Baldor-Reliance RPM AC Slide Base, 419914-9B, FL1838 FrameApplication(s)Used for adjustable belt tension on belted application not suitable for wall or ceiling mounting.Product Specifications FRAMEFL1838 BRANDBaldor-Reliance RPM-- MANUFACTURERS PART NUMBER419914-9B DIMENSION SHEET609957-9 DESCRIPTIONRPM AC Slide Base