Cylindrical Roller Bearings (N, NJ, NU, NUP 200 series) Ningbo Sanzo Import and Export Co., Ltd. Base Info Description Pre：AISI 52100 G10 Chrome Bearing Steel Ball (GCr15) 4.7625mm (3/16 inch) - 25.4mm (1inch) for Roller Bearings Next：Single Row Angular Contact Ball Bearing7303b
