What is a bushing and what types of bushings?

There are several types of bushings. These types include Cone-shaped, Ground flats, and Thinwall. Let’s explore their differences. If you’re looking for an insulator, bushings can be helpful. Here are some examples:

Cone-shaped bushings

There are two basic types of bushings: barrel-shaped and cone-shaped. While the former offers better stability, the latter offers better turning. Some skateboarders choose a combination of the two, while others opt for just one. While both are effective, the right one for you depends on your needs and preference.

Barrell-shaped bushings are more stable and have a strong center point, but have less depth than cone-shaped bushings. They provide less turning capability, but are much more stable at high speeds. They’re a popular choice among riders who prefer a stable ride, but want to maximize their ability to make quick turns.

Cone-shaped bushings come in two sizes: short and tall. Short cone bushings provide excellent lean resistance, while tall cone bushings offer a dive-like feel. Short cones are more versatile and are good for carving, but tall cones are less stable at high speeds. Tall cone bushings are typically used in RKP and SKP trucks, while short cone bushings are used in standard kingpin trucks.


Ground flats

Ground flats are a common type of bushing MFG and are used for close spacing between standard bushings. These types of bushings are available in standard sizes but can be customized to meet specific machining needs. They can be ordered in virtually any combination of size, length, head style, and tolerance.

Bushings are used to reduce electrical stresses by limiting the expansion and contraction of materials carrying an electrical charge. A bushing’s design must minimize electrical stresses to the insulating material. The bushing must also be resistant to partial discharge. In order to provide a safe electrical path, a bushing MFG must be designed with an internal cast screen. Bushings with internal cast screens should be designed to eliminate micro voids. As the voltage rises, these voids become increasingly sensitive to electrical stress.

Bushings for ground flats are important for electrical systems. They provide a grounding conduit for insulated wires. In some cases, bushings are made of copper or aluminum. They may have threaded ends for mounting other components.


KWM manufactures a line of thin wall bushings for a variety of applications. These bushings are available in a variety of standard sizes, and can be customized to virtually any combination of outside diameter, length, and head style. They are also available in special tolerances for special machining applications.

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Steel bushings are manufactured from a high-strength iron-carbon alloy. The carbon content varies from 0.002% to 2.1%, making them perfect for use in high-load applications. This type of bushing also features outstanding corrosion and fatigue resistance. In addition to offering superior performance, steel bushings have superior surface behavior, making them a good choice in a wide variety of industrial settings.

Besides supplying precise bores, steel bushings also provide clearance for lubrication. These two factors are vital to the longevity of the shaft and bushing. Furthermore, steel bushings are backed by steel tube that provides support. The steel tube contains babbitt, which is a type of steel.

These bushings are available in various types and can be hardened. Hardened steel bushings are typically between 56-62 HRC. The extra hardening process increases the stiffness and wear resistance. Moreover, hardened steel bushings can withstand high loads and are often used in low-speed, high-pressure, and pivoting motion applications. However, they should be lubricated regularly.

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