Eachine Lm12uu 12mm Rubber Sealed Shielded Linear Ball Bear Bearing

Description: LM12UU 12mm Rubber Sealed Shielded Linear Ball Bear Bearing Deep groove ball bearings. These bearings are pre-lubricated with grease. Specifications: Type: LM12UU Materal:Steel, Metal Outer Diameter:21mm Inner Diameter:12mm Thickness:30mm Package Included: 1 x Bearings