After the bearing is manufactured and inspected as qualified, it is cleaned and rust proof before being placed in the inner packaging to achieve the goals of waterproofing, moisture-proof, dust-proof, impact resistant, maintaining the quality and accuracy of the bearing, and facilitating use and sales. The packaging of bearings can be divided into two types: inner packaging and outer packaging.

The inner packaging of bearings is divided into three categories according to the rust prevention period:

① Short rust prevention packaging: The rust prevention period is 3-6 months, suitable for bearings that are shipped in large quantities to the same customer and can be put into use in a short period of time. By mutual agreement, based on the principle of convenience of use, simple packaging will be adopted.

② General anti rust packaging: The anti rust period is one year, suitable for general purpose bearings.

③ Long rust proof packaging: with a rust proof period of two years, suitable for special and precision bearings.

The packaging materials for bearings include polyethylene plastic tubes (boxes), kraft paper, plain and wrinkled polyethylene composite paper, paper boxes, polyethylene or polyethylene plastic films, nylon or plastic woven fastening tapes, waterproof high-strength plastic tapes, burlap bags, etc. The above materials must ensure that their corrosion resistance test is qualified.

The principle requirements for the inner packaging method of bearings:

① Micro bearings: Each 10-15 sets of bearings are packed in a plastic cylinder, and every 5-10 plastic cylinders are packed in a paper box (or bag, roll).

② Small and medium-sized bearings:

Multiple sets of bearings are wrapped with polyethylene film inside, kraft paper or polyethylene composite paper outside;

Install multiple sets of bearings into a plastic cylinder (box); A single set of bearings is packaged in polyethylene film bags, folded or sealed before being packed into a paper box.