Shandong Runao Bearing Co., Ltd. was founded in 2011 and owns the independent brand ZCRA, specializing in the production of high-quality precision roller bearings and ball bearings. ZCRA bearings mainly produce inner ring sizes ranging from 10mm to 1000mm. Adhering to the quality principle of "0.01% defect is 100% waste". As a trustworthy bearing manufacturer, we are proud to provide high-quality products and first-class technical support for your application.
the experience accumulated by ZCRA bearings in various ball and roller bearing applications has provided technical added value for the development and production of bearings, especially in the steel, mining, and cement industries. In these industries, it has been recognized by OEM customers as the preferred Chinese bearing supplier among top bearing manufacturers.

ZCRA bearings will continuously evaluate the process and success based on customer satisfaction.