The flange measures 3 inches in diameter and is 1/8 of an inch thick

Rough Wall Opening: 12-5/8" W x 26-1/2" H x 3-3/4" min

Shaft Length: 10

Mounting kits and grab bar fasteners are available for purchase separately as well as optional anchoring devices

Century AO Smith H966 C-Face Com. Pump Motor, 3/4 HP, 3-Phase, 3450 RPM, 575V, 56J Frame Paper Towel Type-Towel Roll The flange measures 3 inchesFeatures: 40 degree C ambient, Stainless steel shaft Item: General Purpose AC Motor, Motor Type: 3 Phase, HP: 3 4, Nameplate RPM: 3450, Voltage: 575, Frame: 56J, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 60, Phase: 3, Speeds: 1, Service Factor: 1, Insulation Class: B, Bearings: Ball, Base: None, Shaft Type: Threaded, Shaft Number: 1, Shaft Length: 1. 875", Shaft Dia.: 0. 625", "C" Dim: 11. 84, Protection: None, Thermal Protection: No,