ITEM NAME:16 mm SC16UU Linear Ball Bearing Slider Slide Bushing For Replacement CNC #gib Store Home Promotion Hot Item Add to Fav.Model: SC16UU. 1 x SC16UU Ball Bearing Slide Bushing. Shaft ID:16mm. Shaft OD:28mm. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.