Mobil Polyrex EM (55 Gal. Drum)

SKU
XOM124047
$2,563.54
Mobil 124047 https://d2706ruq7qkfdn.cloudfront.net/media/catalog/product/cache/image/265x265/dd2dbd78acb262d17201d02bb7ab5f93/m/o/mobil_polyrex_em_drum.png

Engineered to boost bearing protection and performance for extended electric motor life, Mobil Polyrex EM grease is highly recommended for lubrication of electric motor ball bearings and roller bearings. This NLGI Grade 2 grease provides exceptional, long-lasting high-temperature lubrication and excellent protection from corrosion and rust. The advanced polyurea thickener formulation and proprietary manufacturing techniques of Mobil Polyrex EM makes it highly suitable for lubrication of ball or roller bearings in many noise-sensitive applications, and it provides additional protection under mild saltwater wash conditions. Primary applications of Mobil Polyrex EM include electric motor bearings; high-temperature pump bearings; factory-filled, sealed-for-life ball bearings; fin fan bearings; or roller bearings operating at elevated temperatures where low oil separation is required.

Product Data Sheet

Mobil Polyrex EM and Mobil Polyrex EM 103 offer the following features and benefits:

Features Advantages and Potential Benefits
Outstanding grease life Outstanding long-life, high-temperature lubrication of ball and roller bearings, particularly in sealed-for-life applications
Advanced polyurea thickener Increased durability versus conventional polyurea greases when subjected to mechanical shear forces
Excellent corrosion resistance Mobil Polyrex EM and Mobil Polyrex EM 103 provide protection against rust and corrosion. Mobil Polyrex EM provides additional protection under mild salt-water wash conditions versus Polyrex EM 103
Low-noise properties Mobil Polyrex EM is suitable for lubrication of ball bearings in many noise-sensitive applications

Mobil Polyrex EM greases are recommended by many major bearing and electric motor manufacturers for long-life lubrication of electric motor ball and roller bearings.

Mobil Polyrex EM 103 is more specifically recommended for applications such as vertically mounted bearings, or very large motors where a stiffer grease consistency may be required by the OEM, and low noise properties are not required.

Mobil Polyrex EM greases have been shown to be compatible with a number of ExxonMobil lithium complex greases, as well as competitive electric motor mineral polyurea products, as determined by the methodology of ASTM D6185. For specific questions about grease compatibility, contact your Mobil representative.

Key applications include:

  • Electric motor bearings
  • Fin fan bearings
  • High-temperature pump bearings
  • Factory-filled, sealed-for-life ball bearings
  • Ball or roller bearings operating at high temperatures where low oil separation is required
  • Mobil Polyrex EM for ball or roller bearings operating in noise sensitive environments
Mobil Polyrex EM meets or exceeds the requirements of: Mobil Polyrex EM Mobil Polyrex EM 103
DIN 51825: (2004-06) K2P-20
Mobil Polyrex EM Mobil Polyrex EM 103
NLGI Grade 2 3
Color Blue Blue
Base Oil Viscosity, ASTM D 445
cSt @ 40°C 115 115
cSt @ 100°C 12.2 12.2
Viscosity Index, ASTM D 2270 95 95
Penetration, ASTM D217 worked, 60x, mm/10 285 250
Penetration Change after 100.000 strokes, ASTM D217, mm/10 40 40
Dropping Point, ASTM D 2265, °C (°F) 260 270
Oil separation test, ASTM D 1742, % 0.5 0.1
High Temperature Grease Life, ASTM D 3336, Hours @ 177°C 750+ 750+
4-Ball Wear Scar, ASTM D 2266, @ 40kg, 1200 rpm, 75°C, 1 hr, mm 0.41 0.6
Low Temperature Torque, ASTM D 1478, g-cm @ -29°C
Starting 7500 9300
Running 800 1000
EMCOR Corrosion Performance, 10% Synthetic Sea Water ASTM D 6138 (Prepared As Per ASTM D 665B) 0,1 (No Rust)
Rust Protection, ASTM D 1743, Distilled Water Pass Pass
Copper Corrosion Resistance, ASTM D 4048 1A 1A
Water Washout, ASTM D 1264, % 1.9 0.8
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