

R166ZZ Ball Bearing 3/16" x 3/8" x 1/8" inch - Shielded - Miniature
UPC: 00193019015605
R166ZZ Shielded Ball Bearing
✔️ 3/16" x 3/8" x 1/8" Inch Size - Single Bearing
The R166ZZ is a compact shielded ball bearing designed for use in electric motors, tools, and small machinery. It features double metal shields to block dust and debris and comes pre-lubricated with grease for smooth, maintenance-free operation right out of the box.
✅ Quantity: 1 Bearing
✅ Size: 3/16" inner x 3/8" outer x 1/8" width
✅ Material: Steel construction
✅ Type: Deep groove ball bearing
✅ Shields: Double metal shields (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic Load Rating: 70.9 KGF
✅ Static Load Rating: 27.2 KGF
✅ Common Equivalents:
R166-2Z - R166ZZ, R1662, R166Z
💡 Why use shielded ball bearings in precision tools?
Shielded ball bearings help keep dust and debris out while maintaining grease inside, which boosts reliability and reduces wear in high-speed, enclosed systems.
Whether you're upgrading delicate instruments or maintaining compact rotating systems, this R166ZZ bearing delivers dependable sealed performance in a small footprint.