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Martin Sprocket & Gear Martin CSW12051X35UPC: 697950461113 | UNSPSC: 24101716 | GTIN:Conveyors & Conveyor Parts > Conveyor Parts > Conveyor PulleysMartin Wing Pulley, Standard Duty, MXT Bushing, 12 in Outside Dia, 51 in Face Width, 3-1/2 in Shaft DiaSpecs:Bushing Type: MXTShaft Diameter: 3-1/2 inFace Width: 51 inOutside Diameter: 12 inType: Standard DutyPackaging:Weight: 209.0 lbCertifications/Standards:CEMA Standard | NIBA Standard