Brand Nachi Item Number 6204 2NSE9 Nachi Category Deep Groove Ball Bearings Single Row Weight and Dimensions Inner (d) MM 20 Outer (D) MM 47 Width (B) MM 14 Inner (d) Inch 0.7874 Outer (D) Inch 1.8504 Width (B) Inch 0.5512 Weight (kg) 0.106 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 Suffix description 2NSE9 Two Contact Seals