Permissible radial forces

      Ball bearings       Roller bearings      
    Length of shaft                
    extension 20,000 h   40,000 h   20,000 h   40,000 h  
Motor size Poles E (mm) FX0(N) FXmax(N) FX0(N) FXmax(N) FX0(N) FXmax(N) FX0(N) FXmax(N)
160 MLA 2 110 3540 2740 2955 2285 7100 4300 6140 4300
  4 110 4000 3100 3325 2570 8000 4300 6870 4300
  6 110 4170 3200 3440 2655 8600 4300 7270 4300
  8 110 4600 3585 3855 2985 9300 4300 7955 4300
160 MLB 2 110 3540 2740 2955 2270 7085 4300 6070 4300
  4 110 4085 3300 3370 2725 8300 4300 7055 4300
  6 110 4100 3355 3400 2755 8600 4300 7300 4300
  8 110 4200 3270 3455 2670 9000 4300 7570 4300
160 MLC 2 110 3400 2600 2855 2200 6800 4300 5885 4300
  4 110 3700 3000 3070 2485 7800 4300 6640 4300
  6 110 3600 2900 2870 2325 8000 4300 6700 4300
  8 110 4170 3370 3370 2725 9000 4300 7585 4300
160 MLD 2 110 3585 2900 3000 2440 7100 4300 6140 4300
  4 110 3400 2755 2755 2240 7600 4300 6370 4300
160 MLE 2 110 3185 2570 2640 2140 6785 4300 5770 4300
180 MLA 2 110 4100 3385 3455 2825 8125 5500 7025 5500
  4 110 4270 3485 3525 2885 8600 5500 7300 5500
  6 110 4700 3800 3855 3155 9400 5500 7900 5500
  8 110 4785 3900 3870 3170 9800 5500 8255 5500
180 MLB 2 110 4170 3400 3470 2825 7900 5500 6770 5500
  4 110 4185 3400 3440 2810 8500 5500 7200 5500
  6 110 4370 3570 3525 2885 9000 5500 7600 5500
180 MLC 4 110 3700 3055 3010 2470 7900 5500 6655 5440
200 MLA 2 110 5600 4685 4700 3925 10900 9100 9470 7900
  4 110 6285 5200 5240 4370 12500 9550 10700 8900
  6 110 6800 5700 5700 4770 13600 9550 11670 9550
  8 110 6800 5700 5600 4685 14100 9550 12000 9550
200 MLB 2 110 5670 4700 4700 3925 11000 9200 9500 7900
  4 110 5700 4700 4700 3925 12000 9550 10185 8500
  6 110 6400 5370 5300 4425 13200 9550 11200 9385
200 MLC 2 110 5000 4185 4185 3500 10400 8700 8900 7455
  4 110 5400 4500 4425 3685 11600 9550 9800 8200
  6 110 5800 4885 4740 3955 12500 9550 10600 8800
200 MLD 2 110 4985 4170 4170 3485 10400 8700 8900 7400
225 SMA 2 110 6400 5400 5355 4500 13300 10700 11500 9700
  4 140 7300 5900 6155 4970 15400 10250 13200 10250
  6 140 7600 6200 6370 5140 16400 10250 14000 10250
  8 140 8500 6900 7100 5725 17900 10250 15300 10250
225 SMB 2 110 6100 5185 5155 4340 13000 10700 11200 9455
  4 140 7085 5700 5885 4755 15100 10250 12900 10250
  6 140 7100 5700 5840 4700 16000 10250 13500 10250
  8 140 8000 6485 6600 5340 17300 10250 14700 10250
225 SMC 2 110 5600 4700 4685 3940 12600 10600 10770 9070
  4 140 6400 5200 5300 4285 14500 10250 12385 10000
225 SMD 2 110 5500 4640 4600 3880 12420 10460 10640 8960
  4 140 5800 4700 4725 3800 13500 10250 11400 9270
250 SMA 2 140 7700 6285 6500 5285 17100 10900 14900 10900
  4 140 8700 7000 7300 5900 19800 13800 17000 13785
  6 140 9400 7600 7800 6355 21600 13800 18400 13800
  8 140 9600 7800 7900 6400 22700 13800 19300 13800
250 SMB 2 140 7100 5800 6000 4885 16700 10900 14400 10900
  4 140 7800 6300 6470 5240 18900 13800 16200 13100
  6 140 8900 7200 7355 5955 21200 13800 18000 13800
250 SMC 2 140 6800 5500 5670 4600 16300 10900 14000 10900
  4 140 7400 6000 6055 4900 18100 13800 15400 12485
  6 140 8200 6600 6670 5400 20300 13800 17200 13800

