A.O.Smith Motor Catalog - Universal Electric Motors

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Mechanical DimensionsFeaturesDimensionsDrip-proof, Totally Enclosed Fan Cooled andExplosion Proof. All dimensions are approximate,not to be used for construction purposes.Note: Drawing shows rigid base. Foot mountingdimensions listed are identical for either rigid orresilient base mounting. For 56H CombinationFoot, refer to Diagram 1. For C Flange motors,refer to Diagram 2.56H Combination Foot5.00Ref.6.502.75 2.753.00Ref.Common to All Squirrel Cage <strong>Motor</strong>sFrame D E F BA U N-W Key Size42 2-5/8 1-3/4 27/32 2-1/16 3/8 1-1/8 .05 Flat48 3 2-1/8 1-3/8 2-1/2 1/2 1-5/8 .05 Flat56 3-1/2 2-7/16 1-1/2 2-3/4 5/8 1-7/8 3/16 sq. x 1-3/856H 3-1/2 Dia. 1 Dia. 1 2-3/4 5/8 1-7/8 3/16 sq. x 1-3/856C See Diagram 2 5/8 1-7/8 3/16 sq. x 1-3/856J See Diagram 2 5/8 2-7/16 Threaded143T 3-1/2 2-3/4 2 2-1/4 7/8 2-1/4 3/16 sq. x 1-3/8145T 3-1/2 2-3/4 2-1/2 2-1/4 7/8 2-1/4 3/16 sq. x 1-3/8Diagram 1Suffix “Y” = Special Mount Dim.Suffix “Z” = Special Shaft Dim.56J1-7/8”11/16”56C (FACE)45˚45˚2-1/16”56CConversion ChartDecimalFraction0.0313 1/320.0625 1/160.0938 3/320.1250 1/80.1563 5/320.1875 3/160.2188 7/320.2500 1/40.2813 9/320.3125 5/160.3438 11/320.3750 3/80.4063 13/320.4375 7/160.4688 15/320.5000 1/20.5313 17/320.5625 9/160.5938 19/320.6250 5/80.6563 21/320.6875 11/160.7188 23/320.7500 3/40.7813 25/320.8125 13/160.8438 27/320.8750 7/80.9063 29/320.9375 15/160.9688 31/321/8Thd-Pitch: 7/16, 20UNF, 2ADia: 3995/4037”5/32”.6245”.6250”4.500”4.497”AGBX6-5/641/2-14 STRAIGHT PIPE THD.1/2-2OUNF-2A THD..4619/.4662 PITCH DIA.SQUARE FLANGEDiagram 35.875” Dia.B.C.4 Mounting Holes 3/8-16, UNC 2B,Max. Depth of Screw in Casting: 5/8”9/16BC10”R.1/2.6245.625045˚6-1/245˚KeyedDIA. BORECONCENTRICITY OFBORE WITH SHAFTWITHIN .003 T.I.R.2-9/16R5.7505.752TENON PADS& BOX FACESSQUARE WITHSHAFT L WITHIN.004 T.I.R.7.125 DIA. B.C.1/4-2OUNC-2B L.H. THD. 1/2 DEEP13/32 DIA. (4) HOLES, EQUALLYSPACED AS SHOWN.6245”.6250”Diagram 23/16”Keyway272 www.aosmithmotors.com
General Purpose IHP <strong>Motor</strong> 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
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T H E C U R R E N T S T A T E O FC
Page 3:
C FramePages 8-102-75W Unit Bearing
Page 6 and 7:
Speed Engineered® MotorsMotors spe
Page 8 and 9:
Index of FootnotesNo. Footnote Desc
Page 10 and 11:
C Frame MotorsDirect Replacement Mo
Page 12 and 13:
C Frame MotorsDirect Replacement Mo
Page 14 and 15:
Unit Bearing Fan MotorsFeatures:•
Page 16 and 17:
Special Unit Bearing Replacement Mo
Page 18 and 19:
Special Unit Bearing Replacement Mo
Page 20 and 21:
General Purpose Centrifugal Blowers
Page 22 and 23:
OEM Direct Replacement Centrifugal
Page 24 and 25:
OEM Direct Replacement Centrifugal
Page 26 and 27:
Blower Reference DimensionsStock No
Page 28 and 29:
CFM Specifications for BlowersNamep
Page 30 and 31:
Crossflow BlowersCrossflow/Tangenti
Page 32:
3-3/8” Diameter Stock MotorsDraft
Page 35 and 36:
Totally Enclosed Fan & Blower Duty3
Page 37 and 38:
Open Fan Cooled3-3/8” Diameter St
Page 39 and 40:
GE 11 Frame Replacements3-3/8” Di
Page 41 and 42:
Heating, Ventilating & Welding Unit
Page 43 and 44:
Refrigeration - Unit Heaters - Spac
Page 45 and 46:
Fan Coils - Dual Wheel Blower5” D
