10pcs LM8LUU 8mm Long Type Linear Ball Bearing Bush Bushing 8*15*45mm for DIA. 8mm linear shaft rod DIY CNC Long Type Linear bearing ball cage, hardened coat of both ends ring. Bearing various parts of the size is standardized, interchangeable, no worry if replacement of worn Low noise even in high-speed operation. Size : 8*15*45mm(0.215*0.59*1.77 inch),Color : silver Package content: 10pcs x LM8LUU ball bearing