Flat Cage FT3020NB2 1-Row Needle Retainer Synthetic Resin 3 mm dia x 20 mm height x 60 mm length Single bearing for linear slide unit and precision guides

Flat cage single bearing FT3020NB2 for linear slide units
✔️ 3 mm dia x 20 mm height x 60 mm length, synthetic resin

A single bearing flat roller cage sold as one piece (each) for converting plain guide ways into rolling linear slide units and precision guides. Ideal where low noise and smooth, stable motion are needed.

✅ Model FT3020NB2, FT Series single-row flat cage for linear slides
✅ Needle rollers 3 mm diameter; high load rating from tight cage pitch
✅ Dimensions: 3 mm dia x 20 mm height x 60 mm length for compact installs
✅ Synthetic resin cage for low noise, low friction and easy handling
✅ Not jointed; standard roller tolerance 0 to 2 for precision guidance
✅ Use to convert plain bushings into rolling guides without big bed redesign

💡 What is a flat roller cage used for in linear slide units and precision guides? Flat roller cages let you swap plain guide ways for rolling guidance to cut friction and stabilize motion. - Ideal for linear slide unit upgrades where reduced stick-slip and low-noise operation matter; works with sealed ball bearing assemblies. - Synthetic resin cages are handy for quieter precision guides and easy handling during assembly. - Needle roller design increases load capacity without a major machine bed redesign; consider ceramic or sealed ball bearing options for harsh environments.