ProTo strive for excellence and accuracy, we need to be more precise. To make a difference in this market, Jiachen Precision Co., Ltd. under the accuracy requirements of international customers,roll out Super Finish Roller Cam Bearings,The rough overshoot test results are as follows, Ra0.02um Rz0.20um, The inner diameter true roundness is 0.001mm, and the inner and outer diameter concentricity is 0.002mm, which is within the tolerance range required by the customer and maintains the level of precision of the bearing assembly.duct Application Industry/Field

