The grease VNIINP-260 (GOST 19832-87) is high-viscosity index petroleum oil thickened with a complex soda soap. It contains wear-protective and antioxidizing additives. The grease VNIINP-260 possesses high mechanical and colloid stability.
It is efficient at residual pressure 13.3 Pas and at temperatures from -50 °?…+180 °?. Application is high-speed ball bearings with frequency of rotation to 60000 mines-1.
Appearance and color: —
Effective viscosity, Pas, at 0 °?, not more than: 100
Effective viscosity, Pas, at -50 °C, not more than: —
Strength at 20 °?, Pas, not less than: 100
Drop temperature, °?, not lower than: 200
Colloid stability under load of 300 g, %, not more than: 8
The content of free alkali in recalculation on N???, %, not more than: —
Penetration at 25 °?, mm, 10-1: 320-360
Evaporation at 150 °? within 1 hour, %, not more than: —
Data on operational temperatures represent values, which are guided by a structure of lubricants, and also on a scope and technology of use. Depending on a kind of mechanical-dynamic loading lubricants change the consistence, conditional viscosity or viscosity at various temperatures, pressure and duration of operation. These changes of indicators can affect work of components.
