Smr84-2RS Stainless Steel Ceramic Si3n4 Ball Bearing 4X8X3 Ningbo Sanzo Import and Export Co., Ltd. Base Info Description Pre：Smr74zzc Ceramic Stainless Steel Shielded Bearing 4X7X2.5 with Si3n4 Ball Next：SMF84 Flanged Stainless Steel Open Bearing 4X8X3
