Plain Bearings
A plain bearing, or more commonly sliding bearing and slide bearing (in railroading sometimes called a solid bearing, journal bearing, or friction bearing[citation needed]), is the simplest type of bearing, comprising just a bearing surface and no rolling elements. Therefore, the journal (i.e., the part of the shaft in contact with the bearing) slides over the bearing surface. The simplest example of a plain bearing is a shaft rotating in a hole. A simple linear bearing can be a pair of flat surfaces designed to allow motion; e.g., a drawer and the slides it rests on or the ways on the bed of a lathe.
Plain bearings, in general, are the least expensive type of bearing. They are also compact and lightweight, and they have a high load-carrying
![AST ASTT90 3520 plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21504-ast-astt90-3520-plain-bearings.jpg)
- AST ASTT90 3520 plain bearings
- Normal Duty
- Setscrew Ball Bearing
![20 mm x 35 mm x 24 mm LS GEEM20ES-2RS plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21502-20-mm-x-35-mm-x-24-mm-ls-geem20es-2rs-plain-bearings.jpg)
- 20 mm x 35 mm x 24 mm LS GEEM20ES-2RS plain bearings
- Normal Duty
- Setscrew Ball Bearing
![SKF SIJ50ES plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21500-skf-sij50es-plain-bearings.jpg)
- SKF SIJ50ES plain bearings
- Normal Duty
- Eccentric Collar Ball Bearing
![AST ASTT90 20070 plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21507-ast-astt90-20070-plain-bearings.jpg)
- AST ASTT90 20070 plain bearings
- Normal Duty
- Setscrew Ball Bearing
![INA GE30-FO-2RS plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21505-ina-ge30-fo-2rs-plain-bearings.jpg)
- INA GE30-FO-2RS plain bearings
- Normal Duty
- Grip Tight Ball Bearing
![AST GEC380HT plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21501-ast-gec380ht-plain-bearings.jpg)
- AST GEC380HT plain bearings
- Medium Duty
- Setscrew Ball Bearing
![AST AST800 2420 plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21508-ast-ast800-2420-plain-bearings.jpg)
- AST AST800 2420 plain bearings
- 120 mm
- 180 mm
![AST AST850SM 11060 plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21509-ast-ast850sm-11060-plain-bearings.jpg)
- AST AST850SM 11060 plain bearings
- Normal Duty
- Setscrew Ball Bearing
![IKO SNPT 3/8-70 plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21506-iko-snpt-3-8-70-plain-bearings.jpg)
- IKO SNPT 3/8-70 plain bearings
- Normal Duty
- Grip Tight Ball Bearing
![19.05 mm x 22,225 mm x 15,88 mm INA EGBZ1210-E40 plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21502-19-05-mm-x-22-225-mm-x-15-88-mm-ina-egbz1210-e40-plain-bearings.jpg)
- 19.05 mm x 22,225 mm x 15,88 mm INA EGBZ1210-E40 plain bearings
- Normal Duty
- Setscrew Ball Bearing
![280 mm x 400 mm x 200 mm SKF GEP280FS plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21500-280-mm-x-400-mm-x-200-mm-skf-gep280fs-plain-bearings.jpg)
- 280 mm x 400 mm x 200 mm SKF GEP280FS plain bearings
- 315 Series
- Expansion
![101,6 mm x 158,75 mm x 88,9 mm NTN SA2-64B plain bearings](https://m.nec-itsolutions.com/uploaded_images/d21502-101-6-mm-x-158-75-mm-x-88-9-mm-ntn-sa2-64b-plain-bearings.jpg)
- 101,6 mm x 158,75 mm x 88,9 mm NTN SA2-64B plain bearings
- Medium Duty
- Setscrew Ball Bearing