U Groove Bearing 20 Pack 3x12x4mm Carbon Steel Sealed Ball Bearings Rail Roller Wheel Guide Pulley For Track Liner Motion System Built Tough Corrosion Resistant High Strength Lightweight And Easy Install

U-Groove Sealed Guide Bearings for Linear Motion (20 pcs)
✔️ 12x4mm bearing with 3mm bore, carbon steel, 20 pieces total

The U-Groove Sealed Guide Bearing set provides smooth, guided linear motion for heavy loads in industrial and manufacturing settings. These bearings are commonly used in conveyor systems, automation equipment, and track-guided equipment where precise, low-friction guidance matters.

✅ Material: Carbon Steel
✅ Inner Hole Diameter: 3 mm
✅ Bearing Size: 12 x 4 mm
✅ Groove Width: 2.5 mm
✅ Groove Depth: 0.9 mm
✅ Packing: 20 x U-Groove Bearings
✅ Finish: Polished surface, lightweight and durable

💡 What is a U-Groove sealed guide bearing used for in linear motion applications? These handy bearings guide shafts along rails with low friction and stability. - They support straight-line motion for conveyors and automation systems - Handy for heavy loads at low to moderate speeds - Easy to install in track or guide rail setups - Carbon steel construction offers strength and corrosion resistance

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