Micron TRUE Planetary® Gearheads
EverTRUE™ Continuous Duty

True Planetary Gearheads
Ready for Immediate Delivery
Precision

4 arc-minutes

Frame Sizes

100 mm, 140 mm and 180 mm

Torque Capacity

up to 1017 Nm

Ratio Availability

4:1 thru 100:1

Radial load capacity

up to 44600 N

Mounting System

RediMount™

1

Single-piece output shaft withstraddle mount bearing forincreased stiffness

2High-capacity, tapered roller bearings

3 Double full complement needle
bearings for continuous operation

4Gears lubricated with
continuous duty grease

5

True Planetary Gearing
optimized for continuous duty6Single-piece output
housing with integral internal gear

7

Angular contact bearing

8Input bearing with thermalcompensation feature

9734351298
69

RediMount systemprovides error-free installation
Stainless steel output housing

104 www.bostongear.com

P-8741-BG

10/19

Micron TRUE Planetary® Gearheads
EverTRUE Size 10 Continuous Duty

True Planetary Gearheads
AD88(3.46)
3(.12)

L
M.S

10(.39)35(1.38)Ø90 (g6)(3.5428/3.5420)

M12x20 (.80) DEEPØ32 (k6)(1.2606/1.2599)
10 (h9)(.3937/.3923)

50(1.97)2(.08)

12(.47)101 (SQUARE)(3.98)

28(1.10)

Ratio1

StagesDimension ‘L’

Backlash

WeightEfficiency

4:1 to 10:1
16:1 to 100:1

1
2

78 [3.07]
146 [5.75]

4 max
5 max

6 [13]
8 [18]

95%
90%mm [in.][arc-min]kg [lb.]Ø9 (0.35) THRU HOLE
4 PL. EQUALLY SPACED ON A
Ø120 (4.72) BOLT CIRCLE

All dimensions are in mm (in.)
AD** = Adapter length
Adapter length will vary depending on motor.
Efficiency is calculated at 100% of the rated
torque.

Performance Specifications
Part Number
ET010-004
ET010-005
ET010-007
ET010-010
ET010-016
ET010-020
ET010-025
ET010-028
ET010-035
ET010-040
ET010-050
ET010-070
ET010-100

Ratio

1

4:1
5:1
7:1
10:1
16:1
20:1
25:1
28:1
35:1
40:1
50:1
70:1
100:1

Intermittent(Trc)
Nm [in.-lb.]

Tr(1000 rpm)

171 [1514]
178 [1579]
190 [1684]
106 [940]
245 [2166]
249 [2205]
242 [2140]
255 [2261]
248 [2191]
262 [2316]
253 [2243]
241 [2131]
144 [1277]

147 [1303]
144 [1272]
137 [1217]
77 [677]
164 [1450]
166 [1470]161 [1421]
169 [1499]
164 [1448]
173 [1528]
167 [1475]
158 [1396]
102 [902]

Nm [in.-lb.]

1 Ratios are exact, higher ratios are also available, consult factory.

Tr = Rated output torque at rated speed for specific hours of life.
Trc = Rated output torque for intermittent operation at 3,000 RPM(20,000 hr life - for catalog comparison)P-8741-BG

10/19

30000 Hour Life
Tr
Tr
(3000 rpm)
(5000 rpm)
Nm [in.-lb.]

Nm [in.-lb.]

106 [937]
110 [977]
118 [1042]
66 [581]
151 [1340]
154 [1364]
150 [1324]
158 [1399]
153 [1355]
162 [1433]
157 [1387]
149 [1318]
89 [790]

91 [804]
95 [838]
101 [893]
61 [539]
138 [1218]
147 [1303]
14 [127]
152 [1345]
148 [1306]
156 [1383]
152 [1341]
144 [1277]
84 [741]

Tpeak

J

Nm [in.-lb.]

kg-cm[in.-lb.-sec2x10-4]

463 [4093]
451 [3991]
433 [3830]
411 [3640]
517 [4577]
524 [4637]
506 [4477]
533 [4718]
514 [4549]
542 [4794]
521 [4615]
491 [4349]
459 [4059]

