Dustproof and oil leakproof structure of bearing

摘要

A dustproof and oil leakproof structure of a bearing includes a shaft seat having a bearing provided therein, and a rotation shaft rotatably mounted in the bearing. The characteristic is in that, a race is formed with a hole that is closely combined on the rotation shaft located above the bearing, and a circumferential edge of the race is in almost or slightly contact with the inner wall of the shaft seat.