 Permissible radial forces

      Ball bearings       Roller bearings      
    Length of shaft                
    extension 20,000 h   40,000 h   20,000 h   40,000 h  
Motor size Poles E (mm) FX0(N) FXmax(N) FX0(N) FXmax(N) FX0(N) FXmax(N) FX0(N) FXmax(N)
280 SM_ 2 140 7300 6000 5800 4900 20400 6000 16500 6000
  4 140 9200 7800 7300 6200 25100 9200 20300 9200
  6 140 10600 8900 8400 7000 28300 9200 23000 9200
  8 140 11700 9200 9200 7800 30900 9200 25100 9200
280 ML_ 2 140 7400 6200 5800 5000 20600 6200 16700 6200
  4 140 9200 7900 7300 6200 25000 9500 20300 9500
  6 140 10500 9000 8300 7100 28300 9400 22900 9400
  8 140 11600 9500 9200 7900 30800 9500 25000 9500
315 SM_ 2 140 7300 6000 5800 4950 20300 6000 16500 6000
  4 170 11400 9400 9000 7450 32500 9600 26600 9600
  6 170 13000 9600 10300 8500 37000 9600 30000 9600
  8 170 14400 9600 11400 9400 40300 9600 32700 9600
315 ML_ 2 140 7400 6400 5850 5050 20600 5850 16700 5850
  4 170 11500 9700 9100 7650 32700 13600 26500 13600
  6 170 13200 11100 10400 8800 36900 13600 29900 13600
  8 170 14500 12200 11500 9700 40200 13600 32600 13600
315 LK_ 2 140 7400 6550 5800 5150 20800 5550 16800 5550
  4 170 11500 10000 9100 7850 33100 13350 26800 13350
  6 170 13200 11400 10450 9050 37300 13350 30300 13350
  8 170 14600 12600 11550 10000 40800 13350 33100 13350
355 SM_ 2 140 7350 6450 5750 5050 20600 7200 16700 7200
  4 210 15200 12600 12000 9950 45500 14000 36900 14000
  6 210 17500 14000 13800 11400 51400 14000 41700 14000
  8 210 19300 14000 15250 12600 56000 14000 45500 14000
355 ML_ 2 140 7350 6550 5750 5100 20800 6750 16800 6750
  4 210 15300 12900 12000 10100 45900 13600 37200 13600
  6 210 17600 13600 13900 11600 51500 13600 42100 13600
  8 210 19400 13600 15300 12900 56000 13600 45900 13600
355 LK_ 2 140 7350 6650 5650 5100 21000 6550 17000 6550
  4 210 15200 13000 11850 10200 46000 13000 37300 13000
  6 210 17500 13000 13700 11900 52000 13000 42000 13000
  8 210 19400 13000 15200 13000 56500 13000 46000 13000
400 L_ 2 170 7650 6850 4400 3900 23900 9050 19350 9050
  4 210 15600 13550 12150 10550 52500 16000 43300 16000
  6 210 17800 15450 13850 12000 60000 16000 48800 16000
  8 210 19700 16000 15350 13350 65700 16000 53200 16000
400 LK_ 2 170 7650 6850 4400 3900 23900 9050 19350 9050
  4 210 15600 11500 12150 10550 52500 11500 43300 11500
  6 210 17800 11500 13850 11500 60000 11500 48800 11500
  8 210 19700 11500 15350 11500 65700 11500 53200 11500
450 L_ 2 170 7400 6700 3500 3300 24000 7500 19000 7500
  4 210 17000 15200 13000 11600 62000 25000 50000 25000
  6 210 19000 17000 14000 13000 70000 24000 56000 24000
  8 210 21300 19000 16500 14600 76000 23000 62000 23000

 Mechanical design

Axial forces

01 Mounting arrangement IM B3.

02 Mounting arrangement IM V1.

The following tables present permissible axial forces on the shaft in Newtons, assuming zero radial force, a 25 °C ambient temperature, and normal conditions. The values are given for a calculated bearing life of 20,000 and 40,000 hours per motor size.

