A.O.Smith Motor Catalog - Universal Electric Motors

Metric Motor DimensionsB3B5/B14IEC/NEMA ComparisonB3 - Foot MountingIEC L C H A B K D ENEMA C BA D 2E 2F H U N-W Keyway Bolt Hole63 212 40 63 100 80 7 11 23 4 x 2 M471 212 45 71 112 90 7 14 30 5 x 2.5 M580 284 50 80 125 100 10 19 40 6 x 3 M690S 294 56 90 140 100 10 24 50 8 x 4 M890L 334 56 90 140 125 10 24 50 8 x 4 M8100L 362 63 100 160 140 12 28 60 8 x 4 M10112M 394 70 112 190 140 12 28 60 8 x 4 M10132S 451 89 132 216 140 12 38 80 10 x 5 M12132M 489 89 132 216 178 12 38 80 10 x 5 M12160M 595 108 160 254 210 15 42 110 12 x 6 M16160L 639 108 160 254 254 15 42 110 12 x 6 M16180M 653 121 180 279 241 15 48 110 14 x 7 M16180L 691 121 180 279 279 15 48 110 14 x 7 M16200L 754 133 200 318 305 19 55 110 16 x 8 M20All Dimensions shown are metric.B5B5N P M S TAK BD AJ BF------ ------ ------ ------ ------110 160 130 10 3130 196 165 12 3.5130 196 165 12 3.5130 196 165 12 3.5180 250 215 15 4180 250 215 15 4230 300 265 15 4230 300 265 15 4250 350 300 19 5250 350 300 19 5250 350 300 19 5250 350 300 19 5B14B14N P M S TAK BD AJ60 90 75 M5 2.570 105 85 M6 2.595 140 115 M8 380 120 100 M6 395 140 115 M8 380 120 100 M6 395 140 115 M8 3110 160 130 M8 3.580 120 100 M6 395 140 115 M8 3110 160 130 M8 3.5110 160 130 M8 3.5110 160 130 M8 3.5www.aosmithmotors.com275