Bearings,as important components in contemporary mechanical equipment,mainly support the mechanical rotating body,which can reduce the friction coefficient during its movement and ensure its rotation accuracy.
30x37x20mm HF3020 One Way Needle Bearing are produce with Chrome steel Gcr15 ,we have this bearings with 8650 PCS in stock now ,free sample can be provide for you .
Best quality full ceramic 608 skate bearing with size 8*22*7mm ,all parts are with material ceramic ZrO2,with ceramic material ,this bearing have a high precision and free in spin .