10Pcs 684RS Bearing 4x9x4 mm ABEC-7 Hobby Electric 684 RS 2RS Ball Bearings 684-2RS Black Sealed
Description
Bearing
Hign-concerned Chemical :
Surface Roughness : Ra 0.2
Torque Capacity : 4X9X4mm
Structure : Deep Groove
Model Number : 684 2RS
Coatings :
Material : STEEL