NSK NAH55EM ZHIntroducing the NSK NAH55EMZ NH series 55 mm linear guide bearing, a high quality and reliable component for various machinery applications. With a precision engineered and durable design, this bearing ensures optimal performance and smooth operation. NSK bearing NAH55EMZ NH series 55 mm linear guide. Model: NSK NAH NH EM (High Load Type Standard, Flange Type) 55mm Ball Slide Shape: EM Special High Carbon Steel Light Preload Long Operating Life High