4PCS/8PCS 6004-2RS Rubber Sealed Ball Bearing 20x42x12mm Lubricated 6004RS,6004RS 4PCS/8PCS 6004-2RS Rubber Sealed Ball Bearing 20x42x12mm Lubricated, Protection: Rubber Seal on both sides,Model: 6004 2RS, The Luxury Lifestyle Portal Warranty and FREE shipping Leisure Shopping We offer a Satisfaction Guarantee at its best. Lubricated 6004RS 4PCS/8PCS 6004-2RS Rubber Sealed Ball Bearing 20x42x12mm.