Flat roller cage single-row guide FT3525NB2 3.5×25×75 mm synthetic resin retainer, quiet needle-bearing slide unit, precision rolling assembly for machine tool beds, rigid, low friction, each

Flat roller cage single-row linear guide FT3525NB2
✔️ 3.5×25×75 mm, synthetic resin retainer, single piece

This single-piece flat roller cage converts plain guide ways into a rolling linear slide unit, commonly used on machine tool beds and other low-noise motion systems.

✅ Diameter: 3.5 mm (needle roller size)
✅ Height: 25 mm, compact low cross-section
✅ Length: 75 mm, single-row retainer design
✅ Material: synthetic resin cage for quiet operation
✅ Series/type: FT Series, single row rolling guide
✅ Pack size: sold as one piece (each), easy handling and assembly

💡 What is a linear slide unit used for in machine tools? A linear slide unit provides precise, low-friction straight-line motion for tooling or workpiece movement. It replaces plain guide ways with rolling elements to improve accuracy and reduce stick-slip. - Improves positioning accuracy and repeatability in machine tool beds and fixtures - Reduces friction and noise compared with plain bearings; works well where sealed ball bearing or ceramic components are used elsewhere - Offers high rigidity and load capacity using needle rollers guided by a precise resin retainer - Handy for retrofitting conventional slides into a rolling guide type without major redesign