Brand KBS Item Number 30BD40 Category Angular Contact Ball Bearing Double Row Weight and Dimensions Inner (d) MM 30,00 Outer (D) MM 55,00 Width (B) MM 23,00 Inner (d) Inch 1.1811 Outer (D) Inch 2.1654 Width (B) Inch 0.9055 Weight (kg) 0.185 Product Properties Bore C - Cylindrical Bore Seal2RS - Rubber Seal on Two Sides Cage Type P - Plastic Molded Cage External Modification No External Modification Radial Internal Play Cn Normal Internal Play Precision Standard Precision