10Pcs 684ZZ Bearing 4*9*4 mm ABEC-7 Miniature 684Z Ball Bearings
Description
Bearing
Item: 684ZZ
Structure: Deep Groove
Material: Bearing Steel
Bore Dia (d): 4 mm
Outer Dia (D): 9 mm
Width (B): 4 mm
Closures: Metal Seal
Lubrication: Grease
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: