... vibration 3.High quality and High speed 4.Reasonable price Pillow Block and Insert Bearings1.Bearing block type: UCP, UCF,UCFL ... : Neutral Brand3.Material: Chome steel GCr154. Housing materials:cast iron pillow blocks/cast iron plummer blocks/sheet steel housings/plastic housings ... .Low-noise deep groove ball bearing(mostly 6000 series)2.Pillow block bearings (UC,UCP,UCF,UCFL,UCFC,UCT...)3.Spherical ...