Wide-Temperature Silicone-Lithium Grease NLGI 2 CAS 63148-62-9, -73~180℃ for Power Tool Motor Bearing Low-Temp Start
This NLGI 2 silicone‑lithium grease is a high‑performance wide‑temperature lubricant thickened by lithium‑soap with silicone synthetic base oil. It maintains proper fluidity under extreme cold conditions and resists softening at high operating temperatures. Formulated for power tool motor rolling bearings, it lowers cold‑start friction torque, suppresses wear during intermittent high‑speed rotation, and extends bearing service life across the full‑range operating temperature of‑73℃ to 180℃.
Product DetailsWide‑Temperature Silicone‑Lithium Grease NLGI 2 CAS 63148‑62‑9, -73~180℃ for Power Tool Motor Bearing Low‑Temp StartThis silicone‑lithium grease is produced from high‑quality silicone synthetic base fluid, lithium‑soap thickener plus anti‑oxidation and anti‑wear additives. It reaches NLGI 2 consistency delivering medium‑firm paste texture. The base oil retains low viscosity at sub‑zero temperatures, while the lithium soap thickener stabilizes the grease matrix at elevated temperatures to mitigate centrifugal throwing‑off when bearings spin at high speeds.
When applied inside power‑tool motor rolling bearings, the grease builds a continuous boundary lubricating film over raceways, rolling elements and bearing cages. In frigid working environments, the grease does not stiffen significantly, which keeps bearing starting torque low. It reduces mechanical shock and overload on motor components during cold startup. Under continuous running conditions, frictional heat raises bearing temperature; the grease still maintains its paste structure and avoids splashing out from the bearing housing.
Effective antioxidant additives slow thermal‑oxidative degradation during frequent start‑stop cycling typical for handheld power tools. The grease exhibits good compatibility with bearing alloy steel, copper motor windings, and engineering‑plastic bearing cages. It will not trigger metal corrosion or premature ageing of plastic cage parts.
Primary application includes initial filling of motor bearings during power‑tool mass assembly, and re‑lubrication during after‑sales maintenance for electric grinders, electric drills and other portable power‑tool equipment. Avoid over‑filling bearing cavities; excessive grease volume will create extra viscous drag and cause undesirable temperature rise during high‑speed rotation.
Do not mix this silicone‑lithium grease with mineral‑oil‑based greases. Incompatible blending will damage the thickener network and degrade both low‑temperature fluidity and high‑temperature structural stability. Store in tightly sealed original containers inside cool, dry warehouse. Keep away from direct sunlight and long‑term high‑temperature storage to retain NLGI‑2 consistency and consistent low‑temperature‑start lubricating performance for power‑tool motor bearings.
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Wide-Temperature Silicone-Lithium Grease NLGI 2 CAS 63148-62-9, -73~180℃ for Power Tool Motor Bearing Low-Temp Start
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