ALUMINIUM CORE - VULCANIZED BLACK ELASTIC RUBBER

• Black elastic rubber coating, hardness 73±5 Shore A.
• Core in die-cast aluminium alloy.
• Excellent smooth and silent running; high abrasion resistance.
• Temperature range: -20°C / +70°C (-4°F / +158°F).
• Hub with: shielded precision ball bearings; standard roller bearing.