4 Pieces SMR63-2RS Deep Groove Ball Bearings 3x6x2.5mm 440C Stainless Steel Double Shielded ABEC 5 High Precision Bearings For Miniature Motors RC Models And Precision Machinery And Small Precision Projects

4-Pack SMR63-2RS Deep Groove Ball Bearings 3x6x2.5mm
✔️ 4 pcs SMR63-2RS, 3x6x2.5mm, 440C, double shield, ABEC5

These compact, precision deep groove ball bearings are built from 440C stainless steel and use a double shield to seal in lubrication while fending off dust and moisture. They’re a great fit for small, high-silence setups like robotics, micro motors, and precise office equipment where smooth, quiet operation is key.

✅ Pack: 4 pcs
✅ Size: ID 3 mm, OD 6 mm, W 2.5 mm (3x6x2.5 mm) (0.118" x 0.236" x 0.098")
✅ Material / accuracy: 440C stainless steel, ABEC5
✅ Seal type: double shield 2RS for dust/moisture protection
✅ Applications: robotics, micro motors, ship rudder shafts, office equipment

💡 What is a deep groove ball bearing used for in small machinery?

They are handy for compact projects needing low friction and quiet operation.

- Low friction, smooth rotation in tight spaces - Radial and axial load handling in small machines - Handy for robotics, micro motors, and precision equipment