Ball Bearings
Bearing NO.: S684-ZZ
Material: 440C Stainless Steel
Inner Diameter: 4mm
Outer Diameter: 9mm
Width: 4mm
Precision: ABEC-5(P5)
Seal Type: Metal Shielded
Lubrication: Grease
Feature: High speed, Low Friction, Low noise.
Application: Skateboard, Tools, Small Motors, Home Appliances, ... etc.
RC Bearing 4x9x4 S684 ZZ Stainelss Steel Ball Bearing 4*9*4 L940ZZ Deep Groove Ball Bearing 684ZZ 638/4ZZ W684ZZA
Bearing NO. : S683-S689ZZ
Material : 440C Stainless Steel
Inner Diameter : 3-9mm
Outer Diameter : 8-20mm
Width : 4-6mm
Precision : ABEC-5
Seal Type : 2RS Black Rubber Seals
Lubrication : Grease
Feature : High precision, High speed, Low noisetion, Dry lubrication
Application : RC Car Toys, Tools, Equipment...etc