Mobilgrease 28 (MIL-PRF-81322G)

Mobilgrease 28 grease (MIL-PRF-81322G) – the first synthetic product Mobil™ offered – has been trusted for more than 50 years. With a 10-year shelf life, it offers more than three times the life of similar-type competitive greases.
 
Mobilgrease 28 is the polyalphaolefin (PAO), clay-based multipurpose airframe and wheel bearing grease of choice for many aircraft operators around the world. It is designed to lubricate plain and rolling bearings at low to high speeds, and splines, screws, worm gears and other mechanisms where high-friction reduction, low-wear and low-lubricant friction losses are required.

FEATURES AND BENEFITS

High viscosity index (VI) synthetic base stock with no wax content

Allows wide operating temperature range - outstanding high and low temperature performance

Excellent protection against wear and corrosion

Superb bearing protection and helps extend bearing life and reduce bearing replacement costs

Extreme-pressure protection characteristics

Avoids excessive wear, even under shock load

High thermal/oxidative stability

Long relubrication intervals

High resistance to water washout

Maintains excellent grease performance in adverse weather and other water-exposure conditions

Compatibility

Compatible with most seals, gaskets, and elastomeric materials used in aviation

Specifications & Approvals

Specification
MIL-PRF-81322G
NATO G-395
MIL-PRF-24508B

Applications

Mobilgrease 28 is designed for the lubrication of plain and rolling bearings at low to high speeds, and splines, screws, worm gears, and other mechanisms where high friction reduction, low wear, and low lubricant friction losses are required. The recommended operating temperature range is -54ºC to 177ºC (-65ºF to 350ºF) with appropriate relubrication intervals.

  • Gears, actuators, jack screws
  • Helicopter rotor bearings
  • General airframe (splines, slats, stabilizers, elevators)
  • Landing gear assemblies
  • Flight controls
  • Aircraft wheel bearings

Data Sheets

Too See Mobilgrease 28 grease technical data sheet (TDS) and the Mobilgrease 28 grease safety data sheet (SDS). Visit here 

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