10pcs F684RS Bearings 4x9x4mm Double Sealed Miniature Ball Bearings
Description
Bearings
Product number: F684RS
Structure: Deep groove
Material: Bearing steel
Aperture(d): 4 mm
Outer diameter (D): 9 mm
Width(B): 4 mm
Sealing cover: rubber sealing ring
Lubrication: Grease
Magnetic: Small
Hardness: 58HRC
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