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Mobil Unirex N 3
High Temperature Bearing Grease
UNIREX N 3 fats are premium products based on a lithium complex thickener. They are suitable for high operating temperatures in rolling bearings. These versatile greases can be used in a wide range of industrial applications and are particularly recommended for the lubrication of electric motors.
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Product Description UNIREX N3
UNIREX N 3 greases are premium-quality, lithium-complex products suitable for high-temperature service in rolling-element bearings. These versatile greases can be used in a wide range of industrial applications and are particularly recommended for electric-motor lubrication. Unirex N 3 in an NLGI No. 2 grade and is preferred in most cases for application by hand packing or by grease gun. UNIREX N 3 is an NLGI No. 2 grade often used for special applications such as sealed-for-life electric motor bearings, vertically mounted bearings, and higher-speed applications. UNIREX N 3greases are not intended to be used under extreme pressure conditions where extra anti-welding properties are required. UNIREX N 3 meets the requirements of Lubricating Grease DIN 51825 – K2N – 20L and ISO L-XBDHA 2.
Main Applications UNIREX N3 are
UNIREX N 3 is an NLGI No. 3 grade and is used for special applications such as sealed-for-life bearings, vertically-mounted bearings, and higher-speed bearings. Most of the uses for UNIREX N involve manual methods of application. Although UNIREX N 3 is suitable for use in automatic centralized systems, equipment served by these systems would normally not require the long-life properties of UNIREX N 3, since one of the functions of automatic systems is to replenish the lubricant at relatively short time intervals. UNIREX N 3 should not be used in such systems.
Features and benefits of UNIREX N3
Unirex N greases exhibit excellent high and low temperature performance, resistance to water and corrosion, and long service life in a range of bearing applications.
| Features | Advantages and Potential Benefits |
|---|---|
| Excellent high-temperature performance | Lithium-complex thickener resists softening / running out of bearings at temperatures up to 190°C |
| Outstanding grease life | Laboratory bearing rig tests show outstanding continuous lubrication performance at bearing temperatures of up to 140°C |
| Very good low-temperature characteristics | Start-up power requirements are low at temperatures down to at least -20°C. Meets DIN 51825 low temperature torque requirements at -20°C |
| Excellent mechanical stability | Exhibits excellent resistance to softening due to mechanical working |
| Excellent water and corrosion resistance | Resists water washout and protects bearings against corrosion |
| Excellent performance in high-speed applications | Channelling characteristics provide excellent performance in high- speed deep-groove ball bearings. Unirex N3 is recommended where DmN (mean bearing diameter X rpm) exceeds 360,000 |
Specifications, Approvals & Recommendations
| DIN 51825: (2004-06) K3N-20L |
If you have any questions, please contact Procare Technical Helpdesk
Health, Safety & Environment of UNIREX™ N3
Health and Safety
UNIREX™ N3 Guidance on Health and Safety is available on the appropriate Material Safety Data Sheet.
Protect the enviroment
Take used UNIREX™ N3 to an authorised collection point. Do not discharge into drains, soil or water
Typical Physical Characteristics of UNIREX™ N3
| UNIREX N3 | |
|---|---|
| Thickener Type | Lithium-complex |
| NLGI Grade | 3 |
| Color, Visual | Green |
| Texture | Smooth, Buttery |
| Dropping Point, ASTM D 2265, °C | 230 |
| Base Oil Viscosity, ASTM D 445, cSt @ 40°C | 115 |
| Base Oil Viscosity Index, ASTM D 2270 | 95 |
| Penetration, worked 60 stokes, ASTM D 217, mm/10 | 235 |
| Penetration change after 100,000 strokes, ASTM D 217, mm/10 | 30 |
| Oil Separation, ASTM D 6184, mass % @ 100°C / 30 hrs | 0.6 |
| EMCOR Corrosion , ASTM D 6138 (Distilled Water), rating | 0,1 |
| Water Washout @ 79°C, ASTM D 1264, mass % | 3.5 |
What are Mobil Unirex N 3 Grease and what are its benefits?
Mobil Unirex N 3 Grease is a high-performance lubricant used in a wide range of applications, including rolling bearings, plain bearings, couplings, seals and other machine components. It is specially designed for use under heavy loads, high temperatures and extreme conditions. It provides excellent protection against wear, corrosion and oxidation, resulting in longer machine life and reduced maintenance. In addition, it is resistant to water, dirt and dust, making it suitable for use in wet or dirty environments.
How should Mobil Unirex N 3 Grease be stored and what is its shelf life?
Mobil Unirex N 3 Grease should be stored in a clean, dry and well-ventilated area at a temperature between 0 °C and 40 °C. It should be protected from direct sunlight and extreme temperatures. It is important to prevent water or contaminants from getting into the lubricant as this may reduce its performance. Mobil Unirex N 3 Grease has a shelf life of up to two years from the date of manufacture, provided it is stored properly and the packaging has not been opened. After opening, the lubricant should be used within six months to ensure best performance.
Where to buy Mobil Unirex N 3 Grease?
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