684ZZ Bearing 4X9X4 mm ABEC-5 (20PCS) Miniature 684 Z ZZ Ball Bearings 684-2Z
- 684ZZ Shielded Ball Bearing, Bearing IS made of Bearing Steel, each bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.
- 684zz bearing is a kind of multi-purpose miniature bearing.
- It widely used in precision instruments, Minimotor, remote control model, etc industries.
