Mobil Centaur XHP 461 is recognized for its high quality and reliability, as well as performance capabilities. This  product is manufactured to the strictest quality standards.  Mobil Centaur XHP 461 is formulated with high-performance calcium sulfonate thickener technology and is specifically designed for steel and papermill applications. Mobil Centaur XHP 461 offers the following benefits:

  • Excellent extreme-pressure protection and load-carrying ability for equipment protection under heavy and shock loading
  • Excellent high temperature oil bleed control
  • Reliable bearing lubrication for operations up to 232 C (450 F) with proper re-greasing intervals
  • An advanced polymer additive package which resists water washout
  • Ability to absorb free water, without losing thickener consistency
  • Extended re-grease intervals, reducing grease consumption 


Mobil Centaur XHP 461 is recommended for heavily loaded and water saturated applications in the steel and paper mill environments. Specific examples of such applications include:

  • Ladle turret bearings
  • Continuous casters
  • Hot rolling work roll bearings
  • Roll necks
  • Couch, press and breast rolls
  • Wood pellet mill roll bearings


Mobil Centaur XHP 460 Series meets or exceeds the requirements of 461
DIN 51825: (2004-06) KPF1K-20

Typical Properties

Mobil Centaur XHP 460 Series 461
NLGI Grade 1
Thickener Type Calcium Sulfonate
Color, Visual Amber
Penetration, Worked, 25 C, ASTM D 217 315
Dropping Point, C, ASTM D 2265 275
Viscosity of Oil, ASTM D 445
cSt @ 40 C 460
4-Ball Weld Test, ASTM D 2596, Weld Point Kg 400
4-Ball Wear, ASTM D 2266, 40kg, 1200 rpm, mm 0.60
Water Washout, ASTM D 1264 1 hr. @ 79 C, % 1.0
Water Spray resistance, ASTM D 4049, mass % 25


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