CAST IRON CORE - CAST POLYURETHANE COATING.
Cast polyurethane coating, hardness 95±3 Shore A.
Core in cast iron suitable for heavy and extra heavy loads; painted.
Excellent smooth and noiseless running; high resistance to abrasion, wear and tear, oils and greases.
Temperature range: -30°C / +80°C (-22°F / +176°F).
Hub with: shielded precision ball bearings.