A.O.Smith Motor Catalog - Universal Electric Motors

General Purpose IHP Motor DimensionsSingle and Three Phase 143T-449T Frame • Dripproof • Totally Enclosed • Explosion-ProofNEMAFrame Keyway BA D 1 E 2F H N U 2 V 3143T 3⁄16 x 3⁄32 2.25 3.50 2.75 4.00 11⁄32 2.31 .875 2.00145T 3⁄16 x 3⁄32 2.25 3.50 2.75 5.00 11⁄32 2.31 .875 2.00182T 1⁄4 x 1⁄8 2.75 4.50 3.75 4.50 13⁄32 2.81 1.125 2.50184T 1⁄4 x 1⁄8 2.75 4.50 3.75 5.50 13⁄32 2.81 1.125 2.50213T 5⁄16 x 5⁄32 3.50 5.25 4.25 5.50 13⁄32 3.50 1.375 3.13215T 5⁄16 x 5⁄32 3.50 5.25 4.25 7.00 13⁄32 3.50 1.375 3.13254T 3⁄8 x 3⁄16 4.25 6.25 5.00 8.25 17⁄32 4.25 1.625 3.75256T 3⁄8 x 3⁄16 4.25 6.25 5.00 10.00 17⁄32 4.25 1.625 3.75284T 1⁄2 x 1⁄4 4.75 7.00 5.50 9.50 17⁄32 4.88 1.875 4.38284TS 3⁄8 x 3⁄16 4.75 7.00 5.50 9.50 17⁄32 3.50 1.625 3.00286T 1⁄2 x 1⁄4 4.75 7.00 5.50 11.00 17⁄32 4.88 1.875 4.38286TS 3⁄8 x 3⁄16 4.75 7.00 5.50 11.00 17⁄32 3.50 1.625 3.00324T 1⁄2 x 1⁄4 5.25 8.00 6.25 10.50 21⁄32 5.50 2.125 5.00324TS 1⁄2 x 1⁄4 5.25 8.00 6.25 10.50 21⁄32 4.00 1.875 3.50326T 1⁄2 x 1⁄4 5.25 8.00 6.25 12.00 21⁄32 5.50 2.125 5.00326TS 1⁄2 x 1⁄4 5.25 8.00 6.25 12.00 21⁄32 4.00 1.875 3.50364T 5⁄8 x 5⁄16 5.88 9.00 7.00 11.25 21⁄32 6.13 2.375 5.63364TS 1⁄2 x 1⁄4 5.88 9.00 7.00 11.25 21⁄32 4.00 1.875 3.50365T 5⁄8 x 5⁄16 5.88 9.00 7.00 12.25 21⁄32 6.13 2.375 5.63365TS 1⁄2 x 1⁄4 5.88 9.00 7.00 12.25 21⁄32 4.00 1.875 3.50404T 3⁄4 x 3⁄8 6.63 10.00 8.00 12.25 13⁄16 7.50 2.875 7.00404TS 1⁄2 x 1⁄4 6.63 10.00 8.00 12.25 13⁄16 4.50 2.125 4.00405T 3⁄4 x 3⁄8 6.63 10.00 8.00 13.75 13⁄16 7.50 2.875 7.00405TS 1⁄2 x 1⁄4 6.63 10.00 8.00 13.75 13⁄16 4.50 2.125 4.00444T 7⁄8 x 7⁄16 7.50 11.00 9.00 14.50 13⁄16 8.87 3.375 8.25444TS 5⁄8 x 5⁄16 7.50 11.00 9.00 14.50 13⁄16 5.12 2.375 4.50445T 7⁄8 x 7⁄16 7.50 11.00 9.00 16.50 13⁄16 8.87 3.375 8.25445TS 5⁄8 x 5⁄16 7.50 11.00 9.00 16.50 13⁄16 5.12 2.375 4.50445TZ 1 x 1⁄2 5 7.50 11.00 9.00 16.50 13⁄16 11.25 3.875 10.625447T 7⁄8 x 7⁄16 4 7.50 11.00 9.00 20.00 13⁄16 8.87 3.875 8.25447TS 5⁄8 x 5⁄16 4 7.50 11.00 9.00 20.00 13⁄16 5.12 2.375 4.50447TZ 1 x 1⁄2 5 7.50 11.00 9.00 20.00 13⁄16 11.25 3.875 10.625449T 7⁄8 x 7⁄16 4 7.50 11.00 9.00 25.00 13⁄16 8.87 3.375 8.25449TS 5⁄8 x 5⁄16 4 7.50 11.00 9.00 25.00 13⁄16 5.12 2.375 4.50449TZ 1 x 1⁄2 5 7.50 11.00 9.00 25.00 13⁄16 11.25 3.875 10.625Notes:1Dimension “D” tolerance: - 8” or less, +.000, -.031; over 8”, +.000-.0622Dimension “U” tolerance: - 11⁄2” dia. or less, +.0000, -.0005; over 11⁄2” dia., +.000, -.0013Dimension “V” is usable length of shaft4Suitable for horizontal mounting only. Refer to company for belting applications.5Crusher-duty motors Spec 80546For Reference Only UnlessApproved for Constructionwww.aosmithmotors.com273