At 60 Hz, the values must be reduced by 10 percent, and for two-speed motors, the higher speed determines permissible axial force. Permissible loads of simultaneous radial and axial forces can be supplied on request.

For axial force FAD, it is assumed that the D-bearing is locked with a locking ring.

Permissible axial forces

      Mounting arrangement IM B3       Mounting arrangement IM V1      
    Length of shaft Deep groove ball bearings       Deep groove ball bearings      
    extension 20,000 h   40,000 h   20,000 h   40,000 h  
Motor size Poles E (mm) FAD(N) FAZ(N) FAD(N) FAZ(N) FAD(N) FAZ(N) FAD(N) FAZ(N)
71 2 30 615 285 505 175 630 275 520 165
  4 30 760 430 615 285 790 410 645 265
  6 30 870 540 695 365 890 525 720 355
  8 30 960 630 765 435 985 615 785 415
80 2 40 880 300 735 155 915 280 770 135
  4 40 1075 495 880 300 1130 455 935 260
  6 40 1215 635 985 405 1270 600 1040 370
  8 40 1330 750 1070 490 1400 705 1140 450
90 2 50 780 500 620 340 840 455 680 300
  4 50 985 705 775 495 1070 650 860 440
  6 50 1140 860 890 610 1225 800 975 555
  8 50 1265 985 985 705 1355 925 1075 645
100 2 60 925 570 735 350 1285 510 1060 290
  4 60 1480 860 1190 570 1600 780 1305 490
  6 60 1690 1070 1350 730 1815 995 1470 650
  8 60 1865 1245 1480 860 1995 1160 1610 775
      Mounting arrangement IM B3       Mounting arrangement IM V1      
    Length of shaft Deep groove ball bearings       Deep groove ball bearings      
    extension 20,000 h   40,000 h   20,000 h   40,000 h  
Motor size Poles E (mm) FX0(N) FXmax(N) FX0(N) FXmax(N) FX0(N) FXmax(N) FX0(N) FXmax(N)
112 2 60 1155 595 935 375 1290 505 1070 280
  4 60 1445 885 1155 595 1595 785 1300 495
  6 60 1655 1095 1315 755 1810 995 1465 650
  8 60 1830 1270 1445 885 1985 1170 1600 780
132 2 80 1765 965 1420 620 1925 855 1580 510
  4 80 2210 1410 1755 955 2420 1270 1965 815
  6 80 2535 1735 2000 1200 2770 1580 2235 1045
  8 80 2800 2000 2205 1405 3055 1835 2455 1235
160 MLA 2 110 2850 2850 2325 2325 3100 2578 2570 2048
  4 110 3450 3450 2775 2775 3820 3150 3120 2450
  6 110 3690 3690 2970 2970 4100 3410 3325 2635
  8 110 4155 4155 3315 3315 4440 3845 3640 3045
160 MLB 2 110 2850 2850 2325 2325 3120 2570 2580 2030
  4 110 3435 3435 2760 2760 3880 3085 3180 2385
  6 110 3600 3600 2880 2880 4120 3240 3360 2480
  8 110 3750 3750 2970 2970 4140 3450 3340 2650
160 MLC 2 110 2775 2775 2280 2280 3080 2500 2560 1980
  4 110 3150 3150 2535 2535 3620 2770 2985 2135
  6 110 3135 3135 2490 2490 3680 2700 3005 2025
  8 110 3675 3675 2910 2910 4240 3260 3445 2465
160 MLD 2 110 2865 2865 2330 2330 3220 2540 2665 1985
  4 110 2900 2900 2320 2320 3420 2470 2820 1870
160 MLE 2 110 2500 2500 2025 2025 2900 2150 2420 1670
180 MLA 2 110 3300 3300 2700 2700 3660 2940 3060 2340
  4 110 3600 3600 2920 2920 4160 3150 3460 2450
  6 110 4140 4140 3320 3320 4800 3675 3940 2815
  8 110 4220 4220 3360 3360 4960 3740 4040 2820
180 MLB 2 110 3340 3340 2725 2725 3760 2960 3125 2320
  4 110 3580 3580 2900 2900 4220 3095 3500 2375
  6 110 3800 3800 3040 3040 4500 3285 3700 2485
180 MLC 4 110 3220 3220 2560 2560 3880 2660 3220 2000
200 MLA 2 110 4460 4460 3640 3640 5000 3965 4200 3125
  4 110 5000 5260 4260 4260 5000 4680 5000 3640
  6 110 5000 5480 4720 4720 5000 5265 5000 4065
  8 110 5000 5880 4700 4700 5000 5195 5000 3955
200 MLB 2 110 4440 4440 3620 3620 5000 3905 4220 3085
  4 110 4720 4720 3840 3840 5000 4060 4700 3120
  6 110 5000 5480 4420 4420 5000 4800 5000 3660
200 MLC 2 110 3940 3940 3180 3180 4600 3385 3880 2665
  4 110 4480 4480 3620 3620 5000 3775 4520 2875
  6 110 4980 4980 3980 3980 5000 4165 5000 3105
200 MLD 2 110 3940 3940 3200 3200 4660 3370 3925 2635

