604-2Z Deep Groove Ball Bearing Double Shielded Radial Bearing Single Row 4 Mm Inner Diameter 12 Mm Outer Diameter 4 Mm Width High Precision For Motors CNC Machinery Replacements In Industrial Equipment And Hobby Projects

604-2Z Deep Groove Ball Bearing 4x12x4, Shielded ✔️ ID 4mm x OD 12mm x Width 4mm, double shielded, 1 piece

These compact bearings handle radial load in small gear boxes, robotics, and precision assemblies. They shield against dust and debris, making them ideal for hobby projects and light machinery where space is tight.

✅ Type: deep groove ball bearing, single row
✅ Shielding: double shielded (2Z) for dust resistance
✅ Dimensions: 4 mm ID x 12 mm OD x 4 mm width (0.157" x 0.472" x 0.157")
✅ Dynamic load: 0.806 kN; Static load: 0.28 kN
✅ Pack: 1 bearing per order
✅ Material: hardened steel, precision-ground

💡 What is a deep groove ball bearing used for in small machinery? This handy general-use bearing supports smooth rotation and radial loads in compact devices. - radial load support in compact devices - fits 4x12x4 mm footprint for small housings - reduces friction and wear in hobby projects - ideal for RC models, 3D printers, and small gear trains