Linear Pillow Block Bearing Inside Dia 40 mm Material Aluminum Alloy Bearing Type Ball Body Width (In.) 108 mm Bolt Size - Color Silver Dimension a 108 mm Dimension A1 54 mm Dimension A (In.) - Dimension B 176 mm Dimension B (In.) - Dimension C - Dimension C (In.) - Dimension d 40 mm Dimension D (In.) - Dimension E 124 mm Dimension E1 86 mm Dimension E (In.) -