Explosion-protected electric motors - Hew-hf.de

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Bearings 1/12 Three-phase A.C. motors The following table shows the bearings used on the various motors. On 4, 6 and 8 pole motors the bearings have a service life of 20 000 hours if the load values stipulated in the tables on pages 1/14 and 1/15 are not exceeded. Only high-grade brand-name bearings are used. We also equip the motors (depending on the respective construction) with other types and sizes of bearing on request. The standard version bearings for construction sizes 63 to 225 are on the D-side (drive side), and for construction sizes 250 to 315 they are on the N-side (non-drive side). The bearings are fixed bearings. Bearing Construction size Poles DS bearing NS bearing Sealing ring 63 2-8 6202 2Z C3 6202 2Z C3 12 x 32 x 7 71 2-8 6203 2Z C3 6203 2Z C3 17 x 40 x 7 80 2-8 6204 2Z C3 6204 2Z C3 20 x 47 x 7 90 2-8 6205 2Z C3 6205 2Z C3 25 x 52 x 7 100 2-8 6206 2Z C3 6206 2Z C3 30 x 62 x 7 112 2-8 6206 2Z C3 6206 2Z C3 30 x 62 x 7 132 2-8 6208 2Z C3 6208 2Z C3 40 x 80 x 10 160 2-8 6309 2Z C3 6309 2Z C3 45 x 80 x 10 180 2-8 6310 2Z C3 6310 2Z C3 50 x 72 x 10 200 2-8 6312 2Z C3 6312 2Z C3 60 x 80 x 10 225 2-8 6313 2Z C3 6313 2Z C3 65 x 90 x 10 250 2-8 6314 2Z C3 6314 2Z C3 70 x 110 x 13 280 2-8 6316 2Z C3 6316 2Z C3 80 x 105 x 13 315 2-8 6317 2Z C3 6317 2Z C3 85 x 115 x 13 Motors with roller bearings up from size 160 upon request Motors up from size 250 available with insulated bearings Shaft ends The shaft ends are cylindrical and their design complies with EN 50347. Allocation to construction sizes and outputs as per DIN 42673 part 3 and DIN 42677 part 3. On all motors the DS shaft end has a centering hole as per DIN 332 part 2 form D. The NS shaft end has a centering holes as per DIN 332 part 1. The keys are as per DIN 6885 part 1 and are always supplied with the motors. The design with a second free shaft end is available on request. • up to a diameter of 50 mm – ISO k6 • over 50 mm – ISO m6 Shaft 11 mm 14 mm 19 mm 24 mm 28 mm 38 mm From 42 to From 55 to diameter 48 mm 80 mm Inner thread M5 M5 M6 M8 M10 M12 M16 M20 HEW DEx series
Three-phase A.C. motors
Page 1 and 2: 117 1892-2009 E-Motions by HEW ! Ex
Page 3: Three-phase A.C. motors Categories
Page 7 and 8: Three-phase A.C. motors Overview of
Page 9 and 10: Three-phase A.C. motors Ignition pr
Page 11 and 12: Three-phase A.C. motors Permitted u
Page 13 and 14: Three-phase A.C. motors Overview of
Page 15 and 16: Three-phase A.C. motors Constructio
Page 17: Three-phase A.C. motors Flange vari
Page 21 and 22: Three-phase A.C. motors Maximum rad
Page 23 and 24: Three-phase A.C. motors
Page 25 and 26: Three-phase A.C. motors Position of
Page 27 and 28: Three-phase A.C. motors Noise and v
Page 29 and 30: Three-phase A.C. motors Operation o
Page 31 and 32: Three-phase A.C. motors Customized
Page 33: Explosion-protected three-phase A.C
Page 36 and 37: No. of poles: 4 Nominal data at 400
Page 38 and 39: No. of poles: 8 Nominal data at 400
Page 40 and 41: No. of poles: 4-2 Nominal data at 4
Page 53 and 54: Dimension sheets
Page 55: Three-phase A.C. motors D DA E EA F
Page 59 and 60: Three-phase A.C. motors Types DEx 6
Page 61: Three-phase A.C. motors HA HD I K L
Page 65: Dimension sheets Customized motors
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Three-phase A.C. motors Types DEx 6
Page 72:
Types DEx 63 - 315 Special version:
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Explosion-protected electric motors - Hew-hf.de

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