5x11x4mm Ceramic Ball Bearings 5 pack – MR115 Bearing – 5x11mm Bearing
World Champion ACER Racing 5x11mm Ceramic Ball Bearings 5 pack. These are 5x11x4mm ceramic ball bearings also known as a size MR115 bearing. 5mm inner diameter x 11mm outer diameter x 4mm width. HSR inner cage technology for constant performance at high speeds. Sealed on both sides for superior protection against the elements. Lightweight and diamond polished ceramic balls for super fast, super smooth action. Oiled with lightweight 100% synthetic SIN oil. FREE USA Shipping