Ten Pack Miniature Ball Bearings One Quarter Inch Inner Diameter Three Eighths Inch Outer Diameter And One Eighth Inch Width R168 ZZ High Quality Precision Bearings For Hobby Projects Model Making Robotics And Small Machinery
✔️ 10 bearings, sealed ZZ shields, grease-packed, fits tiny gear units
These miniature ball bearings are sealed to protect against dust and dirt, sized 1/4 inch bore, 3/8 inch outside diameter, and 1/8 inch width. Pack includes 10 bearings ready to drop into yoyos, RC models, and micro machinery for smooth operation.
✅ Inner bore: 1/4" (6.350 mm) ID
✅ Outer diameter: 3/8" (9.525 mm) OD
✅ Width: 1/8" (3.175 mm) thickness
✅ Shields: double metal ZZ to resist dust
✅ Lubrication: pre-lubricated with grease
✅ Pack: 10 bearings in the set
💡 What is a small sealed ball bearing used for in hobby yoyos and miniature gear systems? This handy guide covers typical roles and benefits. - Reduces friction between rotating parts in tight spaces - Supports radial loads with smooth, low-resistance motion - Sealed ZZ shields guard against dust and dirt - Pre-lubricated design enables quick setup and low maintenance