GREASE COMPOSITION AND GREASE FOR WHEEL BEARING

摘要

PURPOSE: A grease composition and grease for a wheel bearing are provided to offer the heat hardening property and the shear softening property of the grease for the leakage prevention. CONSTITUTION: A grease composition contains the following:70~85wt% of base oil including petrolatum, synthetic oil, or their mixture; 7~15wt% of thickener containing aliphatic diurea and alicyclic diurea in a ratio of 1:2.2~2.4; and 5~15wt% of additive.