Learn more about your office chair and what makes it comfortable and convenient, like its universal base!
Yes, most office chairs use a universal base. Universal bases for office chairs measure 28-inches in diameter, have a two-inch center hole where the cylinder of the chair attaches, and have five supporting legs with sockets for caster wheels.
Just because office chair bases are universal, it doesn’t mean they’re all the same. Universal office chair bases come in a variety of colors and materials to suit your needs and fit your aesthetic. All while maintaining standard sizing.
You may also need to know about those:
What is the Standard Office Chair Base?
The standard office chair base we’re accustomed to seeing is a black plastic or similar composite material. You may feel it’s not the most attractive option, but it gets the job done affordably. Plus, black goes with everything.
The most universal thing about office chair bases is their measurements, which help them to attach to any standard office chair. The center hole of the base should be two inches in diameter and there should be five sockets that fit standard 7/16-inch caster wheel stems.
The base of an office chair isn’t necessarily why we buy it. Instead, we’re focused on the colors and materials of the seat itself or features like armrests and lumbar support. Though, the base of your office chair can add a lot to the overall aesthetic.
The most common colors to find office chair bases in are black or chrome, but they can also come in gold and white. It is easier to find a replacement chair base in black or chrome than in another color, but your specific office chair’s brand may be able to help with a more custom color replacement base.
Gaming chairs, a type of office chair, will often come with a base that is customized to coordinate in color. For example, a blue gaming chair could have a black and blue chair base.
If not made out of plastic or composite, you’re likely to find office chair bases made of a metal like aluminum. Metal office chair bases are often heavier and feel more sturdy, but that doesn’t necessarily mean they’re the most durable option for you.
Metal bases can scratch easily if you’re not careful. A plastic or composite base may be right for you if you’re one to bang your office chair into your desk, walls, or other furniture. Those types of bases won’t show scratches as obviously as metal ones will. Nor will they leave marks on every surface they bang into.
Different Types of Office Chair Bases
Now, there are some designs and brands that have attempted to make their office chairs stand out and may have changed things like the standard 28-inch diameter for their chair bases.
For example, this chair base is designed to be universal for an office chair OR stool and has a 22-inch diameter as a result. However, those office chair bases do continue to have the same universal two-inch center hole for the chair cylinder and the same universal size sockets for caster wheels.
If your office chair is a custom piece of furniture with a special base, it won’t take a universal replacement base without extra modifications. In those cases, it’s best to reach out to your chair’s manufacturer for the next steps.
How to Replace Your Office Chair Base
Replacing your old office chair base with a new, universal base isn’t a difficult task. However, it may take some strength and you’ll likely need an extra set of hands.
- Place your office chair upside down on the edge or corner of a table. Remove all of the caster wheels from your current base.
- Once the caster wheels have been removed, you’ll need someone to hold the chair base while you firmly strike the chair cylinder. This should push the chair downwards, pulling the cylinder from the hole in the center of the base. It should only take a few whacks, but if the base is stubborn it can be lubricated with WD-40.
- Place the new, universal base on so that the chair cylinder goes through the hole into the center of the base. The chair base should be upside down, like the chair is, with feet facing upwards. Reinstall all caster wheels.
- Place the chair right side up on the floor. Sit in the chair to push the cylinder firmly into the new chair base, locking it into place.
Office chair bases are universal for the convenience of manufacturing and replacement. You can find a universal base that meets your standards for comfortability and aesthetics.