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A bearing is a machine element that constrains relative motion between moving parts to only the desired motion. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts. Bearings are classified broadly according to the type of operation, the motions allowed, or to the directions of the loads (forces) applied to the parts.
The term "bearing" is derived from the verb "to bear"; a bearing being a machine element that allows one part to bear (i.e., to support) another. The simplest bearings are bearing surfaces, cut or formed into a part, with varying degrees of control over the form, size, roughness and location of the surface. Other bearings are separate devices installed into a machine or machine part. The most sophisticated bearings for the most demanding applications are very precise devices; their manufacture requires some of the highest standards of current technology.
Products name | Cylindrical roller bearing |
Brand name | SKF NSK NTN TIMKEN KOYO IKO |
Model | N206 |
ID size | 30*62*16mm |
Cage material | Brass Nylon |
Precision | PO P6 P5 P4 |
Quality standard | ISO9001:2000 standard |
Service | OEM service |
Delivery date | Normally ready goods and stock within 20 days |
Payment terms | A:100% L/C at sight B: 30% T/T in advance .70% against copy of B/L |
Application | Auto, tractor ,machine tool, electric machine, agricultural machinery and textile machinery |
Package | Export standard package or according to the clients’ requirement |
N206 NSK SKF NTN Cylindrical roller bearings