PU6X20X5ZZ PU Covered Bearing 6x20x5mm shielded Miniature - tire Outer Diameter - 34.987mm Made from chrome steel and

Made from chrome steel and sealed with rubber on both sides

SKU: 6811Bearing

bearing is Silicon Nitride ceramic balls

HK0609 Shell Type Needle Roller Bearings 6x10x9

17mm Inner Diameter Bearing

PU6X20X5ZZ PU Covered Bearing 6x20x5mm shielded Miniature - tire Outer Diameter - 34.987mm Made from chrome steel andPU6X20X5ZZ Polyurethane Rubber Shielded Ball Bearing 6mm x 20mm x 5mm Polyurethane ( PU) is a new type of polymer composite materials between rubber and plastic, offering higher load bearing capacity compared to plastic, polyurethane offer superior impact resistance, while good mechanical properties. Polyurethane have better abrasion and tear resistance than rubber. PU6X20X5ZZ Ball Bearing Deep Groove Ball Bearing Material: GCr15 bearing steel Cover