... precision mini deep groove ball bearing 619/2.5材质MaterialChrome Steel型号Model619/2.5品牌 BrandJRDB振动等级 Vibration levelV1, V2, V3等级 ... ClearanceC2,C3,C4证书CertificateISO9001:2000尺寸Size2.5*7*2.5用途Applicationtools服务ServicesOEM customized servicesPrecision RatingP0, P6,P5,P4 ... plastic bag/plastic tube + kraft paper + carton + plywood pallets 2. 2. Commercial packing: 1pc/plastic bag + color box + carton ...