ITEM NAME:Aluminium nickel rodamientos thrust bearing 8mm bearing bushing Sc8v for shaft Z Specifications: Material:Bearing steel and aluminum Color:As Picture Model:SC8V Mounting screw: M4 Suitable for shaft dia: 8mm Top length: 15.4mm Size:2.4x3.4x2.2CM/0.94x1.34x0.87inch(LxWxH) Package include: 1 x Linear Ball Bearing Block.Suitable for shaft dia: 8mm. Material:Bearing steel and aluminum. 1 x Linear Ball Bearing Block. Mounting screw: M4. Top length: 15.4mm.