Linear motion bearing 1.high quality,high precision 2.competitive price 3.prompt delivery 4.low voice,long life Linear motion bearing1.Minimum Order Quantity: 1 ... : P0,P2,P4,P5,P6 6.Material: GCr15, GCr15SiMn, G20Cr2Ni4A.bearing steel,carbon steel,chrome steel,iron7.Delivery : Air,Sea,Express8 ...