Page 47 and 48:
Fan Coils - Dual Wheel BlowerFeatur
Page 49 and 50:
Fan Coils - Dual Wheel BlowerFeatur
Page 51 and 52:
Continued from previous pageFurnace
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Page 55 and 56:
Page 57 and 58:
Unit Heater5” Diameter Totally En
Page 59 and 60:
Heating & Air Conditioning5-5/8”
Page 61 and 62:
Furnaces - Air Handlers - Fan Coils
Page 63 and 64:
Continued from previous page5-5/8
Page 65 and 66:
Room Air Conditioners -Fan Coils -
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Page 69 and 70:
5-5/8” Diameter Fan/Blower Motors
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Page 73 and 74:
Continued from previous pageFan Coi
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Fan Coils - Dual Wheel Blower5-5/8
Page 77 and 78:
5-5/8” Diameter (4-in-1®) Multi-
Page 79 and 80:
5-5/8” Diameter (Open Lead End) -
Page 81 and 82:
5-5/8” Diameter (Totally Enclosed
Page 83 and 84:
5-5/8” Diameter (Totally Enclosed
Page 85 and 86:
5-5/8” Diameter Deluxe Commercial
Page 87 and 88:
56 Frame Vertical Condenser Fan Con
Page 89 and 90:
One and 2-Speed Evaporative Cooler
Page 91 and 92:
48 & 56 Frame Special Purpose Motor
Page 93 and 94:
Oil Burner MotorsApplications: Dome
Page 95 and 96:
Century®and Universal Electric® H
Page 97 and 98:
O.E.M. - Direct ReplacementAir DecS
Page 99 and 100:
O.E.M. - Direct ReplacementArcoaire
Page 101 and 102:
O.E.M. - Direct ReplacementBohn (se
Page 103 and 104:
Continued from previous pageO.E.M.
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Page 107 and 108:
O.E.M. - Direct ReplacementDay/Nigh
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O.E.M. - Direct ReplacementEmerson
Page 111 and 112:
O.E.M. - Direct ReplacementFedders9
Page 113 and 114:
O.E.M. - Direct ReplacementFriedric
Page 115 and 116:
O.E.M. - Direct ReplacementHeil-Qua
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O.E.M. - Direct ReplacementHussmann
Page 119 and 120:
O.E.M. - Direct ReplacementJenn Air
Page 121 and 122:
O.E.M. - Direct ReplacementKramer T
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Page 125 and 126:
O.E.M. - Direct ReplacementMid Cont
Page 127 and 128:
O.E.M. - Direct ReplacementReznorSt
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Page 131 and 132:
O.E.M. - Direct ReplacementSinger95
Page 133 and 134:
O.E.M. - Direct ReplacementTrane773
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O.E.M. - Direct ReplacementTriangle
Page 137 and 138:
O.E.M. - Direct ReplacementWestingh
Page 139 and 140:
O.E.M. - Direct ReplacementYork7706
Page 141 and 142:
Continued from previous pageBelt Dr
Page 143 and 144:
Quick-Fit MotorsSplit Phase Adjusta
Page 145 and 146:
Belted Drive Motors - Resilient Bas
Page 147 and 148:
C-Face Ventilator Motors48 & 56 Fra
Page 149:
Continued from previous pageCapacit
Page 152 and 153:
NEMA “C” Face • General Purpo
Page 154 and 155:
Capacitor Start TEFC C-Face MotorsF
Page 156 and 157:
Capacitor Start Enclosed Rigid Base
Page 158 and 159:
Three Phase ODP Resilient Base Moto
Page 160 and 161:
Century® Fan and Blower Motors •
Page 162 and 163:
Three Phase TEFC NEMA “C” Face
Page 164 and 165:
Century® NEMA “C” Face • Gen
Page 166 and 167:
Three Phase ODP MotorsFeatures:•
Page 168 and 169:
Three Phase ODP MotorsContinued fro
