4x9x4mm Miniature Thrust Ball Bearing With Brass Cage, Chrome Steel Construction, Grooved Thrust Bearing For High Axial Load Capacity, Compact Precision Bearing For Small Machinery, Drones, RC Models And Instrumentation

Miniature thrust ball bearing with a brass cage designed for axial loading in tight spaces. Commonly used in precision instruments, model assemblies, small robotics, and hobby projects where compact, reliable thrust support is needed.

✅ 4 mm inner diameter (ID), 9 mm outer diameter (OD), 4 mm width (W)
✅ Brass cage construction for smooth operation and reduced friction
✅ Chrome steel bearing body for durability under axial loads
✅ Groove feature for accurate shaft alignment and load distribution
✅ Pack size: 1 bearing (single unit)

💡 What is a small thrust ball bearing used for in tight spaces and precision devices? It is a handy, compact solution for axial support where space is limited. - Handles axial loads along a shaft in compact layouts - Great for hobby robotics, miniature gear trains, and model makers - Brass cage reduces friction and aids shaft alignment - Chrome steel body delivers durability under load