Ten Pack Ball Bearings 3x7x2 Deep Groove Chrome Steel Double Shielded Miniature Bearings 3mm x 7mm x 2mm For Precision Hobby And Industrial Use Ideal For RC Hobbyists CNC Projects Precision Instruments And Small Machinery Across Industries

10-Pack 3x7x2 Open Miniature Ball Bearings Set
✔️ 10 bearings, 3x7x2 mm, chrome steel, open closures, high rpm

These compact 3x7x2 mm ball bearings come in a 10-pack and are built from durable chrome steel for reliable performance in small mechanical assemblies. Use them in hobby robotics, model making, and precision gear projects wherever tiny, smooth rotation is needed.

✅ Size: 3x7x2 mm (bore 3 mm / 0.118 in, outer diameter 7 mm / 0.276 in, width 2 mm / 0.079 in)
✅ Material: Chrome steel for durability and wear resistance
✅ Type: Deep groove ball bearings, open closures for easy lubrication
✅ Dynamic load rating: Cr 310 N; Static load rating Cor 110 N
✅ Lubrication and speed: Grease up to 66,000 RPM; Oil up to 79,000 RPM
✅ Packaging: 10 bearings in a single plastic tube
✅ Applications: Ideal for micro-robotics, RC hobbies, and model gear trains

💡 What is a small ball bearing used for in precision hobby builds? A handy little part that helps tiny axles turn with minimal friction in tight spaces.

- Great for micro-robotics, drones, model cars, and tiny gear trains. - Reduces friction and wear on slim shafts in compact assemblies. - Open closures allow easy lubrication in exposed or semi-enclosed setups. - Fits mini shafts and housings thanks to the 3x7x2 mm size.