The mounting flanges measure 1-3/8 inches (35 millimeters) in diameter and are positioned on either end of the shower curtain rod

and vandalism

It's built to last longer with type 304 stainless steel

Crafted from die cast

Nidec US Motors FD12CM2PZY Auger Motor, 1/2 HP, Cap Start, 1800 RPM, 115, 230V, 56Y Frame Bradley The mounting flanges measure 1-3/8Features: Auger Motor Item: Farm Duty Motor, Motor Type: Capacitor Start, HP: 1 2, Nameplate RPM: 1800, Voltage: 115 230, Frame: 56Y, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 50, 60, Phase: 1, Speeds: 1, Service Factor: 1, Insulation Class: B, Mounting: Rigid, Bearings: Ball, Shaft Type: Key, Shaft Number: 1, Shaft Length: 1. 875", Shaft Dia.: 0. 625", "C" Dim: 11. 6, Protection: Manual, Thermal Protection: Yes, Cooling: Fan Cooled.