Linear Stroke Bush ST-B 1.Professional manufacturer 2.Stock available 3.Reliable quality 4.Wholesale Linear Stroke Bush ST ST-B,please check IXIN pdf catalog for details. Product Name: Linear Rail, linear bearing, linear motion bearings, linear bearing block, linear slide busing, slide bearing caseMain Material:Bearing body: GCr15/100Cr6/SUJ2, POMBearing Retainer:POMBall: GCr15/100Cr6/SUJ2, 440C, ...