Polyurea High-Temperature Grease, Long-Life for Medium-High Speed Rolling Bearing High-Temp Motor Kiln
This polyurea high‑temperature grease is a non‑soap high‑performance lubricating grease adopting synthetic or refined mineral base oil and polyurea thickener. It features outstanding thermal‑oxidative stability, excellent mechanical shear resistance and low coking tendency. The grease resists hardening at sustained high‑temperature, extends relubrication intervals, and offers durable lubricating protection for medium‑high‑speed rolling bearings, high‑temperature motor bearings and industrial kil
Product DetailsPolyurea High‑Temperature Grease, Long‑Life for Medium‑High Speed Rolling Bearing High‑Temp Motor KilnThis polyurea high‑temperature grease is compounded with carefully selected base oil, polyurea organic thickener and balanced anti‑oxidant, anti‑wear and anti‑rust additives. Unlike conventional soap‑thickened greases, the polyurea thickener does not readily decompose under continuous thermal exposure. It maintains a stable three‑dimensional grease network, effectively restraining oil separation and reducing the formation of hard carbon deposits at elevated operating temperatures.
When used for medium‑high‑speed rolling bearings of high‑temperature electric motors, the grease forms a uniform lubricating film on raceways, rolling elements and cages. It withstands continuous shear generated by high‑speed rotation and dissipates frictional heat. Excellent oxidation resistance slows grease ageing inside motor bearing housings, prolonging bearing service life and reducing the frequency of equipment shutdown for re‑lubrication.
For bearing assemblies fitted on industrial kiln conveyors, roller supports and kiln outlet transfer mechanisms, the grease is exposed to radiant heat, fluctuating temperatures and fine kiln dust. It maintains its lubricating property under intermittent thermal cycling and minimizes the build‑up of coking residues on bearing surfaces. The anti‑rust additive system provides protection against moisture condensation that occurs when hot kiln components cool down during equipment shutdown periods.
This grease is applicable for initial factory filling as well as maintenance re‑greasing of high‑temperature motor bearings, fan bearings, kiln roller bearings and other medium‑high‑speed industrial rolling bearings. The filling amount inside bearing housings must be strictly controlled. Excessive grease filling will result in churning heat during rotation, raising operating temperature and shortening the expected long‑life service cycle.
Do not mix polyurea grease with lithium‑based, sodium‑complex or calcium‑based greases. Incompatible blending will disrupt the polyurea thickener structure, trigger oil bleeding and significantly degrade high‑temperature service performance. Store in tightly sealed original containers within cool, dry indoor warehouse. Avoid prolonged high‑temperature storage to preserve original paste consistency and oxidation stability for medium‑high‑speed rolling bearings, high‑temperature motors and industrial kiln equipment.
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