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  • Heavy Duty right angel Hypoid gearbox
  • Black coated steel housing, aluminum output and motor adapter flange
  • Steel output shaft, flange ISO 9409
  • Helical gear technology
  • Nominal Torques:
    • T2N : 95 Nm - 14.010 Nm
  • Ratios
    • 2-stage : 16 / 20 / 22 / 27.5 / 28 / 38.5 / 40 / 55
    • 3-stage : 64 / 88 / 100 / 110 / 137.5 / 140 / 154 / 160 / 200 / 220 / 280 / 385
    • 4-stage : 400 / 440 / 500 / 550 / 700 / 770 / 1000 / 1078 / 1400 / 1540 / 1600 / 2000 / 2695 / 2800 / 3850 / 4000 / 5500
  • Low Backlash
    • 2-stage : ≤ 2 arcmin
    • 3-stage : ≤ 2 arcmin
    • 4-stage : ≤ 2 arcmin
  • High Efficiency
    • 2-stage : ≥ 94%
    • 3-stage : ≥ 92%
    • 4-stage : ≥ 90%
  • Easy mount
  • Low noise
  • Compact structure
  • Sizes available: APK090 / APK110 / APK140 / APK200 / APK255 / APK285 / APK355 / APK450
Model No. Stage Ratio(¹) APK090 APK110 APK140 APK200 APK225 APK285 APK355 APK450
Nominal Output Torque T2N Nm 2 16 255 470 805 1,735 2,015 3,935 - -
20 255 470 805 1,735 2,015 3,935 - -
22 200 375 655 1,445 2,200 4,110 7,010 -
27.5 200 375 655 1,445 2,200 4,110 7,015 -
28 240 470 805 1,740 1,870 3,600 - -
38.5 200 375 655 1,450 2,200 4,110 7,020 -
40 95 225 650 1,610 1,725 2,880 - -
55 130 315 655 1,450 2,205 3,960 7,025 -
3 64 - 470 805 1,740 2,640 4,985 - -
88 - 380 655 1,450 2,205 4,115 7,025 13,870
100 - 470 810 1,745 2,645 4,990 - -
110 - 380 655 1,450 2,205 4,115 7,025 13,870
137.5 - 380 655 1,450 2,205 4,120 7,030 13,875
140 - 470 810 1,745 2,645 4,990 - -
154 - 380 655 1,450 2,205 4,120 7,030 13,875
160 - 475 810 1,745 2,645 4,990 - -
200 - 475 810 1,745 2,645 4,990 - -
220 - 380 655 1,450 2,205 4,120 7,030 13,200
280 - 475 810 1,745 2,645 4,995 - -
385 - 380 655 1,450 2,205 4,120 7,030 13,880
4 400 - 475 810 1,745 2,645 4,995 - -
440 - 380 655 1,450 2,205 4,120 7,030 13,880
500 - 475 810 1,745 2,645 4,995 - -
550 - 380 655 1,450 2,210 4,120 7,030 13,880
700 - 475 810 1,745 2,645 4,995 - -
770 - 380 655 1,450 2,210 4,120 7,030 13,880
1,000 - 475 810 1,745 2,645 4,995 - -
1,078 - 380 655 1,450 2,210 4,120 7,035 13,880
1,400 - 475 810 1,745 2,645 4,995 - -
1,540 - 380 655 1,450 2,210 4,120 7,035 13,200
1,600 - 475 810 1,745 2,645 4,995 - -
2,000 - 475 810 1,745 2,645 4,995 - -
2,695 - 380 655 1,450 2,210 4,120 7,035 13,885
2,800 - 475 810 1,745 2,645 4,995 - -
3,850 - 380 655 1,450 2,210 4,120 7,035 13,885
4,000 - 225 650 1,610 2,645 4,995 - -
5,500 - 315 655 1,450 2,210 4,120 7,035 14,010
Emergency Stop Torque T2Not Nm 2,3,4 16~5,500 2 times T2N
Max. Acceleration Torque T2b Nm 2,3,4 16~5,500 1.5 times T2N
No Load Running Torque(2) NM 2 16~55 1.3 2 3.1 6 13 16 20 -
3 64~385 - 1.4 2.4 4.6 7 8.5 10.5 13
4 400~5,500 - 0.2 0.3 0.6 0.9 1.2 1.8 2.5
Backlash(3) arcmin 2,3,4 16~5,500 ≤2
Torsional Rigidity Nm/arcmin 2 16~55 27 56 112 389 642 1,275 2,500 -
3 64~385 - 56 112 389 642 1,275 2,500 5,100
4 400~5,500 - 45 85 310 535 1,050 1,700 2,700
Nominal Input Speed n1N rpm 2 16~55 3,000 2,800 2,700 2,200 2,100 2,000 1,600 -
3 64~385 3,000 3,000 2,800 2,700 2,200 2,100 2,100 2,000
4 400~5,500 5,500 5,500 4,600 4,600 4,000 3,700 3,700 3,400
Max. Input Speed rpm 2 16~55 6,000 6,000 4,500 4,500 4,000 3,000 2,500 -
3 64~385 6,000 6,000 6,000 4,500 4,500 4,000 4,000 3,000
4 400~5,500 7,000 7,000 7,000 7,000 6,000 5,500 5,500 5,000
Max. Axial Load F2a(4) N 2,3,4 16~5,500 2,220 4,070 8,530 17,000 26,900 39,200 101,500 143,700
Max. Tilting Moment M2k(4) Nm 2,3,4 16~5,500 280 480 1,310 3,530 5,920 9,230 29,100 63,300
Service Life(5) hr 2,3,4 16~5,500 20,000
Operating Temp. °C 2,3,4 16~5,500 -10°C ~ 90° C
Degree of Gearbox Protection 2,3,4 16~5,500 IP65
Lubrication 2,3,4 16~5,500 synthetic lubrication grease
Mounting Position 2,3,4 16~5,500 All directions
Running Noise (2) dB(A) 2,3,4 16~5,500 ≤68 ≤68 ≤68 ≤70 ≤70 ≤72 ≤74 ≤76
Efficiency % 2 16~55 ≥94%
3 64~385 ≥92%
4 400~5,500 ≥90%

