Grease OKB-122-7

Grease OKB-122-7 (GOST 18179-72) is a blend of organ silicon liquid and petroleum oil thickened with lithium stearate and ceresin. The main performance characteristics of OKB-122-7 grease are: good conservation, antiwear properties, water resistance, satisfactory coloidal and chemical stability. It is a multipurpose a conservation grease. Grease is efficient  within the temperature range from -40 to + 100°С. It is used in bearings of aircraft electric vehicles, and jig boring machines, precision bearings, precision mechanisms, electric machines.


Physical and chemical indicators of OKB-122-7 grease (GOST 18179-72)

Name of the indicator Norm GOST (TC)
Appearance Homogeneous ointment with smooth structure of light yellow to light brown color
Effective viscosity, Pa·s
 at -50 °C and mean gradient of strain rate 1000 s-1, not less than 1,2
 at - 30 °C and an average gradient of 10 s-1 strain rate, not more than 1800
Colloidal stability of of allocated oil, %, not more than 10,0
Shear strength, PA, at 50 °C, not less than 150
Mass fraction of free alkali calculated as NaOH, %, not more than 0,03
Content of water Absence
Corrosive influence on metals Withstands
Content of mechanical impurities Absence
Evaporability at 100°C, 1H, %, not more than 3,5