Brand KBS Item Number 6301-2RS KBS Category Deep Groove Ball Bearings Single Row Weight and Dimensions Inner (d) MM 12 Outer (D) MM 37 Width (B) MM 12 Inner (d) Inch 0.4724 Outer (D) Inch 1.4567 Width (B) Inch 0.4724 Weight (kg) 0.061 Product Properties Bore C - Cylindrical Bore Seal 2RS - Rubber Seal on Two Sides Cage Type S - Steel or Standard Cage External Modification No External Modification Radial Internal Play Cn Normal Internal Play Precision Standard Precision Lubrication Standard Lubrication Heat Stabilization No Heat Stabilization - Temperatures up to 120 °C Special Treatment No Special Treatment