When two non-lubricated surfaces rub against each other, the uneven peaks of the two surfaces are subject to shear, local bonding and plastic deformation causing friction and wear. Traditional lubricants can significantly reduce these effects. However, at a pause, especially under large load conditions, lubricating oil and grease are pressed out to form boundary lubrication or dry friction. The JDB-650 lubrication source comes from the material itself. Once the bearing undergoes microscopic movement, the solid lubricating material is prone to layered slip under the action of extrusion deformation or friction. Therefore, a solid lubricating film is formed on the sliding surface. This film has low shear strength and can still adhere firmly to the bearing surface even under large static load conditions without easy breaking. This embedded solid lubricant can continuously provide solid lubricant to the friction surface, reducing friction resistance and wear, so that the bearing can operate for a long time at a lower wear rate.