SMR72ZZ Deep Groove Ball Bearings 2x7x3mm, 2 Pack Double Shielded 440C Stainless Steel ABEC 5 Precision Bearings For DIYers, Tiny Projects, Smooth Spin, Dustproof Gear

Mini SMR72ZZ Deep Groove Bearings 2x7x3mm, 2-Pack Shielded
✔️ 2 pcs SMR72ZZ, 2 mm ID x 7 mm OD x 3 mm thick, ABEC5 precision

These tiny deep groove ball bearings are designed for compact, precision-driven projects. They fit micro motors, robotics, small gear trains, and hobby machines where smooth, quiet rotation and dust protection matter.

✅ 2-pack includes 2 bearings ✅ Double shielded design to keep lubricant in and dust out ✅ 440C stainless steel inner/outer races and cage for durability ✅ ABEC5 precision for tight tolerances ✅ ZV3 low-noise operation for quiet performance ✅ Dimensions: ID 2 mm, OD 7 mm, thickness 3 mm

💡 What is a sealed 2 mm bore ball bearing used for in precision hobby gear?

These handy bearings help machines run smoothly in tight spaces.

• Small, handy bearing for micro robots, drones, and compact gearboxes
• 2 mm bore with 7 mm outer diameter and 3 mm thickness for tight assemblies
• Double shielded design protects lubricant and resists dust in dusty environments