MOBIL SHC 629 lubricant is an exceptional performance gear and bearing oil designed to provide outstanding service in terms of equipment protection, oil life and problem-free operation helping to enable increased customer productivity. MOBIL SHC 629 features excellent low temperature properties, as well as improved air release performance in the lower viscosity grades. This product is resistant to mechanical shear, even in heavily loaded gear and high shear bearing applications, so that there is virtually no loss of viscosity.
MOBIL SHC 629 has low traction coefficients relative to mineral oils which derive from the molecular structure of the base stocks used. This results in low fluid friction in the load zone of non-conforming surfaces such as gears and rolling contact bearings. Low fluid friction produces lower operating temperatures and improved gear efficiency, which translates into reduced power consumption. MOBIL SHC 629 has demonstrated up to 3.6% improvement in energy efficiency in controlled laboratory testing. MOBIL SHC 629 also provides excellent resistance to oxidation and deposit formation at elevated temperatures, as well as exceptional resistance to rusting and corrosion, antiwear, demulsibility, foam control and air release properties, and multi-metal compatibility. This oil maintains good compatibility with seals and other materials used in equipment normally lubricated with mineral oils.
MOBIL SHC 629 lubricant is suitable for use in a wide range of equipment, not only as high temperature problem solvers, but also because of the other benefits they offer.
MOBIL SHC 629 is compatible with most NBR, FKM and most other elastomeric seal materials that are used with mineral oils. There is the potential for substantial variations in the elastomers. For best results, consult your equipment supplier, seal manufacturer, or your local company representative to verify compatibility.
MOBIL SHC 629 is recommended for use in a wide variety of gear and bearing applications where high or low temperatures are encountered or where operating temperatures or bulk oil temperatures are such that conventional lubricants give unsatisfactory life, or where improved efficiency is desired. This oil is particularly effective in applications where the maintenance costs of component replacement, system cleaning and lubricant changes are high. Specific applications require selection of the appropriate viscosity grade and include:
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