Industrial lubricants

Industrial lubricants

Industry: Industrial machinery

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Industrial lubricants

Nitration

Industrial machinery; Industrial lubricants

Nitration products are formed during the fuel combustion process in internal combustion engines. Most nitration products are formed when an excess of oxygen is present. These products are highly ...

Newtonian fluid

Industrial machinery; Industrial lubricants

A fluid with a constant viscosity at a given temperature regardless of the rate of shear. Single-grade oils are Newtonian fluids. Multigrade oils are NON-Newtonian fluids because viscosity varies ...

Neutralisation number

Industrial machinery; Industrial lubricants

A measure of the total acidity or basicity of an oil; this includes organic or inorganic acids or bases or a combination thereof (ASTM Designation D974-58T)

Needle bearing

Industrial machinery; Industrial lubricants

A rolling type of bearing containing rolling elements that are relatively long compared to their diameter.

National Lubricating Grease Institute (NLGI)

Industrial machinery; Industrial lubricants

A trade association whose main interest is grease and grease technology. NLGI is best known for its system of rating greases by penetration.

Naphthenic

Industrial machinery; Industrial lubricants

A type of petroleum fluid derived from naphthenic crude oil, containing a high proportion of closed-ring methylene groups.

Philtre performance tests in which the contaminated fluid is allowed to recirculate through the philtre for the duration of the test. Contaminant is usually added to the test fluid during the test. ...