if the bearing you bought is fake, you have the right to ask the seller for a return or refund. The following are the specific steps:

1. Contact the seller: First of all, you should contact the seller to explain that the bearing you bought is fake and ask for a return or refund. If the seller agrees to return or refund, it can be handled according to the agreement.

2. provide evidence: if the seller does not agree to return or refund, you need to collect evidence to prove that the purchased bearing is fake. For example, you can take photos or videos to prove that the packaging bags, labels and trademarks of bearings are different from the genuine ones. You can also ask the local authority to identify the bearing and issue an identification certificate.

3. Complaint: If the seller still refuses to return the goods or refund, you can complain to the relevant departments. For example, you can complain to local consumer associations, industrial and commercial administrative departments, quality supervision departments, etc. When making a complaint, you need to provide evidence that the bearing you bought is fake and ask for a refund or refund. The relevant departments will investigate and verify the complaint, and if it proves that your complaint is true, they will ask the seller to return it or refund it.