Service Life>50000KM:The bearings and thermoplastic structure are designed to meet strict manufacturing tolerances, which provide high durability and high quality performance. Typically, the service life is not less than 50,000 kilometers per year
High Temperature Resistance: The outer ring plastic is made of PA66+30GF, with a glass fiber texture on the surface, which can withstand the high temperature under the hood
Eliminate Noise: 4891720AA bearing meet or exceed OE standards is manufactured with precision-sealed, high-grade components and filled with industrial-grade lubricant,to eliminate bearing noise