(1) Ratio ( i = N in / N out)
(2) These values are measured by gearbox with ratio 55 (2-stage), ratio 385 (3-stage) or ratio 5,500 (4-stage) at 3,000 rpm no loading.
(3) Backlash is measured at 2% of Nominal Output Torque T2N
(4) Applied to the output shaft center at 100 rpm.
(5) Continuous operation is not recommended.


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Model No. APK090 APK110 APK140 APK200 APK255 APK285 APK355 APK450
Ø(A) Stage 2 2 3 4 2 3 4 2 3 4 2 3 4 2 3 4 2 3 4 3 4
8 kg.cm2 - - - 0.17 - - - - - - - - - - - - - - - - -
11 - - - 0.17 - - - - - - - - - - - - - - - - -
14 0.37 - 0.37 - - - 0.42 - - - - - - - - - - - - - -
19 0.6 1.61 0.6 - - 1.61 0.66 - - - - - - - - - - - - - -
24 - 3.9 - - 4.01 3.9 3.94 - - 4.61 - - 4.61 - - - - - - - -
28 - - - - 5.53 5.15 - - 5.61 6.14 - 5.61 8.14 - - - - - - - -
32 - - - - 7.57 - - 8.11 8.11 8.17 - 8.11 8.17 - - - - - - - -
35 - - - - 14.95 - - 15.32 15.32 15.54 15.32 15.32 15.54 - 15.32 15.554 - - 15.54 - 17.76
38 - - - - 17.58 - - 17.72 17.72 18.19 17.72 17.72 18.19 18.52 17.72 18.19 - 17.72 18.19 18.52 20.17
42 - - - - - - - 22.95 - - 22.95 - - 23.74 22.95 23.2 25.5 22.95 23.2 23.74 25.4
48 - - - - - - - 52.74 - - 52.74 - - 53.49 52.74 52.42 55.14 52.74 54.42 53.49 55.18
55 - - - - - - - - - - - - - 87.34 - - 89.59 - - - -

(A) Ø = Input shaft diameter.


