Mounted Linear Bearing Inside Dia 5/8 in Material Aluminum Accelerated Speed 14 fps Bearing Type Plain Body Width (In.) 1.75 in Bolt Size #8 Dimension a 0.875 in Dimension A (In.) - Dimension B 2.5 in Dimension B (In.) - Dimension C 4 in Dimension C (In.) - Dimension d 1.625 in Dimension D (In.) - Dimension E 2.125 in Dimension E (In.) - Dimension F 3 in Dimension F1 1.125 in