25mm Lead Ball Screw System, 2900mm Long with Nut, BK BF20 Bearing Blocks, End Supports, Flexible Coupler, Nut Housing, and Nema 52 Motor Bracket for Precise Motion Control and Heavy Duty CNC Projects
✔️ 25 mm lead, 2900 mm length, BK20/BF20 end supports
This 25 mm diameter lead ball screw system is engineered for precise linear motion in CNC machines, automation lines, and heavy-duty machining projects. It ships as a complete kit with a nut, motor bracket for Nema 52, BK20/BF20 end supports, a flexible coupling, and a nut housing, ready for tight tolerances and durable service.
✅ Ball Screw model SFE2525, 25 mm diameter, 25 mm lead (0.984 in)
✅ Total length 2900 mm (114.17 in) with standard BK/BF20 machining
✅ Nut: long-pitch metal deflector nut with high temperature resistance
✅ BK20/BF20 end supports with locknuts and circlips for rigid alignment
✅ Integrated motor bracket for Nema 52 motor on BK block
✅ Flexible coupling with 14 mm bore; other bore sizes available on request
✅ Nut housing included; CAD/3D files and end machining available
✅ Lead time 7-10 business days, holidays excluded
💡 What is a ball screw system used for in CNC machines?
It’s a handy way to convert rotary motion into precise linear movement with low friction, giving you smoother, more repeatable positioning.
- Precise control of axes in milling, routers, and automated lines - High stiffness and low backlash for repeatable results - Easy integration with motor brackets, end supports, and nuts - Low maintenance with proper lubrication and clean assembly