... bearing 3 The highest quality service 4 most competitive prices 5 good diliver Eccentric bearingJinan Kaiming Bearing Co., Ltd. Is a ... steel, iron. 4) Shield / Closure: Plain (Open), Z, ZZ, RS, 2RS, 2ZR, 2Z. 5) Vibration and Noisy level: Z1, Z2, Z3, ZV1 ... .Z2V2.Z3V3. 6) Precision level: ABEC-1, ABEC-3, ABEC-5, ABEC-7. 7) Brand: KMY, We also have ability to ...