3mm ID x 12mm OD Pulley V Groove Track Roller Bearing 3x12x4mm

3mm V-Groove Track Roller Bearing
✨ 12mm OD - 4mm Width - Shielded Pulley Style

This V-groove track roller bearing features a 3mm bore and double metal shields, perfect for guide rail systems, linear motion setups, or compact pulley tracks. The V-groove design ensures smooth guidance along round or angled edges with minimal friction.

🟢 Pack size: 1 bearing
🟢 Type: V-groove track roller bearing
🟢 Bore: 3mm
🟢 Outer diameter: 12mm
🟢 Width: 4mm
🟢 Closures: Double metal shields
🟢 Standard: Metric
🟢 Application: Rail guides, sliding tracks, 3D printers, CNC assemblies