WELCOME TO Hongkong NKF Machinery Co.,Limited. English | Spanish

spherical plain bearings are used to support shafts or even rods with various numbers of misalignment. They're made to regulate high radial loads and offer constant performance under conditions of marginal lubrication, excessive speed and critical-application stress. Most "spherical plain bearings" includes a plain bearing and ball bushing in the lined, cylindrical housing that will minimizes friction or provides self-lubrication. 

Lubrication-free spherical plain bearings can also be found. Generally, metal balls and liners are made from steel, bronze or golf iron. Non-metallic balls and liners are often made from nylon, cheap, or polytetrafluoroethylene (PTFE). Each of those metallic and non-metallic merchandise supply superior performance to help traditional steel, plastic and also bronze plain timken bearings. With regard to heavy-duty industrial applications, spherical plain bearings can include large bores or spherically shaped rollers which allow axial running and relative misalignment relating to the housing and shaft.

Plain bearings, generally, could be the most affordable sort involving bearing. They're also compact and lightweight, and they've a higher load-carrying capacity.

spherical plain bearings is mainly composed of a spherical inside the circle and the outer within a sphere, can bear larger load. According to the different types and structures, it can bear radial load and axial load or radial, axial and existing joint load. Due to the sphere, the circle with composite materials, the bearings in work can produce self-lubrication. Commonly used for low speed of swing motion, also can be in certain scope for tilting Angle motion, when the axis and axle shell hole concentricity, still can work normally. ChengYing joints for self-lubrication auxiliary machine, hydraulic industry etc.

There are two main groups: steel-on-steel spherical plain bearings and maintenance-free spherical plain bearings. Maintenance-free spherical plain nsk bearings incorporate special sliding layers or liners of wear-resistant materials. They are used for applications where maintenance-free operation is required, where the use for application is required, where the use of lubricants is not permitted (e.g. in the food industry), or where the application is such that under the actual operating conditions lubrication is inadequate or even lacking, making the use of steel-on-steel bearings inadvisable. 

SN508

SN509

SN510