Bushings (a.k.a. Plain Bearings and Sleeve Bearings)
Bushings (also referred to as plain bearings, plane bearings, or sleeve bearings) operate with sliding motion between the moving surfaces. Bushings are selected based on the rotating speed and the applied load. Maintenance-free bushings do not require additional lubrication to operate. AST supplies more than 3,000 different high-quality bushing models made from a variety materials including all metal, plastics, and composite materials.
AST’s bushings can be divided into three main categories based upon lubrication and material makeup. Click on any of the below to read more about them:
If you already know which type of bushing is right for your application, you can quickly navigate to it below for more information:
Composite Self-Lubricating Bushings / Plain Bearings
- AST11 - Bronze backed, Bronze with PTFE Series
- AST20 - Steel Shell with POM Plastic Liner
- AST40 - Steel Bronze with PTFE/Fiber Series
- AST50 - Steel shell, Bronze powder with PTFE fiber
Metallic Self-Lubricating Bushings / Plain Bearings
- AST090 - Wrapped Bronze Series
- ASTT90 - Wrapped Bronze with thru holes Series
- AST650 - Cast Bronze with solid lubricant plugs
- AST800 - Bimetal Wrapped Steel with Bronze Series
- AST850BM - Metal Backed Bronze Powder and Solid Lubricants
- AST850SM - Metal Backed Bronze Powder and Graphite Series
Plastic Compound Bushings / Plain Bearings
If you need help in selecting the best products for your particular application, please remember that design engineering and application assistance are available from AST as part of our value-added services designed to make your job easier.
Bushing (Plain Bearing) White Papers and Articles
There are a number of technical papers on this website found in our Resource Center about bushings (plain bearings). Some of them are listed below:
- Bushings - General Overview
- Bushings - Nomenclature and Numbering System
- Bushings - Tolerances
- Bushings - Clearance
- Bushings - Lubrication
- Bushings - Fitting and Mounting
- Bushings - Load and Life Ratings
Bushings Online Catalog
AST Bearings' comprehensive bushings catalog (plain bearings catalog) contains detailed specifications and 3D CAD models for 3,278 different bushings in 12 categories. Click here to go to our online catalog and product specifier for all of our bushing bearings including free 3D CAD model downloads.
