●Since it is a type that set screws caulked to the JIS bearing, loosening of screw and bearing will not occur.●For various transport parts, machinery, equipment and so on.●Bearing:6200ZZ●Outer Diameter (mm):30●Roller Screw Dimension:M8 x 1.25●Screw Length (mm):12●Width (mm):9●Head Thickness (mm):3.5●Hexagon Socket (mm):6.0●Approximate load (N):500●Precision Grade: JIS B 1514 0 class●Working Temperature Range: -40 to 140●C●Bearing: Steel●Bolt part: Steel (surface treatment: trivalent chromate plating)●Not a guaranteed value because it is a standard load value.