Linear Pillow Block Bearing Inside Dia 20 mm Material Aluminum Alloy Accelerated Speed up to 150 m/sq sec Bearing Type Ball Body Width (In.) 60 mm Bolt Size - Color Silver Dimension a 60 mm Dimension A1 30 mm Dimension A (In.) - Dimension B 54 mm Dimension B (In.) - Dimension C - Dimension C (In.) - Dimension D (In.) - Dimension E 32 mm Dimension E1 45 mm Dimension E (In.) -