10Pcs 693ZZ Ball Bearing 3x8x4mm ABEC-7 Engine Bearing 693 ZZ Fan Bearing 619/3ZZ R-830ZZ EMQ Motor Fan Bearing 693Z 693
Description
Bearings
Hign-concerned Chemical :
Surface Roughness : Ra 0.2
Torque Capacity : 3x8x4 mm
Structure : deep groove
Model Number : 693ZZ
Coatings :
Material : Chrome Steel GCr15
Bearing Material : Chrome Steel GCr15
Ball Material : Chrome Steel GCr15
Precision Grade : ABEC-7