2-Pack 4x10x4 mm Thrust Ball Bearings for High Axial Load Chrome Steel Miniature Bearings 4mm Bore 10mm Outer Diameter 4mm Width Durable Precision Bearings Set of 2 for Reliable Low Friction Rotation in Small Motors Gearboxes and Hobby Projects

2-Pack 4x10x4 Thrust Ball Bearings in Chrome Steel
✔️ 2 x 4x10x4 thrust bearings in chrome steel, high axial load handling

These thrust ball bearings are compact 4x10x4 units sold as a 2-pack. They’re designed to handle axial loads in small assemblies, making them ideal for hobby robotics, precision gear trains, and compact machinery where smooth linear rotation is needed.

✅ Inner diameter 4 mm (0.157 in), outer diameter 10 mm (0.394 in), width 4 mm (0.157 in)
✅ Pack size: 2 bearings per order
✅ Material: chrome steel for durability and performance
✅ High axial load capability makes them suitable for end supports and rotor assemblies

💡 What is a thrust ball bearing used for in small precision assemblies?

These handy bearings handle axial loads and help keep shafts aligned and rotating smoothly in tight spaces.

- ideal for hand tools, hobby robotics, and small machines
- supports accurate axial alignment in compact gear trains
- requires proper lubrication and clean mounting surfaces