... evenly distribusted oil holes. The oil hole... The solid lubricant Inlaid bushing and bearing are made by drilling evenly ... holes. The oil hole will be filled with solid lubricant to decrease thefriction between. The material of the bushing ... , metallurgy equipment, industry machinesetc. Feature:1. Suitable for no lubricant working condition2. Excellent anti-abrasion, low friction coefficient. 3. Good ...