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APK series 2-stage, ratio i=16~55

APK090 APK110 APK140 APK220 APK255 APK285 APK355
D1 H7 31.5 40 50 80 100 100 120
D2 50 63 80 125 140 160 200
D3 h7 63 80 100 160 180 200 250
D4 h7 90 110 140 200 255 285 355
D5 109 135 168 233 280 310 385
D6xPitchxDeep M6x1Px11 M8x1.25Px12 M8x1.25Px15 M10x1.5Px20 M16x2Px25 M24x3Px37 M24x3Px32
D7 120 147 180 249.5 302 332 415
D8 5.5 5.5 6.6 9 13.5 13.5 17.5
D9 94 116 163 210 210 255 300
L1 15 15 15 16 16 16 35
L2 30 29 38 50 66 75 80
L3 7 7 7.5 8.5 13.5 16.5 20
L4 7 8 10 12 18 20 45
L5 13 17 25 31 31 36 43
L6 90.5 114 147.5 175 191.5 249.5 290
L7 53 68.3 89 115 115 131 165
L8 173.5 211.3 274.5 340 372.5 455.5 535
L9 114.5 129 173.5 228 228 265.5 294.5
X in degree 30 30 22.5 22.5 24 26 22.5
Y in degree 30 30 22.5 22.5 24 26 22.5
Z 12 12 16 16 12 12 16
U in degree 22.5 22.5 15 15 11.25 11.25 15
W 16 16 24 24 32 32 24

(1) Dimensions are related to motor interface. Please contact APEX for details.

APK series 3-stage, ratio i=64~385

APK110 APK140 APK200 APK255 APK285 APK355 APK450
D1 H7 40 50 80 100 100 120 155
D2 63 80 125 140 160 200 250
D3 h7 80 100 160 180 200 250 315
D4 h7 110 140 200 255 285 355 450
D5 135 168 233 280 310 385 490
D6xPitchxDeep M8x1.25Px12 M8x1.25Px15 M10x1.5Px20 M16x2Px25 M24x3Px37 M24x3Px32 M30x3.5Px40
D7 147 180 249.5 302 332 415 530
D8 5.5 6.6 9 13.5 13.5 17.5 22
D9 94 116 163 210 210 210 255
L1 15 15 16 16 16 35 24
L2 29 38 50 66 75 80 85
L3 7 7.5 8.5 13.5 16.5 20 20
L4 8 10 12 18 20 45 60
L5 13 17 25 31 31 31 36
L6 132 164 216.5 254.5 300 332 447.5
L7 53 68.3 89 115 115 115 131
L8 214 270.3 355.5 435.5 490 527 663.5
L9 114.5 129 173.5 228 228 228 265.5
X in degree 30 22.5 22.5 24 26 22.5 30
Y in degree 30 22.5 22.5 24 26 22.5 30
Z 12 16 16 12 12 16 12
U in degree 22.5 15 15 11.25 11.25 15 15
W 16 24 24 32 32 24 24

(1) Dimensions are related to motor interface. Please contact APEX for details.

APK series 4-stage, ratio i=400~5,500

APK110 APK140 APK200 APK255 APK285 APK355 APK450
D1 H7 40 50 80 100 100 120 155
D2 63 80 125 140 160 200 250
D3 h7 80 100 160 180 200 250 315
D4 h7 110 140 200 255 285 355 450
D5 135 168 233 280 310 385 490
D6xPitchxDeep M8x1.25Px12 M8x1.25Px15 M10x1.5Px20 M16x2Px25 M24x3Px37 M24x3Px32 M30x3.5Px40
D7 147 180 249.5 302 332 415 530
D8 5.5 6.6 9 13.5 13.5 17.5 22
D9 94 116 163 210 210 210 255
L1 15 15 16 16 16 35 24
L2 29 38 50 66 75 80 85
L3 7 7.5 8.5 13.5 16.5 20 20
L4 8 10 12 18 20 45 60
L5 13 17 25 31 31 31 36
L6 132 164 216.5 254.5 300 332 447.5
L7 53 68.3 89 115 115 115 131
L8 214 270.3 355.5 435.5 490 527 663.5
L9 114.5 129 173.5 228 228 228 265.5
X in degree 30 22.5 22.5 24 26 22.5 30
Y in degree 30 22.5 22.5 24 26 22.5 30
Z 12 16 16 12 12 16 12
U in degree 22.5 15 15 11.25 11.25 15 15
W 16 24 24 32 32 24 24

(1) Dimensions are related to motor interface. Please contact APEX for details.

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