Electric motors are an apparatus that is commonly found in various industries and applications, serving to convert electrical energy into mechanical power. Coming in a number of designs, shapes, and sizes, electric motors ensure the operability of water pumps, automobiles, vacuum cleaners, machinery, dishwashers, and so much more. With consistent operations, general wear and tear may eventually lead to the failure of a motor, necessitating the regular inspection and maintenance of parts. Electric motor bearings in particular are an important element to check on a set schedule, due to the fact that they are regularly overlooked.
Bearings are mechanical devices that assist an object’s rotation. Within the engines and wing assemblies of an aircraft, bearings are made to withstand both axial and centrifugal force during operation. Moreover, they are designed to handle large amounts of pressure and allow for other surfaces affixed to them to move with minimal friction and wear. Due to their versatility, there are numerous types, each varying in size, shape, and function. In this blog, we will be covering two types of bearings: wheel bearings and hub bearings. More than that, you will get a brief overview of their fundamental differences, their uses, and special features.
A pillow block bearing, often referred to as a bearing housing or plummer block, is a pedestal that provides support for a rotating shaft with compatible bearings like ball or roller bearings. For the purpose of this blog, we will be referring to this kind of bearing as a bearing housing or plummer block to avoid confusion among the other bearing types. Plummer blocks serve as housings that have a bearing placed into them. They are typically mounted on a surface parallel and offset to the axis of the shaft, and they contain a stationary outer ring and rotating inner ring. Mounting holes at the base of the plummer block allow for easy mounting and modification.
Bearings are components that are crucial to countless assemblies, ensuring that friction is reduced and that motion is constrained to specific movements. For automobiles engines in particular, bearings are paramount to the functionality of equipment such as the crankshaft, allowing it to be supported and protected from the forces of friction. As the failure of crankshaft bearings can quickly lead to engine damage or failure, it is important that they are inspected and maintained regularly.
When an assembly features bearings, nuts, and bolts, it is important that such components never become loose due to the forces of vibration or other factors. With a type of nut known as a lock nut bearing, bearing locknut, or locknut, assemblies are provided vibration resistance and may have their bearings and other components located onto an adapter or shaft. As components that are found in countless assemblies and applications ranging from the securing of aircraft bearings to the pulleys of industrial machines, understanding how the lock nut bearing functions is crucial for anyone operating such machinery.
Fasteners are often some of the most important parts for the construction of aircraft and equipment. At their most basic, they secure two or more components together in a non-permanent fashion, restricting motion relative to the attached component and include hardware components like screws, nuts, bolts, rivets, and more. Flange mount bearings are a specific type of bearing fastener, and are important for applications where a shaft is perpendicular to the surface it is being mounted upon. Common applications for flange mount bearings include HVAC belt drives, conveyors, food processing machines, and more.
Few components are as important as aircraft bearings in the aerospace industry. Bearings, as their name implies, bear weight and friction, allowing components in the aircraft to turn and rotate in a controlled manner. Bearings can take several different forms, but for this article we will focus on roller bearings.
Believe it or not, building an aircraft is a complicated process. It is one thing to design the aircraft on paper or more likely, on the computer, but it is another thing to piece it together. Specialized tools and hardware are required to fix the various aircraft components in place and allow for any mechanical movement to occur. Bearings are small pieces of hardware that house linear or rotational movement. As the name suggests, bearings bear weight within a piece of machinery, and are particularly useful in reducing the amount of friction within a machine. The moving parts have a smaller surface area than two rigid components moving past one another. By decreasing the amount of friction inside a machine, you are effectively increasing the lifespan of the machine. Bearings are widely used across the aviation, marine, and defense industries. There are numerous types of bearings including the popular rod end bearing.
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