 

      Mounting arrangement IM B3       Mounting arrangement IM V1      
    Length of shaft Deep groove ball bearings       Deep groove ball bearings      
    extension 20,000 h   40,000 h   20,000 h   40,000 h  
Motor size Poles E (mm) FAD(N) FAZ(N) FAD(N) FAZ(N) FAD(N) FAZ(N) FAD(N) FAZ(N)
225 SMA 2 110 4980 4980 4060 4060 5000 4375 4780 3455
  4 140 5000 6080 4920 4920 5000 5445 5000 4225
  6 140 5000 6520 5000 5260 5000 5735 5000 4395
  8 140 5000 7420 5000 5960 5000 6535 5000 5095
225 SMB 2 110 4860 4860 3960 3960 5000 4245 4780 3345
  4 140 5000 5880 4780 4780 5000 5175 5000 3995
  6 140 5000 6020 4840 4840 5000 5155 5000 3915
  8 140 5000 6940 5000 5560 5000 6055 5000 4635
225 SMC 2 110 4380 4380 3540 3540 5000 3670 4440 2900
  4 140 5000 5240 4260 4260 5000 4445 5000 3425
225 SMD 2 110 4320 4320 3480 3480 5000 3590 4400 2790
  4 140 4800 4800 3820 3820 5000 3895 5000 2935
250 SMA 2 140 6000 6080 4920 4920 6000 5345 5840 4225
  4 140 6000 7140 5820 5820 6000 6300 6000 4920
  6 140 6000 7880 6000 6380 6000 6950 6000 5350
  8 140 6000 8200 6000 6600 6000 7125 6000 5385
250 SMB 2 140 5620 5620 4540 4540 6000 4830 5640 3810
  4 140 6000 6320 5100 5100 6000 5325 6000 4085
  6 140 6000 7480 6000 6040 6000 6370 6000 4830
250 SMC 2 140 5260 5260 4220 4220 6000 4395 5400 3415
  4 140 5960 5960 4760 4760 6000 4900 6000 3700
  6 140 6000 6860 5520 5520 6000 5575 6000 4135
280 SM_ 2 140 6200 4250 4900 2900 7550 3150 6200 1800
  4 140 8000 6000 6250 4250 9600 4550 7800 2750
  6 140 7250 9250 7150 5150 11150 5500 9000 3350
  8 140 10300 8300 7950 5950 12200 7000 9850 4700
280 ML_ 2 140 6100 4100 4800 2800 8150 2750 6800 1400
  4 140 7800 5800 6000 4000 10450 4050 8650 2250
  6 140 8950 6950 6900 4900 12350 4750 10250 2600
  8 140 10000 8000 7700 5700 13450 5800 11050 3450
315 SM_ 2 140 6180 4200 4850 2850 7950 2600 6600 1300
  4 170 9400 7400 7250 5250 11750 5500 9550 3300
  6 170 10900 8900 8350 6350 13600 6300 11050 3750
  8 170 12000 10000 9200 7000 15350 7900 12450 5000
315 ML_ 2 140 6050 4050 4750 2750 8650 2300 7300 1)
  4 170 9250 7250 7100 5100 12500 5050 10300 2900
  6 170 10650 8650 8100 6100 14900 5800 12350 3250
  8 170 11500 9900 8900 6800 15400 6300 13600 3400
315 LK_ 2 140 6000 3950 4650 2650 9100 1350 7750 1)
  4 170 9100 7150 7000 5000 13100 3850 10900 1700
  6 170 10500 8500 7950 5950 15700 4100 13100 1550
  8 170 11750 9750 8900 6900 16900 6300 14100 3450

