FK-FF 15WERB FK FF 15 Shaft Support Set Fixed and Floating Supports for 15 mm CNC Ball Screw The WERB FK FF 15 shaft support set is a matched FK and FF bearing block pair for 15 mm CNC ball screws, used on small CNC machines and automation axes. By supporting the screw at both ends with the correct bearing arrangement, this set helps reduce runout, vibration, and backlash on light duty equipment across Pakistan. As the trusted WERB distributor, Abdul Traders