204RY2, 204FVMN, AA21480, 1268017C91, 492757R91 for SpinCo Special Ag Bearing BORE: 63" Round O.D. 1.78" FlatIR Width: .73"OR Width: .61" DIMENSIONS:BORE: .63" RoundO.D. 1.78" FlatIR Width: .73"OR Width: .61" For a precise fit and wise selection. 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