... : HRC60-HRC64Material : GCr15Related products: LM UU open series and LM UU aj series. Structure: Linear bearing Who we are?We are Zhe Jiang ... Sinier Guide Co., Ltd, we produce cold rolled ball screw, linear ... tbr rail, TBI sbr rail with blockes. TBI rectangle wheel linear rail series. We are the TBI ball screw manufacturer . We could ...