SBR16-900mm 2 linear rail+ballscrew RM1605-950mm+1 set BK/BF12 end bearing CNC,bearing CNC SBR16-900mm 2 linear rail+ballscrew RM1605-950mm+1 set BK/BF12 end, SBR16-900mm(2 fully-supported rails 4 SBR16UU bearing blocks),1set BK12 fixed side and BF12 floated side end support bearing, 1pc 6,35mm (motor shaft) x 10mm (ballscrew end shaft) couplings, Price Comparison Made Simple Save 20% on Your First Order Online shopping at To discounted price! end bearing CNC SBR16-900mm 2 linear rail+ballscrew RM1605-950mm+1 set BK/BF12.