Bearings
Technical specifications
Item: 684 ZZ
Structure: Deep Groove
Material: 100Cr6
Bore Dia (d): 4 mm
Outer Dia (D): 9 mm
Width (B): 4 mm
Closures: Metal Shielded(ZZ)
Lubrication: Grease
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Grades: ABEC-7