A bushing is a type of bearing: specifically, a plain bearing. The useful comparison is usually a plain bearing or bushing versus a rolling-element bearing. A bushing has sliding contact between the shaft and bearing surface; a rolling bearing uses balls or rollers. Which suits a construction machine or other application depends on its load, motion, space, lubrication, environment and maintenance requirements—not on a universal rule that one is better.
What is the difference between a bushing and a bearing?
“Bearing” is the broader category, not the opposite of “bushing.” A bushing is a plain bearing, often made as a sleeve or other simple bearing surface fitted into a housing. A rolling-element bearing supports motion with balls or rollers between bearing surfaces. Timken describes its spherical plain bearings as having no rolling elements, and SKF’s selection guide treats rolling bearings and journal bearings as separate options. Timken: Plain Bearings; SKF: Basic bearing type selection guide.
| Feature | Plain bearing or bushing | Rolling-element bearing |
|---|---|---|
| Contact | The shaft slides against a bearing surface. | Balls or rollers roll between bearing surfaces. |
| Construction | May be a sleeve or another plain-bearing form made from metal, polymer or composite. | Uses rolling elements; product construction and sealing vary. |
| Typical trade-off | Can suit compact arrangements and certain oscillating or sliding motions; friction and wear depend on design and duty. | May offer low starting torque in the category described by SKF’s guide; performance depends on bearing type and operating conditions. |
The last row is not a universal rating: SKF’s comparison is a guide-level description, not a guarantee for every bearing or machine.
When should I use a bushing instead of a rolling bearing?
Choose by the operating conditions and the manufacturer’s ratings for the specific component. For a construction machine, consider the actual joint or shaft arrangement, duty cycle and service conditions rather than choosing by component name alone.
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- Size - 1 inch bore brass sleeve bearings, with 1-1/4 inch outside diameter, 1 inch length.
- Feature - Also known as plain bearings or bushings. They are mainly used to guide or reduce friction in linear applications.
- Material - Cast brass bushing still allows high sliding velocity during high temperature and corrosive environments. Has good load capacity and wear resistance.
- Function - Sleeve bearings provide reinforced housings for shafts or fasteners. They also help reduce bore size or replace worn original bushings on wheels.
- Application - Used in various industrial equipment such as electrical equipment, household equipment, printing machines, and machine tools.
- Load and space: SKF’s guide rates its journal-bearing options highly for load capacity relative to compactness, while its rolling-bearing category is rated “Good” on that comparison. These are qualitative ratings in that guide, not universal load limits.
- Motion: SKF’s aerospace guide identifies oscillation and sliding or shaft motion among typical plain-bearing uses. It lists oscillation and limited complete revolutions for the particular rolling-bearing types it covers. Those examples are specialized, not general limits for all bearings.
- Friction and starting torque: These depend on bearing design, material, load, lubrication and motion. SKF’s guide reports low starting rotational torque and very low loaded rotational friction moment for its covered rolling-bearing category, but gives differing values across plain-bearing types.
- Wear and failure: SKF identifies progressive wear as a typical dynamic failure mode for its plain-bearing categories and surface failure for its rolling-bearing category. This is a guide-level generalization, not a predicted failure sequence for a particular part.
- Environment and service: Dust, moisture, chemicals, sealing, lubrication access and maintenance intervals all affect suitability. A design that works in one location or duty may not suit another.
Are all bushings made from the same material?
No. “Bushing” describes a component form, not one material or performance level. SKF’s catalogue lists several constructions, including solid bronze, sintered bronze, wrapped bronze, PTFE composite, POM composite, PTFE polyamide and filament-wound bushings. The material and design influence how a bushing behaves; the catalogue examples do not make any one material universally best. SKF: Bushings.
Some polymer plain bearings are designed with embedded solid lubricants. For example, igus describes that feature for its iglide products and compares them with needle roller bearings. That is a manufacturer-specific product description, not evidence that every polymer bushing can run without external lubrication. igus: Needle roller bearings vs. iglide polymer plain bearings.
Rank #2
- 932 bronze, also known as "Bearing Bronze", is a high strength, high endurance, and general purpose industrial bronze.
- 0.75" Diameter, 12" Length
- 932 is typically used in bushings, thrust washers, bearings, pumps, light duty gears, and valve components.
- Meets ASTM-B505
Do bushings need lubrication?
It depends on the design and operating duty. Some bushings require lubrication; some self-lubricating journal bearings are designed to be maintenance-free. Rolling bearings vary too: SKF’s selection guide lists greased-for-life bearings in its covered category, while SKF’s lubrication guidance explains that lubrication affects friction, wear, corrosion protection and potentially cooling. Check the instructions for the exact component rather than assuming either bearing type is always lubricated—or never needs lubrication. SKF: Basic bearing type selection guide; SKF: Rolling bearings lubrication guidance.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should I check before replacing a bushing or bearing?
The word “bushing” is not enough to identify a replacement. Confirm dimensions and operating requirements, then use the component manufacturer’s sizing and engineering guidance.
