STEEL DISCS - BLACK RUBBER RING

• Solid black rubber ring, hardness 85±5 Shore A.
• Pressed and welded steel-discs: electro-zinc plated, white.
• Temperature range: -20°C / +60°C (-4°F / +140°F).
• Hub with: shielded ball bearings; standard roller bearing; nylon (polyamide 6) friction bearing.