www.jbj.co.uk/couplings.html#flender Zapex ZW Series Power Ratings Torsionally Rigid Gear Couplings 2 #DriveLineHarmony Size Rated Torque Maximum Torque Overload Torque Fatigue Torque Torsional Stiffness Permitted Axial Shaft ZW Misalignment TKN TKmax TKOL TKW CTdyn ΔKa Nm Nm Nm Nm kNm/rad mm 112 1300 2600 5200 520 2000 1.0 128 2500 5000 10000 1000 3600 1.0 146 4300 8600 17200 1720 6900 1.0 175 7000 14000 28000 2800 9360 1.0 198 11600 23200 46400 4640 15600 1.0 230 19000 38000 76000 7600 26300 1.0 910 1600000 3200000 6400000 640000 1118000 3.0 415 130000 260000 520000 52000 106000 1.5 852 1200000 2400000 4800000 480000 926000 3.0 465 180000 360000 720000 72000 134600 2.0 1240 3800000 7600000 15200000 1520000 3079000 3.0 1150 2700000 5400000 10800000 1080000 2120000 3.0 1380 5300000 10600000 21200000 2120000 4383000 4.0 690 660000 1320000 2640000 264000 431000 2.0 375 98000 196000 392000 39200 115600 1.5 290 39000 78000 156000 15600 44000 1.5 585 400000 800000 1600000 160000 263200 2.0 730 790000 1580000 3160000 316000 538000 2.0 1540 7200000 14400000 28800000 2880000 6115000 4.0 1310 4600000 9200000 18400000 1840000 3693000 4.0 315 54000 108000 216000 21600 64100 1.5 255 27000 54000 108000 10800 33400 1.5 505 250000 500000 1000000 100000 168700 2.0 545 320000 640000 1280000 128000 216900 2.0 342 69000 138000 276000 27600 81600 1.5 1020 1900000 3800000 7600000 760000 1339000 3.0 780 1000000 2000000 4000000 400000 696000 3.0 1080 2200000 4400000 8800000 880000 1605000 3.0 1160 3350000 6700000 13400000 1340000 2474000 3.0 1440 6250000 12500000 25000000 2500000 5056000 4.0 640 510000 1020000 2040000 204000 56000 2.0 Torsional stiffness of the remaining coupling types on request. The axial misalignment ΔKa must be understood as the maximum permitted enlargement of the hub distance S of the coupling. In the case of type ZWTR, the rated torques which deviate from the above are specified in the dimension table. The stated torsional stiffness ‘ZW’ applies to coupling types ZWN and ZWNV. The axial misalignment for the types ZWBT, ZWBG and ZWNV is ½ × ΔKa. Angular misalignment ΔKw » Types ZWN, ZZS, ZZW, ZWH, ZWB, ZBR, ZWS: ΔKw = 1° » Types ZWBT and ZWBG: ΔKw = 0.2° » Type ZWSE: ΔKw = 0.4° » Types ZWN, ZZS, ZZW, ZWH, ZWB, ZBR, ZWS: ΔKr ≤ VA ⋅ tan 1° » Type ZWSE: ΔKr ≤ VA ⋅ tan 0.4° » Types ZWBT and ZWBG: ΔKr ≤ VA ⋅ tan 0.2° For the tooth distance VA, see the relevant table for the subassembly. Radial misalignment ΔKr
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