Open polymer plain linear bearing Mounted Inside Dia 20 mm Material Anodized Aluminum Accelerated Speed 8 Meters/Second Bearing Type Ball Bushing Body Width (In.) 60 mm Dimension a 2.362 in Dimension A1 1.181 in Dimension A1 (In.) 1.181 in Dimension A (In.) 2.362 in Dimension B 2.126 in Dimension B (In.) 2.126 in Dimension d 0.787 in Dimension E 1.26 in Dimension E1 1.772 in Dimension E1 (In.) 1.772 in Dimension E (In.) 1.26 in