Compact Deep Groove Ball Bearings 3mm ID 10mm OD 4mm Thick Double Sealed Chrome Steel GCr15 Built To Last For Heavy Load And Low Noise ABEC 3 P6 Z2 Precision Bearings 10 Pack Great For Hobby Projects And Precision Work

Compact 3x10x4 Deep Groove Ball Bearings, 10 Pack
✔️ 3 mm ID x 10 mm OD x 4 mm thick, double sealed chrome steel

These compact deep groove ball bearings are designed for smooth, reliable rotation in small assemblies. They’re commonly used in hobby robotics, precision gear trains, miniature machines, and linear motion setups where compact size and low noise matter.

✅ I.D. 3 mm - O.D. 10 mm - thickness 4 mm
✅ Double-sealed on both sides to keep lubricant in and debris out
✅ Chrome steel GCr15 for high hardness and wear resistance
✅ ABEC 3 tolerance (P6) and Z2 noise rating for quiet operation
✅ Static load 230 N; dynamic load 640 N

💡 What is a sealed ball bearing used for in precision hobby projects?

Sealed bearings are handy for keeping lubricant in and contaminants out, delivering smooth rotation in tight spaces.

• handy for hobby robotics, micro machines, and model gear trains
• protects shaft alignment in small machines with low maintenance
• ideal for use with linear slide units and compact precision instruments
• delivers quiet operation and long life in compact projects