The new TOPBALL® Ultimate self-aligning linear bearing is an ultra-high performance extension to the existing TW (Inch) Series from NB. In addition to all of the standard features offered in TOPBALL® linear bearings, the new TW-H series features an optimized load plate and a modified outer cylinder structure with double the number of ball circuits in each bearing. This results in industry-leading load ratings and travel life making them the "ultimate" choice for high performance, light-weight and low-cost applications including automated factory equipment, industrial machines, optical instruments and measuring equipment. They are is available in open and closed types suitable for supported and unsupported shaft and rail configurations.  Various mounting options are offered including TOPBALL® pillow block housings for an optimized fit and to maximize both accuracy and overall application life.