SUC206-19R3 UC206-19L3 MUC206-19 Stainless Bearing 1-3/16" AISI440C AISI304 class and low noise vibration, with set screw locking , Pre-filled with grease FM-222 ,Tight Contact Sealing for better dust/trash water resistance and anti-leakage purpose applications which require better safer material bearing to replace regular ones for anti-corrosion and direct contact purpose For a precise fit and wise selection. Our trusted accessories keep your tools running smoothly. Please confirm your model above before ordering. Double-check dimensions and photos for the right fit. Quality assurance ：Well-designed, excellent processing. Made of highly durable materials, rigorously This is a manufacturer substitution. Functional equivalent to prior parts.Product Description Well-designed, excellent processing.tested, compact & sturdy, longevous. Ultra Durable, Quality Replacement.Made from durable high quality material and well-tested by the manufacturermade from durable high quality material and well-tested by the manufacturer