Spherical Roller Bearings meet the requirements of industries of Texile,Metallurgy,paper_making,Environmental Protection,Mining. Special package ----- vacuum plastic bag For the Inner diameter within 100mm of Roller Bearings,we will coated them with Vaccuun plastic bag .when you carry the bearings ,we are sure it wont dirt your hands ;And it protects the bearings well from the rust and dust , ...