Linear Bearings,Open,30mm ID x 68mm L
Tolerance - 47 mm, Material Delrin/Steel, Accelerated Speed 150 mm/sq sec, Between Grooves (mm) 51.30 mm, Outside Dia.7 mm, Dimension B -, Dimension C -, Dimension C1 -, Dimension C2 -, Dimension d -, Dimension D1 -, Dimension D (In.