 Permissible axial forces

 

      Mounting arrangement IM B3       Mounting arrangement IM V1      
    Length of shaft Deep groove ball bearings       Deep groove ball bearings      
    extension 20,000 h   40,000 h   20,000 h   40,000 h  
Motor size Poles E (mm) FAD(N) FAZ(N) FAD(N) FAZ(N) FAD(N) FAZ(N) FAD(N) FAZ(N)
355 SM_ 2 140 3050 6850 1750 5550 6350 4250 4950 2900
  4 210 8600 12400 5900 9700 13250 8600 10450 5850
  6 210 10550 14350 7300 11100 15650 9580 12350 6270
  8 210 12200 16000 8550 12350 17350 12500 13600 8900
355 ML_ 2 140 2900 6700 1600 5400 7100 3700 5750 2350
  4 210 8360 12150 5650 9450 14600 7950 11850 5150
  6 210 10100 13900 6900 10700 18050 8600 14700 5300
  8 210 12000 15800 7300 11000 21100 11650 17000 7600
355 LK_ 2 140 2650 6450 1350 5150 8250 2650 6900 1300
  4 210 8200 12000 5450 9250 15650 6600 12850 3800
  6 210 9900 13700 6700 10500 19100 7050 15800 3750
  8 210 11450 15250 7800 11600 21200 8700 17500 5000
400 L, LK_ 2 170 2150 7150 1) 5800 8650 2150 7220 1)
  4 210 7100 13100 4300 10300 16050 6400 13150 3400
  6 210 8850 14850 5500 11500 18450 6750 15100 3400
  8 210 10450 16450 6750 12750 20100 8350 16450 4700
450 L_ 2 170 1800 6800 1) 5500 11500 1) 10000 1)
  4 210 7600 13500 4500 10500 20000 4400 17700 1200
  6 210 9000 15000 5600 11500 26000 3700 22200 1)
  8 210 10800 16800 7000 12900 27800 5500 23700 1350

 1) On request.

 Terminal box

Standard terminal box

Degree of protection and mounting options

The degree of protection for the standard terminal box is IP 55. By default, terminal boxes are mounted on top of the motor at D-end. In motor sizes 71 -132, the terminal box is integrated in motor frame.

On request, the terminal box can also be mounted on the left or right side regardless of motor size (see Mounting options).

Turnability

In frame sizes 71 to 132 the terminal box is integrated into the frame and can therefore not be turned. Please use the variant code 400 if there is a

need to have 4*90° turnability.

The standard terminal boxes for motor sizes 160 to 355 can be turned 4*90°. On frame sizes 400-450 the terminal box can not be turned without turning the terminal board. In these frame sizes you need to specify the cable entry direction when ordering, by using the variant codes 022, 468 or 469.

Cable entries

The terminal box is provided with tapped holes for cable glands. No cable glands are included as standard, the entry holes are closed with blanking plugs made of plastic. Very large motors have an angle adapter between the terminal box and the cable gland. Please refer to the table on the next page for further information about the amount and size of threaded holes, plugs and cable sealing units provided as standard.

Different types of cable glands are available as option. Please refer to the terminal box alternatives section for more details.

Cable type and terminations

If no cable type is specified in the order, it will be a PVC-insulated non-armored cable, and its termination parts are determined as shown in the following table.

Terminations are suitable for copper and aluminum cables. Cables are connected to terminals by cable lugs, which are not included in the delivery.

Ordering

To ensure the delivery of desired terminations for the motor, state the cable type, quantity, size, and outer diameter when ordering. Non-standard designs of terminal boxes, such as non-standard size or higher degree of protection, are available as options.

See section Variant codes for all options available.

 

 

Terminal box dimensions
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