51104

51101 is a standard-designed single-direction flat thrust ball bearing, belonging to the category of thin-section thrust ball bearings in the 51100 series. It is a core basic component for lightweight axial load bearing in the industrial field. Its core product specifications are inner diameter 12mm, outer diameter 26mm and thickness 9mm. The overall structure is compact and small in size, which can adapt to the axial installation requirements of narrow spaces in various equipment. The installation and disassembly operations are convenient without complex tooling, which greatly improves the efficiency of equipment assembly and maintenance.

The core material of the bearing is GCr15 high carbon chromium bearing steel, a high-quality special steel for bearings with excellent hardenability, hardness, wear resistance and fatigue resistance. After forging, annealing and precision processing, the bearing blank is subjected to professional heat treatment processes such as quenching and low-temperature tempering, so that the surface hardness of the bearing raceways and rolling elements can reach HRC60-64, the internal structure is uniform and stable, which can effectively resist abrasion, impact and fatigue damage during operation, and ensure the precision stability and service life of the bearing in long-term use. The bearing is equipped with a steel stamped cage, which is made by an integrated cold stamping forming process with high structural strength and small geometric tolerance. It can accurately and stably fix the steel ball rolling elements, effectively separate adjacent rolling elements, reduce friction, collision and jamming between rolling elements during operation, lower the noise and vibration of equipment operation, and improve the overall operation smoothness of the bearing.

In terms of lubrication configuration, the main lubrication method of 51101 flat thrust ball bearing is lithium-based grease lubrication. General lithium-based grease has good adhesion, water resistance, rust resistance and high and low temperature adaptability, which can be used stably under the working condition of normal temperature to 120℃. After filling, it can form a uniform and dense lubricating protective film between the bearing raceway and rolling elements, completely isolate the direct contact of metal surfaces, greatly reduce the friction coefficient and reduce abrasion. At the same time, lithium-based grease has good sealing retention and long maintenance cycle, which can effectively reduce the maintenance cost of equipment. If the equipment is in special working conditions such as high speed, high temperature or continuous operation, the oil lubrication method (such as lubricating oil drop injection, oil bath lubrication) can also be replaced according to actual needs to further improve the high-speed adaptability and heat dissipation effect of the bearing and meet the use requirements of special working conditions.

As a pure axial load-bearing bearing, 51101 can only bear single-direction axial load and cannot bear any radial load. In practical engineering applications, it is usually used in combination with radial load-bearing bearings such as deep groove ball bearings and cylindrical roller bearings to form a composite load-bearing system, realizing the dual requirements of radial positioning and axial load bearing of equipment. The rated static load of the bearing is 15.4kN and the rated dynamic load is 10.4kN, which can stably meet the requirements of various light and medium axial loads and adapt to various load forms such as intermittent load and stable continuous load. The limiting speed under grease lubrication condition is 6700r/min, and the actual service speed can be appropriately adjusted according to the equipment installation accuracy, working condition environment and load size. If the installation accuracy is high and the load is light, it can be used close to the limiting speed; if the load is large and the installation accuracy is general, the speed can be appropriately reduced. On the whole, it is suitable for axial operation scenarios from low-medium speed to medium-high speed.

With the advantages of simple structure, high cost performance, excellent load-bearing efficiency and strong adaptability, 51101 flat thrust ball bearing is widely used in various light and medium-sized equipment in many industries. Its core application fields include machine tool equipment (axial positioning and light load support of machine tool spindles, tool rests, feed mechanisms, index plates and chucks), general machinery (axial positioning components of small reducers, micro gear boxes, clean water pumps, small fans and electric rollers), textile machinery (light load axial operation mechanisms of spinning machines, looms, winders and carding machines), light industrial machinery (axial transmission components of food packaging machinery, small printing machinery, plastic processing auxiliary machinery and office supplies machinery), automotive industry (auxiliary axial load bearing of automobile gearboxes, steering systems, wiper motors and window lift motors), electric tools (motor axial positioning of small electric drills, grinders, hair dryers and electric screwdrivers), precision instruments (precision axial support of measuring instruments, small testing equipment, laboratory equipment and office automation equipment) and hardware accessories (axial load bearing components of various small rotating mechanisms and hand tools), etc.

The bearing is suitable for conventional industrial working conditions such as normal temperature, dryness, slight dust and slight humidity. If the equipment is in a special environment with much dust, much water and slight corrosion, dust covers, sealing rings and other protective accessories can be matched on the outside of the bearing, and special anti-rust lithium-based grease can be selected at the same time to further optimize the sealing and protective performance and environmental adaptability of the bearing. According to the actual use requirements of the equipment, 51101 bearings with different precision grades (such as P0 grade general precision, P6 grade high precision) can be flexibly selected to meet the general requirements of ordinary equipment and the high-precision operation requirements of precision equipment. It is a basic axial support component with a very wide application range in industrial production and civil equipment manufacturing.

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