GW212PPB19 1-17/32" Square Bore Disc Bearing Unit w/Rubber Ring Krause Outer Diameter 4.912" OD: 4.9213" / 125mm Inner Ring Width: 2" / 50.80mm Rubber Ring Width: 1.6535" / 42mm Re-lube Type Bearing with Triple-Lip tight contact seals, pre-filled with high temp grease 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