Long-term, maintenance-free operation
The use of a roller cage eliminates friction between rollers, and retains lubricant in the grease pockets between adjacent rollers,ensuring the required amount of lubricating oil is supplied to the curved contact surfaces of the specers and rollers of the circulating path to realize long-term maintenance-free operation.
Ultra-high regidity is achieved by using rollers having a low degree of elastic deformation for the rolling elements and an optimized roller diameter (0Da) and length (L). Also, each row of rollers is arranged at a 450 contact angle so that an equal load rating is applied in four directions (radial, reverse radial and lateral directions).
Global standard dimensions
The dimensionl design camplies with the type HSR developed by THK as the pioneer of linear motion systems and has become the global standard.