Uxcell a14041400ux1070 2Pcs LM6LUU 6mm Shaft Dia Double Wide Sealed Linear Motion Bearing, 0.47" width, 0.24 Metal Product Name : Linear Ball Bearing; Type : LM6LUU;Shaft Dia. : 6mm / 0.24" Outer dia.: 12 mm/ 0.47"; outer locking groove length: 27 mm/ 1.1"; total length: 35 mm/ 1.4" Basic rating: dynamic: 33Cnstatic: 54Con; color: silver tone