8x16 Bearing 688ZZ 8x16x5mm - Shielded - Miniature

688ZZ deep groove ball bearing 8x16x5mm
✔️ 688ZZ double metal shielded miniature bearing

This single 688ZZ miniature ball bearing is a handy choice for RC cars, small motors, hobby builds, instruments, and compact mechanical setups. It’s made from durable chrome steel, uses double metal shields to help block dust, and comes pre-greased so it’s ready to run right away.

✅ Type: deep groove miniature ball bearing
✅ Material: chrome steel (52100)
✅ Shields: double metal shields (ZZ)
✅ Lubrication: pre-greased
✅ Dimensions: 8mm ID x 16mm OD x 5mm width
✅ Dynamic load rating: 1,600 N
✅ Static load rating: 710 N
✅ Limiting speed (grease): 42,000 RPM
✅ Pack size: 1 bearing

Dimensions table (mm):

☑️ Equal parts: 688-2Z, 688-ZZ, KOYO W688ZZ, NSK 688ZZ, NMB L-1680ZZ

💡 Why are miniature deep groove ball bearings popular in high-speed compact machines?
Their small size and low friction design keep rotation smooth even at high RPM.

• Double shields help protect the raceways from contamination

• Chrome steel construction supports durability under light loads

• High-speed capability makes them ideal for RC and precision mechanisms

A cool little bearing that keeps small gear running smooth and fast with minimal effort.