End support set for standard ballscrews provides reliable alignment and protection for CNC and motion systems. This listing covers two compatible configurations to fit common ballscrews used in hobbyist and light industrial setups. Compatible configurations BK10 BF10 end supports for 12 mm diameter SFU1204 ballscrews BK12 BF12 end supports for 16 mm diameter SFU1605 and SFU1610 ballscrews Key benefits Maintains precise alignment of the ballscrew to reduce shaft runout and improve linear performance Supports endload and helps protect bearings from fatigue and premature wear Simplifies maintenance and replacement in DIY CNC machines, 3D printers, and automated linear axes Designed for compatibility with standard BK/BF style end support fittings in 12 mm and 16 mm diameter systems Key attributes Functionality: end support units that provide radial and axial support for ballscrews at the ends Compatibility: specifically matches SFU1204 (12 mm) with BK10/BF10 and SFU1605/SFU1610 (16 mm) with BK12/BF12 Size/matchup: two size groups to cover common 12 mm and 16 mm diameter ballscrews Model references: BK10, BF10 for 12 mm SFU1204; BK12, BF12 for 16 mm SFU1605 and SFU1610 Purpose: CNC parts focused on end support and bearing alignment to enhance rigidity and reliability Performance considerations Helps minimize misalignment and shaft deflection under typical CNC loads Supports smooth, consistent motion in endofaxis regions Suitable for use in gantries, linear axes, and other motorized slide assemblies that employ SFU1204, SFU1605, or SFU1610 ballscrews Use cases DIY CNC router or milling machine: install BK10 BF10 end supports for a 12 mm SFU1204 screw to improve axis rigidity and reduce play at the drive end 3D printer or compact automated system: use BK12 BF12 end supports with a 16 mm SFU1605 or SFU1610 screw to maintain precise motion in the X or Y axis Robotic gantry or linear actuator: integrate these end supports to stabilize longer travel screws, helping maintain repeatable positioning in dynamic moves Notes This description reflects the two compatible configurations in the product title: BK10 BF10 for 12 mm SFU1204 and BK12 BF12 for 16 mm SFU1605/SFU1610 Ideal for projects requiring reliable end support without introducing additional nonstandard mounting complexity No additional alterations or modifications required beyond using the appropriate BK/BF end supports for the selected ballscrew size This end support set offers straightforward compatibility with common 12 mm and 16 mm SFU ballscrews, helping to improve rigidity, bearing life, and overall motion quality in CNC and automated motion applications.