Misumi MPGZ18-30 Oil Free Bushing

The Misumi MPGZ18‑30 is a flange‑type oil‑free bushing designed for smooth linear motion in precision machinery, providing maintenance‑free operation and long service life without external lubrication. Technical specifications Manufacturer: MISUMI Corporation Product type: Oil‑free bushing Series: MPGZ Model: MPGZ18‑30 Bushing type: Flanged sleeve bushing Inner diameter (shaft diameter): 18 mm Outer diameter: 24 mm (typical for MPGZ18 series) Overall length: 30 mm Flange diameter: Approx. 32 mm Flange thickness: Approx. 4 mm Material: Oil‑impregnated sintered bronze Sliding material structure: Solid lubricant embedded type Lubrication requirement: None (self‑lubricating) Operating principle: Boundary lubrication with embedded solid lubricant Recommended shaft material: Hardened steel Recommended shaft hardness: HRC 30 or higher Maximum allowable speed: Approx. 2 m/s (application dependent) Maximum allowable load: Approx. 15 N/mm² (application dependent) Operating temperature range: −40 to +120 °C Wear resistance: High, suitable for continuous sliding applications Noise level: Low friction, low noise operation Corrosion resistance: Good, suitable for standard industrial environments Mounting type: Press‑fit into housing Installation tolerance: H7 housing fit recommended Applications: Linear guides, automation equipment, jigs and fixtures, packaging machinery, general industrial sliding mechanisms Maintenance: Maintenance‑free, no re‑lubrication required OEM status: Original MISUMI standard component Country of manufacture: Japan Please review pictures carefully and let us know if you have any questions!