... GCr15 2.Low noise and Low vibration 3.High quality and High speed 4.Reasonable price Pillow Block and Insert Bearings1.Bearing block ... type: UCP, UCF,UCFL,UCT,UCFC...2.Brand: Neutral Brand3.Material: Chome ... :1.Low-noise deep groove ball bearing(mostly 6000 series)2.Pillow block bearings (UC,UCP,UCF,UCFL,UCFC,UCT...)3.Spherical ...