Gear shaft sleeve

The utility model discloses a gear shaft sleeve, which comprises a cylindrical shaft sleeve body, wherein the shaft sleeve body is provided with a shaft sleeve through hole for inserting a bearing on a gear; the side wall of the shaft sleeve body is provided with an oil addition hole which penetrates through the side wall of the shaft sleeve body; the oil addition hole is used for communicating the shaft sleeve through hole with the outer side of the shaft sleeve body; the shaft sleeve body comprises a steel outer layer and a copper inner layer; the inner side wall of the steel outer layer is attached to the outer side wall of the copper inner layer; and the inner side wall of the shaft sleeve through hole is provided with an annular groove. The outer layer of the gear shaft sleeve is a steel outer layer, the inner layer is a copper inner layer, the friction resistance performance of the inner side of the gear shaft sleeve is high, and the strength of the outer side is high, so that the gear shaft sleeve is more durable and the service life is longer.