Page 170 and 171:
Page 172 and 173:
Three Phase ODP MotorsFeatures:Cont
Page 174 and 175:
Page 176 and 177:
Three Phase TEFC MotorsFeatures:Con
Page 178 and 179:
Three Phase TEFC MotorsContinued fr
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Page 182 and 183:
Page 184 and 185:
Page 186 and 187:
Page 188 and 189:
Page 190 and 191:
Century® Industrial E-Plus®3 Nema
Page 192 and 193:
Century® Multi-Speed • Three Pha
Page 194 and 195:
Century® Multi-Speed • Three Pha
Page 196 and 197:
Century® High Pressure Washer Moto
Page 198 and 199:
Explosion-Proof MotorsApplications:
Page 200 and 201:
Century® Industrial IEC Metric Mot
Page 202 and 203:
Century® Farm Building Direct Driv
Page 204 and 205:
Poultry Duty MotorsFeatures:• Bal
Page 206 and 207:
Century® Farm-Rated MotorsExtra Hi
Page 208 and 209:
Century® Crop Dryer Farm MotorsDir
Page 210 and 211:
Century® Replacement Zero Milk Tan
Page 212 and 213:
Two Compartment NEMA C-Face Pool Fi
Page 214 and 215:
NEMA C-Face 3-Phase Pump MotorsFeat
Page 216 and 217:
Century® C-Face Pool and Spa Pump
Page 218 and 219:
Two Compartment Square Flange Pool
Page 220 and 221:
Century® Pool and Spa Pump Motors
Page 222 and 223:
Century® Pool and Spa Pump Motors
Page 224 and 225: Above Ground Swimming Pool Pump Mot
Page 226 and 227: Century® Swimming Pool Pump Motors
Page 228 and 229: Century® Purex Replacement Pump Mo
Page 230 and 231: Century® Hayward Northstar Replace
Page 232 and 233: Square Flange Single Phase Jet Pump
Page 234 and 235: Century® NEMA “C” Face Commerc
Page 236 and 237: Century® Close-Coupled Pump Motors
Page 238 and 239: Century® Industrial Close-Coupled
Page 240 and 241: Century® Close-Coupled Pump Motors
Page 242 and 243: Century® and Century® Industrial
Page 244 and 245: Century® Submersible Elevator Moto
Page 246 and 247: Century® Industrial Vector Control
Page 248 and 249: Century® Washdown MotorsFractional
Page 250 and 251: Century® Industrial PMDC Washdown
Page 252 and 253: Century® V-Pak PMDC Adjustable Spe
Page 254 and 255: Century® Industrial DC T-Pak Motor
Page 256 and 257: MSC 700 DC Motor Adjustable Speed C
Page 258 and 259: MSC 700 DC Motor Adjustable Speed C
Page 260 and 261: Parts & AccessoriesPlastic Fan Blad
Page 262 and 263: Parts & AccessoriesRubber CoverCap
Page 264 and 265: Parts & AccessoriesField Attachable
Page 266 and 267: Parts & AccessoriesBase kits, capac
Page 268 and 269: Parts & AccessoriesCentury II Repla
Page 270 and 271: Parts & AccessoriesShaft Adapter Ki
Page 272 and 273: A. O. Smith Rush CenterCR15 Convert
Page 276 and 277: NEMAFrameProgram“T”Frames1964NE
Page 278 and 279: Century® Definite Purpose Motor Di
Page 280 and 281: Century® Industrial DC Motor Dimen
Page 282 and 283: Century® Industrial DC Motor Dimen
Page 284 and 285: IndexSTOCK NEW PRICE WT. PAGENUMBER
Page 314 and 315: Index- Parts & AccessoriesSTOCK NO.
Page 316 and 317: Terms & ConditionsA. O. Smith Distr
Page 318 and 319: Statement of Warranty PolicyWarrant
Page 320 and 321: “Reliability You Can Count On”I
Page 322 and 323: Economical, Built in Electronics, E
Page 324:
QualitySelectionDelivery & ValueTha
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A.O.Smith Motor Catalog - Universal Electric Motors

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