10 Pack 2.5x8x4mm Stainless Steel Ball Bearings Shielded And Pre Lubricated With Grease For Dust Protection High Durability Smooth Rotation Bearings Set Of 10

10-Pack 2.5x8x4mm Stainless Shielded Ball Bearings Set
✔️ 2.5x8x4mm stainless steel, shielded, pre-lubricated, 10 pcs

These compact stainless steel ball bearings come shielded on both sides to block dust and contaminants. They’re pre-lubricated and sold in a convenient 10-pack, making them a reliable choice for hobby motors, small machinery, RC projects, and DIY precision builds.

✅ Inner diameter 2.5 mm, outer diameter 8 mm, width 4 mm
✅ Stainless steel construction with ZZ shields for dust protection
✅ Double shields maintain lubrication and reduce contamination
✅ Pre-lubricated grease enables immediate rotation and low maintenance
✅ Cr 390 N, Cor 130 N dynamic/static load ratings; up to 67,000 RPM
✅ Pack of 10 bearings

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

A handy, compact solution that reduces friction and enables smooth motion in tight spaces. - Supports radial loads in tiny motors and gear trains - Keeps rotating parts aligned with minimal play - Shielded design helps keep dust out for longer bearing life - Pre-lubricated grease reduces maintenance and setup time