Established in 1998, China Xiaowei Bearing Co., Ltd. is a high-tech enterprise specializing in linear bearing manufacturer and design many kinds of bearings. We have a modernized staffs of tech research and fog machine development, ISO9001 certificated, and manufacturing adopts advanced domestic and foreign standards such as GB, API, JIS, DIN, BS, NF and ANSI.

The self-lubricating (Rulon J lined) bearing is recommended for use with soft shafting, including cold rolled steel, aluminum, and 300 series stainless steel. These unique bearings perform well under vacuum conditions and their durable coating is non-tox
The Aluminum Oxide coating linear motion bearing has an extremely low coefficient of friction - even lower than Teflon bearings - to prevent shaft wear and galling. These bearings, totally interchangeable with rolling element equivalents, allow line-to-li
Does your machine tool suffer loss of alignment and precision from wear of close-fit plain bushings or V-ways? It wouldn't It if it used modern components. Here's a report on the design and application of antifriction bearings. Certain types can handle loads up to 18, 000 lb per bearing.
Machine tools should have linear bearings with low coefficients of friction from 0.001 to 0.004 to provide high efficiency and low power requirements-allowing use of smaller drive units and power-transmission systems. There should be no vibration, stick-slip, or chatter-ensuring smooth operation and precise positioning.

ISO 14728-1:2004 specifies methods of calculating the basic dynamic load rating and basic rating life for linear motion rolling bearings manufactured from contemporary, commonly used, high quality, hardened bearing steel in accordance with good manufacturing practice and basically of conventional design as regards the shape of the rolling contact surfaces. The life of linear motion rolling bearings is defined and the conditions are established for reliable life calculations.ISO 14728-1:2004 is not applicable to designs where the rolling elements operate directly on the slide surface of the machine equipment, unless that surface is equivalent in all respects to the raceway of the linear motion rolling bearing component it replaces.