Chrome Steel Open Ball Bearings 12x40x12 Pair, 12mm Bore, 40mm Outer Diameter, 12mm Width, High Strength Durable Bearings for Machinery and DIY Projects, Open Type Ball Bearings Pack of Two

Two-Pack 12x40x12 Open Chrome Steel Ball Bearings
✔️ 12mm ID x 40mm OD x 12mm wide chrome steel, grease-packed

These chrome steel open ball bearings come in a 12x40x12 mm size, sold as a pair, and are built for radial loads in small motors, gear drives, and DIY projects requiring smooth rotation and quick bearing replacement.

✅ Size: 12 mm ID, 40 mm OD, 12 mm width
✅ Material: chrome steel mayor durabilidad
✅ Type: open deep groove design for easy lubrication
✅ Lubricación: prelubricado con grasa
✅ Pack count: 2 bearings per pack

💡 What is a ball bearing used for in mechanical assemblies and how does an open design affect performance? This handy component reduces friction and supports rotating shafts in compact machinery. - radial load support in small motors and DIY setups - fits 12 mm bore shafts and 40 mm outer diameter for quick replacements - open design allows easy lubrication and inspection in hobby projects - durable chrome steel construction ensures long life