Miniature Shielded Ball Bearing 3x10x4 ABEC-5 High Precision With Si3N4 Ceramic Balls Stainless Steel Micro Bearing For Small Machinery And RC Models Suitable For Hobby Projects Robotics Drones CNC 3D Printers

Ceramic Ball Bearing 3x10x4 with Shield ABEC-5, single
✔️ 3x10x4 mm, Si3N4 ceramic balls, stainless races, dry, ZZ shields

This compact, high-precision miniature bearing handles smooth rotation in tight spaces and is commonly used in drones, RC models, 3D printers, and precision tools where space is limited.

✅ Size: 3x10x4 mm (ID 3 mm / 0.118 in, OD 10 mm / 0.394 in, width 4 mm / 0.157 in)
✅ Material: stainless steel races with Si3N4 ceramic balls
✅ Shielding: double metal shields (ZZ) protect against dust and debris
✅ Precision: ABEC-5 rated for high-speed, low-friction operation
✅ Lubrication: dry lubrication for clean operation
✅ Packing: 1 bearing per package

💡 What is a ceramic hybrid ball bearing used for in compact machinery?

This handy design blends ceramic balls with steel races for high-speed, long-life performance. - Reduces friction and wear in tight spaces with high RPMs - Improves temperature stability in precision tools and drones - Suitable for small electric motors, precision instruments, and 3D printers - Shielded design helps prevent dust ingress