Roller 5mm width del anillo interior ampliado width 5mm

4x12x4/5mm U-Groove Track Roller Bearing
✔️ Extended Inner Ring Width - Smooth, Shielded Design

This U-groove track roller bearing is built for precise, low-friction movement along guide rails or tracks. Made to metric standards, it features an extended inner ring width of 5mm for easier mounting and alignment. Double metal shields (ZZ) help protect the bearing from dust and debris, keeping it running smoothly in sliding or rolling setups.

✅ Bore Size: 4mm
✅ Outer Diameter: 12mm
✅ Tire Width: 4mm
✅ Inner Ring Width: 5mm (extended)
✅ Groove Type: U-groove
✅ Shields: Double metal (ZZ)
✅ Standard: Metric
✅ Quantity: 1 Bearing

☑️ Equal to: Common U-groove track roller models with 4x12x4/5mm specs

💡 Why use a U-groove track roller bearing?

• Guía el movimiento por los raíles con una fricción mínima

• El anillo interior alargado facilita la instalación

• Shields help keep contaminants out for longer life

• Funciona bien en puertas correderas, sistemas transportadores e impresoras 3D

Un rodamiento pequeño y sólido que mantiene sus piezas de pista deslizándose como nuevas.