Linear Ball Bearings

Frequently asked questions — Ball Bushings

• How do I choose the right linear ball bearing for my working environment?

  Selection relies on analysing the applied load, travel speed and working environment. For environments exposed to dust or with specific temperature conditions, it is essential to assess the particular constraints of the installation site. The dimensional compatibility between the bushing and the shaft, along with the specifications provided by manufacturers such as INA LINEAIRE, EWELLIX MAKERS IN MOTION or THK, ensure the technical suitability of the linear guidance solution selected for your application.
• Which complementary components are required to integrate a linear ball bearing?

  Linear ball bearings are frequently integrated within more complex systems to ensure the rigidity of the assembly. They often require the addition of linear retainers, support bearings, shaft brackets or specific guide shafts. Installation quality is decisive, as it is paramount to ensure rigorous alignment of these components during assembly in order to optimise the service life of the translation system.
• Do linear ball bearings comply with specific industrial standards?

  Linear ball bearings follow specifications proper to each manufacturer in order to guarantee interchangeability and guidance precision. Although the ISO 12090 standard is documented for linear rolling guides on profiled rails, it does not apply directly to linear ball bearings. It is therefore necessary to refer to the specific technical documentation provided by the manufacturers to validate the compliance of the selected components with your technical requirements.
• When should linear ball bearings be preferred over other guidance solutions?

  Linear ball bearings constitute a fundamental technical solution for precision linear guidance. The choice between this technology and other systems, such as electric axes or rail guides, must be made according to the required load, speed and precision. In case of doubt regarding the technical direction to adopt, it is advisable to compare the dimensional compatibility between the shaft and the bushing against the overall mechanical constraints of your translation system.