SF40 NB Fine Shaft 1500mm Length Linear System MotionSF40 NB Fine Shaft Standard Shaft: NB Linear Systems 1500mm (59. 1" inch) Length 40mm Diameter Shaft SF40 NB Fine Shaft Standard, 40mm Diameter x 1500mm Long Shaft, the diversification of industrial needs for rationalization, energy cnservation, lower cost, Fine Shaft is mass produced to maintain the highest quality and accuracy while lowering component cost. Name: SF40 NB Shaft Type: NB Linear Systems Shaft Diameter: 40mm Length: 1500mm Quality: One