In the drylin® W linear modular kit, hybrid roller bearings with single and double rollers have been proving their worth for years with smooth manual linear adjustments. In response to many customer requests, the complete range of WJRM hybrid roller bearings has been extended to include the BB version with ball bearings. Due to the halved coefficient of friction, the WJRM-BB becomes the best smooth running linear bearing in drylin® W linear technology.Typical application areas: Kitchen and furniture construction, machine tools, jig construction, ergonomic workplaces