10pcs LM16UU 16mm Linear Ball Bearing Bush Bushing 16*28*37mm for DIA. 16mm Linear Shaft Rod DIY CNC 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 : 16*28*37mm, Color : Silver Package content: 10pcs x LM16UU ball bearing