Rank #3
- 🌸【What You Will Get】In this kit, you will get 50pcs sleeve bearing in 5 sizes, which are Bore x OD x Length: 6 x 8 x 4MM, 6 x 8 x 10MM, 8 x 10 x 6MM, 8 x 10 x 15MM, 12 x 14 x 20MM, per sizes 10pcs. They are packed well in a transparent box for easy storage and carrying. Sufficient quantity and rich sizes can meet your different installation needs in daily life.
- 🌸【Rich Sizes】Sleeve bearing come with 5 different sizes, which are Bore x OD x Length: 6 x 8 x 4/0.24 x 0.31 x 0.16 inch, 6 x 8 x 10mm/0.24 x 0.31 x 0.39 inch, 8 x 10 x 6mm/0.31 x 0.39 x 0.24 inch, 8 x 10 x 15mm/0.31 x 0.39 x 0.59 inch, 12 x 14 x 20mm/0.47 x 0.55 x 0.79 inch. Rich and common sizes of sleeve bearing can meet most of your daily needs.
- 🌸【Premium Material】Oil free sliding bearings are made of high-quality carbon steel, coated with bronze on the surface, which is wear-resistant, dry resistant, corrosion-resistant, not easy to rust, has good friction performance, strong bearing capacity, low noise, and long service life.
- 🌸【Easy To Use】Oil free bushings are self-lubricating, making them maintenance free, easy to use, and we also provide a separate compartment with a transparent storage box for easy access to the correct size and storage and preservation.
- 🌸【Wide Application】These plain bearings wrapped oil-less bushings are widely used in various fields, such as textile machinery, printing machines, hydraulic loaders, fitness equipment, and agricultural machinery and are suitable for applications with rotational motion and can be used to guide or reduce friction in linear applications.
- Shaft diameter, shaft material and surface finish
- Housing bore and required bearing width or length
- Load direction and magnitude
- Whether motion is rotational, oscillating or linear, plus speed and start-stop behavior
- Misalignment and available space
- Operating temperature and exposure to dust, moisture or chemicals
- Lubrication access, required maintenance interval and sealing needs
Do not infer a part number, load rating or service life from the general distinction between plain and rolling bearings; those depend on the specific machine and operating duty.
Quick Recap
Best Value
- Compatible With: Metal wheel flange bearing bushings compatible with Husqvarna, for Craftsman, for AY-P, for Pou-lan lawn mower weed eater
- Compatible With: Metal wheel flange bearing bushings compatible with 2748 GLS, GT160, GT180, GTH2654, HVGTK180, HVGTV160, 2042 LS, 2146 XLS, 2246 LS, 2346 XLS, 2348 LS, 2354 GXLS, 2748 GLS, 2754 GLS, LT112, LT125, YT120, YT125, YT140, YT161, YTH1120, YTH1542 XP, YTH1848 XPT, YTH2448 T, CT126, CT130, CT131, CT141, CT153, CT154
- Part Number: 532009040, 532124959, 9040H, 5920H, 9040HR, 9040N
- Size: OD: 1-3/8", ID: 3/4", Width: 1"
- Integrated Flange Stop Design:One-piece flange shoulder locks wheel in place, eliminates side-to-side wobble and uneven mowing lines during operation
Rank #4
- ♛【Complete Size Assortment】 This sleeve bearing kit includes 60pcs in 6 most-wanted sizes: 6x8x4mm, 6x8x10mm, 8x10x6mm, 8x10x15mm, 10x12x10mm, and 12x14x20mm. 10 pcs per size — no more missing the size you need. Perfect for repair shops, workshops, and DIYers who want a truly useful bearing bushing assortment. Works great as motor repair replacement parts, feed shaft bushings, and general maintenance.
- ♛【Durable & Precision-Made】 Manufactured to tight tolerances with smooth inner and outer surfaces. Unlike alternatives with rough edges or uneven bores, our bronze bushings are deburred and precision-finished for reliable performance. These premium bushings offer excellent wear resistance for long-term use — a dependable alternative to steel bushings in many repair applications.
- ♛【Self-Lubricating】 Made of high-quality sintered bronze and brass bushing material, these sleeve bearings are vacuum-impregnated with oil. They provide continuous lubrication during operation, reducing friction, wear, and noise. No need for additional greasing — truly maintenance-free. A reliable metal sleeve bushing solution for your equipment.
- ♛【Organized Storage Box】 Comes in a sturdy, transparent divided case — each size has its own compartment. No more digging through a messy bag or losing small parts. The box is compact enough for your toolbox but clear enough to see what's inside at a glance. A complete bearings and bushings solution in one box.
- ♛【Wide Application】 Ideal for electric motors, fans, power tools, 3D printers, RC models, small engines, pumps, conveyors, transmission systems, vehicles, router guides, and general machinery repair. Whether you're a maintenance professional or a hobbyist, this bearing sleeve kit keeps you prepared for unexpected repairs. Can also serve as tower bushings, plateau bushings, or specialized equipment replacements.
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