Flanged Ball Screw Nut Assembly | SFU 2505-4 SHAC 12x42x70 this original YFB unit provides

this original YFB unit provides stable operation

Closed-end drawn cup needle roller bearing with increased length for better radial stability and guidance

The flexible section allows limited angular and radial misalignment while transmitting torque smoothly

developed for smooth rolling action and stable guided motion in compact industrial machinery

Flanged Ball Screw Nut Assembly | SFU 2505-4 SHAC 12x42x70 this original YFB unit providesSHAC SFU 2505 4 Standard Ball Nut, 25 mm, 5 mm Lead The SHAC SFU 2505 4 standard ball nut is a 25 mm diameter, 5 mm lead nut for precision CNC axes that need high stiffness with fine feed resolution. Its single nut construction provides efficient motion with excellent load capacity for controlled positioning. Although SHAC is produced in China, its quality level rivals many Taiwanese brands, making it a clear upgrade over standard Chinese options.