Locking Collar Bearing CSA106-19 Insert Bearing 1-3/16" Bore with Locking Collar | RAL103NPP Inner Diameter/Bore: 1-3/16"/30.1625mm, Round Outer Diameter: 2.1653"/55mm, Cylindrical/Fla Outer Race Width: 0.5118"/13mm Inner Race Width without Collar: 0.7189"/18.27mm Overall Width Including Collar:1.0315"/26.20mm  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