13 X 20 X 4 Shielded Roulement à billes Chrome Steel 52100 Roulement de précision à gorge profonde 13mm Par 20mm Par 4mm Pour les équipements et machines industriels, pour les moteurs, les convoyeurs, les réducteurs et autres applications de précision

The 13x20x4 shielded ball bearing is a sealed ball bearing designed for smooth rotation in compact spaces. It's a common choice in automation, conveyors, motors, and hobby projects where reliable performance with minimal maintenance matters. Made from chrome steel (52100), it offers high hardness and wear resistance for everyday use.

✅ Inner diameter: 13 mm
✅ Outer diameter: 20 mm
✅ Width: 4 mm
✅ Material: Chrome steel (52100) shielded

💡 What is a pillow block bearing used for? A handy overview for typical setups in machines and conveyors. - Supports rotating shafts in light to medium duty equipment - Common in conveyors, fans, DIY projects, and small machinery - Shielded bearings help keep dirt and moisture out