BEARING INDUSTRIA CUSCINETTI S.P.A.

NSK 6200 Bearing

 

Plain bearings,Bushings

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 capacity.

Integral plain bearings are built into the object of use as a hole prepared in the bearing surface. Industrial integral bearings are usually made from cast iron or babbitt and a hardened steel shaft is used in the bearing.

Integral bearings are not as common because bushings are easier to accommodate and can be replaced if necessary.Depending on the material, an integral bearing may be less expensive but it cannot be replaced. If an integral bearing wears out, the item may be replaced or reworked to accept a bushing. Integral bearings were very common in 19th-century machinery, but became progressively less common as interchangeable manufacture became popular.

For example, a common integral plain bearing is the hinge, which is both a thrust bearing and a journal bearing.

12 mm x 14 mm x 15 mm  skf PCM 121415 M Plain bearings,Bushings
12 mm x 14 mm x 15 mm skf PCM 121415 M Plain bearings,Bushings
N/A
QM INDUSTRIES
14 mm x 16 mm x 25 mm  skf PCM 141625 E Plain bearings,Bushings
14 mm x 16 mm x 25 mm skf PCM 141625 E Plain bearings,Bushings
Take Up
Take Up Unit Bearing
65 mm x 80 mm x 35 mm  skf PBMF 658035 M1G1 Plain bearings,Bushings
65 mm x 80 mm x 35 mm skf PBMF 658035 M1G1 Plain bearings,Bushings
3.346 Inch | 85 Mill
Yes
70 mm x 75 mm x 40 mm  skf PRMF 707540 Plain bearings,Bushings
70 mm x 75 mm x 40 mm skf PRMF 707540 Plain bearings,Bushings
Mounted Units &
M06288
16 mm x 22 mm x 12 mm  skf PBMF 162212 M1G1 Plain bearings,Bushings
16 mm x 22 mm x 12 mm skf PBMF 162212 M1G1 Plain bearings,Bushings
PT INTERNATIONAL
Mounted Units &
12,7 mm x 15,081 mm x 12,7 mm  skf PCZ 0808 M Plain bearings,Bushings
12,7 mm x 15,081 mm x 12,7 mm skf PCZ 0808 M Plain bearings,Bushings
2.165 Inch | 55 Mill
Steel
12 mm x 14 mm x 15 mm  skf PCM 121415 E Plain bearings,Bushings
12 mm x 14 mm x 15 mm skf PCM 121415 E Plain bearings,Bushings
8.119
Spherical Roller Bea
10 mm x 16 mm x 8 mm  skf PSM 101608 A51 Plain bearings,Bushings
10 mm x 16 mm x 8 mm skf PSM 101608 A51 Plain bearings,Bushings
Set Screw
Inch
32 mm x 36 mm x 30 mm  skf PRM 323630 Plain bearings,Bushings
32 mm x 36 mm x 30 mm skf PRM 323630 Plain bearings,Bushings
N/A
Bearings
4 mm x 10 mm x 8 mm  skf PSM 041008 A51 Plain bearings,Bushings
4 mm x 10 mm x 8 mm skf PSM 041008 A51 Plain bearings,Bushings
Cone
TIMKEN
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Plain bearings,Bushings
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