Image 1 of 1 50MCY00411 Solid Hub Coupling - Flange 4" | Bore 1.125" $132.62 Solid Hub Coupling - Flange 4" | Bore 1.125" Add To Cart Added! Solid Hub Coupling - Flange 4" | Bore 1.125" You Might Also Like Quick View Solid Hub Coupling - Flange 5" | Bore 1.375" | M-Pilot Dia 2.25" | 4 Bo $0.01 Quick View 4" Solid Coupling for 3/4" Shaft $134.30 Quick View Solid Hub Coupling - Flange 4" | Bore 1.50" $132.62 Quick View 5" OD Flange x 3 1/2" D x 3 1/4" $135.04 Quick View Coupling - Flange 4" | Bore 1.00" | M-Pilot Dia 2.5" | 4 Bolt - .375" $170.65