10 Pack Ceramic Shielded Ball Bearings R166ZZ 3/16 x 3/8 x 1/8 Inch With Ceramic Balls Double Shielded ZZ Dust Proof High Precision Performance For Industrial And DIY Projects

10-Pack Ceramic Shielded Bearings R166ZZ 3/16 x 3/8 x 1/8"
✔️ 10-pack, ceramic balls, pre-lubed, double shielded (ZZ)

These shielded, hybrid ceramic ball bearings are sized 3/16 x 3/8 x 1/8 inches and sold in a 10-pack. They’re a fit for compact moving parts in hobby machines, RC builds, 3D printers, and small robotics where smooth operation and long life matter.

✅ Hybrid ceramic balls in chrome steel races for long life
✅ Double shielded ZZ seals keep out dust and moisture
✅ Pre-lubricated with grease for immediate use
✅ Dimensions: ID 0.187 in (4.75 mm), OD 0.375 in (9.53 mm), width 0.125 in (3.18 mm)
✅ Pack of 10 bearings for easy stocking

💡 What is a typical use for shielded ceramic ball bearings in small machinery?

They’re handy for precise, low-friction rotation in tight spaces.

• They lower friction in rotating components like printers and small robots
• They handle light-to-medium loads with smooth operation
• Double shielded ZZ seals resist dust and moisture
• Pre-lubed design allows quick setup