1.Product Overview The THK BF25 is a square-type fixed-end or supported-side ball screw support unit designed for a 25mm shaft diameter, utilizing a deep-groove ball bearing to stabilize rotating machine components 👉 Get a quote within 24 hours for your project 2.Technical Specifications Model: BF 25 Inner Diameter (ID): 25 mm Outer Diameter (OD): 30 mm Width: 106 mm Structure: Ball screw side support Cage: Steel cage Clearance Class: C3 enlarged radial clearance Design: