▎ 摘　　要

NOVELTY - The utility model relates to the technical field of bearing, especially relates to a graphene self-lubricating high speed bearing, comprising an outer ring; the inner centre of the outer ring is provided with an inner ring; between the outer ring and the inner ring is assembled with a plurality of rolling bodies; the front and back two sides between the outer ring and the inner ring are provided with a retainer; the retainer uniformly separates the rolling body; the front end of the inner ring is provided with an oil inlet pipe; the front end of the oil inlet pipe is in threaded connection with a pipe cover; the inner ring is provided with an annular inner groove; the inner wall of the annular inner groove is uniformly provided with multiple oil inlet holes penetrating the outer wall of the inner ring; the inner side of the oil inlet hole is provided with a fixing block in the annular inner groove; the inner part of the oil inlet hole is provided with a hole plug; the inner end of the hole plug is provided with a mounting block; the outer end of the fixing block is provided with a sliding groove; the bottom of the sliding groove is fixed with a connecting block; a spring is fixed between the connecting block and the mounting block; the inner part of the pipe cover is embedded with a sealing ring, the beneficial effects of the utility model are as follows: capable of automatically adding lubricating oil when the bearing is working, and after the bearing stops working, it can avoid the lubricating oil flowing out.