Sealed bearing of sustainable lubrication

(B, ) the utility model relates to a bearing field, concretely relates to sealed bearing of sustainable lubrication. It includes: the inner circle, outer lane, holder, sealing washer, ball, holder, sealing washer are all installed between inner circle and outer lane, the ball is installed in the holder, the quantity of sealing washer is two, installs respectively and seals up the both sides at the holder, the sealing washer is including steel skeleton and kiss -coating, evenly set up more than one on the steel skeleton and annotated the fat hole, the kiss -coating covers to be annotated the fat hole and covers the steel skeleton simultaneously. This sealed bearing annotates the fat hole through evenly set up more than one on the steel skeleton to cover annotating the fat hole by the kiss -coating, under the prerequisite of not destroying this sealed bearing, directly annotating fat through annotating the fat hole, annotate fat and accomplish the back kiss -coating and can kick -back automatically, guarantee good leakproofness simultaneously, the secondary notes fat of having realized sealed bearing is sustainable notes grease lubrication just, realizes sealed bearing's under the specific condition notes fat requirement, and is simple and convenient. (B, )