... and High 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, ... plastic bag/plastic tube + kraft paper + carton + plywood pallets 2. 2. Commercial packing: 1pc/plastic bag + color box + carton + ...