BEARING Deep Groove Ball Bearing MaterialChrome Steel, Carbon Steel, Stainless Steel, Plastic, CeramicQuality standardISO9001:200PrecisionP0,P6,P5ClearanceC0,CM,C2, C3, C4Vibration & NoisyZ1,Z2,Z3 V1,V2,V3,V4Delivery dateDepend On Your QuantityPayment Term 1 30% T/T in advancePayment Term 2100%..