Image 1 of 1 4" Solid Coupling for 3/4" Shaft $134.30 4" Solid Coupling for 3/4" Shaft Add To Cart Added! 4" Solid Coupling for 3/4" Shaft You Might Also Like Quick View Solid Hub Coupling - Flange 5" | Bore 1.125" $202.47 Quick View Solid Hub Coupling - Flange 5" | Bore 1.375" | M-Pilot Dia 2.25" | 4 Bo $0.01 Quick View Solid Hub Coupling - Flange 4.75" | Bore 1.25" | F-Pilot Dia 2.5" | 6 Bolt $277.86 Quick View Solid Hub Coupling - Flange 3.945" | Bore 1.125" | F-Pilot Dia 2.366" | 4 Bolt - 10mm $141.63 Quick View Coupling Type, Solid ; Shaft Size, 1-1/4 inch ; Flange Diameter, 3.945 inch. $141.63