings (slewing ring) Three-row roller slewing ring has three seat down and radial raceways separately from each other, Roller Bearing so that each row roller load can be determined exactly, can withstand all kinds of loads, Cylindrical roller bearing is the carrying capacity of the four products the largest one, axial and radial dimensions are larger firm structure, particularly for applications that require larger diameter heavy machinery, such as bucket wheel excavators, wheeled cranes, ship cranes, ladle turret and large-tonnage truck cranes and other machinery on. Double row angular contact ball slewing bearing (slewing ring) Double row slewing bearing has three seat, must be specially designed raceways. Double row slewing bearing axial, Roller Bearing radial size was relatively large, solid structure, particularly suitable to the requirements of the above average diameter of tower cranes, truck cranes and other handling machinery.

series bearing material

Under normal circumstances, turntable bearing rings chosen 50Mn, but sometimes in order to meet the needs of a particular application host selection 42CrMo. Rolling element generally used GCr15SiMn. The holder of the type with integral type, sub-type, isolation block, such as different structural types. Monolithic or segmented retainer using 20 # steel or ZL102 cast aluminum. Isolated block holder 1010 polyamide resin, NNCF series bearing ZL102 QA110-3-1.5 cast aluminum or aluminum bronze. Seal material: oil and rubber, series bearing fluoro rubber, nitrile rubber oil. Turntable bearing structures commonly used form of a single row, double row four point contact ball slewing bearings, double row angular contact thrust ball slewing bearing, cross roller and cross tapered roller wheel bearings, three-row cylindrical roller wheel bearings, slim bearings ball column hybrid wheel bearings, such as different structural forms. According to the distribution series bearing of the above types of bearing parts and whether toothed gears are divided into different structure without gear, external gear type, and the tooth and so on.

paired tapered bearing elements with material

Under normal circumstances, turntable bearing rolling elements with the overall hardened carbon chromium bearing steel. Or GCr15SiMn GCr15 steel grades for manufacturing; turntable bearing surface hardened steel ferrule is used when a user without special requirements, generally used in 50Mn steel, paired tapered bearing but sometimes in order to meet the needs of some special applications, paired tapered bearing the host can also be based on user-supplied specific conditions of use choose other brands of surface hardened steel, such as 42CrMo, 5CrMnMo so on. Cage materials Turntable bearing retainer integral structural form, segmented, Precision Bearing isolated block and so on. Where overall style and segmented cage with the 20th ZL102 cast steel or aluminum alloy. Isolated block polyamide 1010 resin, ZL102 cast aluminum and other manufacturing. Seal materials Wheel bearing seals with oil and rubber material or materials used nitrile rubber material manufacturing.

Roller Bearing of aircraft structures

Roller Bearing tolerances and clearance in line with JB / T 10471 "Rolling wheel bearings," wind turbines with turntable bearing tolerances and clearance in line with JB / T 10705 "Rolling wind turbine bearings." split tapered roller bearing If the customer dimensions, tolerances, clearance has other special requirements, can provide the appropriate product based on use conditions and user requirements. Wheel bearings are used to keep the cage type has a whole shelf, Roller Bearing segmented hold different types of aircraft structures or isolated cage and so on. Tapered roller bearing the whole cage or segmented cage using the 20th ZL102 cast steel or aluminum alloy. Isolated cage polyamide 1010 resin, ZL102 cast aluminum or aluminum bronze QA110-3-1.5.

series bearing processing base

series bearing allocate special funds to establish a technical innovation incentive fund, public assessment of academic leaders, technical experts and technological rookie, to promotion and technical titles and issue appropriate wage subsidy. Meanwhile, in the majority of workers in a wide range of technical contest, teacher with only technical innovation and economic activity, NNCF series bearing the emergence of a large number of technical experts and workers specialists. Wazhou also adhere to the "going out, please come in" approach, borrowing outside the brain, the introduction of intelligence, has conducted joint cooperation with Tsinghua University, Dalian University of Technology, Luoyang Bearing Research Institute and other famous universities and research institutions, joint technology development and Research to improve the level of R & D capabilities and innovative enterprises. In the establishment of technological innovation system, while Wazhou since 2000, aiming at the international advanced level, set off a species to expand, improve quality, develop export and import substitution roller bearing as the main content of the product structure adjustment, technological innovation projects. Built a modern world-class railway bearing production line to meet the China Railway five great speed needs and exported to the US market; and built a low-noise motor bearings and precision series bearing grinding equipment production line, series bearing reached US military bearing standards, developed 6000 RPM high speed precision bearings, make CNC lathe spindle bearings to achieve a localization; complete import substitution in large conical, cylindrical, spherical roller bearings and large slewing ring bearing metallurgical and mining-focused transformation project for the steel mill industry support bearings, yaw bearings supporting wind power industry, providing large CNC boring drill spindle bearings, wheel bearings for port machinery and equipment, etc. slim bearings the vast majority of these products in the past the country dependent on imports; built the most advanced third-generation car wheel production line and international Contemporary class ball screw production and processing base. This year, the construction industry started Wazhou New projects with a total investment of 800 million -12 billion, focusing on the development of major equipment precision series bearing, large bearings, large wheel bearings, automotive lightweight bearings, constant velocity joint drive shafts and other high-tech products. Currently, the third joint construction of industrial plants all over the new district, supporting the project is being carried out, expected to be delivered by the end; second joint workshop by the end of civil works completed.

paired tapered bearing product development

paired tapered bearing clutch bearings, 2050 Mill sealed bearings, anti-vibration-aligning roller bearings, successfully developed a new four-row cylindrical rolling bearings and other core technologies, not only to fill the gap, but also for supporting enterprises to achieve a successful alternative imports. Wazhou has five great speed railway, paired tapered bearing the Three Gorges Project, project, the defense "on the 1st project" and other successful conduct of the bearings supporting, independent brand bearing export growth rate of over 50 percent for two consecutive years. Currently, paired tapered bearing bearings and constant velocity joints have independent intellectual property rights of a total of more than 13,000 specifications, 46% of the products reach the international level of the 1990s of the last century, 15 percent of the products meet international current levels. Leading products quasi-high speed railway bearings, automotive bearings, mining and large-scale machinery bearings, bearings and other major equipment products in the market share of over 25%, paired tapered bearing was identified as Chinese well-known trademarks, ZWZ products were identified as Chinese famous brand. Backing Bearings Machine sealed bearings combination products have become fully sealed structure energy saving products, represents the future direction of rolling bearing development. This is a recent Wazhou through increased R & D efforts in the field of innovation has made another achievement. To enhance the capability of independent innovation, first established Wazhou adapt technological innovation system of the market economy, the original level technology center was restructured to form a set of Market Intelligence, international developments, the underlying technology, product development, process design, equipment development, full complement roller bearing material research, information collection, laboratory testing for integrated enterprise technology centers, in addition to the establishment of a product testing center in Dalian University of Technology, Dalian Maritime University, established a technical sub-centers, the initial formation of product development, manufacturing technology detection technology three platforms. Currently, paired tapered bearing technology center R & D capability in the domestic bearing industry ranked first, bear more than 20 national key projects and major equipment supporting the project annually. Product testing center is the only accredited National Laboratory Accreditation Board of the national laboratories, the 26 countries with the international mutual recognition of test results.