1,50 [13.3]
1,29 [11.5]
0,92 [8.1]0,86 [7.6]
1,05 [9.2]
1,05 [9.2]
1,05 [9.2]0,89 [7.9]0,75 [6.7]0,75 [6.7]0,74 [6.6]0,74 [6.6]0,74 [6.6]2TorsionalStiffness

Nm/arc-min[in.-lb./arc-min]28,27 [250]25,08 [222]
23,21 [205]15,84 [140]30,03 [267]
26,73 [237]26,73 [237]
23,21 [205]
22,99 [204]30,14 [267]
26,51 [235]
23,21 [205]
18,92 [168]Tpeak = Allowable momentary peak torque for emergency stop or heavy shock loading.
J = Mass moment of inertia reflected to the input shaft (including pinion assembly).

www.bostongear.com 105

Micron TRUE Planetary® Gearheads
EverTRUE™ Size 14 Continuous Duty

True Planetary Gearheads
AD112(4.41)
5(.20)

L
M.S

13(.51)

Ø130 (g6)(5.1176/5.1166)

43(1.69)
M12x20 (.80) DEEPØ40 (k6)(1.5755/1.5749)
12 (h9)(.4724/.4707)

70(2.76)3(.12)

14(.55)141 (SQUARE)(5.5)

27(1.06)

Ratio1

StagesDimension ‘L’

Backlash

WeightEfficiency

4:1 to 10:1
16:1 to 100:1

1
2

110,5 [4.35]
195 [7.69]

4 max
5 max

14 [31]18 [40]95%90%mm [in.][arc-min]kg [lb.]Ø11 (0.43) THRU HOLE
4 PL. EQUALLY SPACED ON A
Ø165 (6.5) BOLT CIRCLE

All dimensions are in mm (in.)
AD** = Adapter length
Adapter length will vary depending on motor.
Efficiency is calculated at 100% of the rated torque.

Performance Specifications
Part Number
ET014-004
ET014-005
ET014-007
ET014-010
ET014-016
ET014-020
ET014-025
ET014-028
ET014-035
ET014-040
ET014-050
ET014-070
ET014-100

Ratio

1

4:1
5:1
7:1
10:1
16:1
20:1
25:1
28:1
35:1
40:1
50:1
70:1
100:1

Intermittent(Trc)
Nm [in.-lb.]

Tr(1000 rpm)

417 [3694]
435 [3849]
464 [4105]
253 [2237]
573 [5070]
584 [5168]
567 [5016]
600 [5309]
581 [5145]
616 [5448]
596 [5274]
567 [5019]
346 [3058]

345 [3055]
336 [2972]
322 [2849]
183 [1618]
386 [3413]
391 [3463]
378 [3347]
399 [3535]
386 [3415]
408 [3608]
393 [3482]
373 [3299]
245 [2164]

Nm [in.-lb.]

1 Ratios are exact, higher ratios are also available, consult factory.

Tr = Rated output torque at rated speed for specific hours of life.
Trc = Rated output torque for intermittent operation at 3,000 RPM(20,000 hr life - for catalog comparison)

106 www.bostongear.com

30000 Hour Life
TrTr
(3000 rpm)
(5000 rpm)
Nm [in.-lb.]

Nm [in.-lb.]

258 [2285]
269 [2381]
287 [2539]
156 [1384]
354 [3136]
361 [3197]
351 [3103]
371 [3284]
360 [3182]
381 [3370]
369 [3262]
351 [3104]
214 [1892]

221 [1960]
231 [2042]
246 [2179]
145 [1279]
336 [2971]
345 [3055]
336 [2972]
356 [3150]
346 [3059]
367 [3245]
356 [3146]
339 [3002]
200 [1772]

Tpeak

J

Nm [in.-lb.]

kg-cm[in.-lb.-sec2x10-4]

1066 [9431]
1040 [9206]
1002 [8866]
956 [8459]
1206 [10674]
1224 [10832]
1182 [10463]
1248 [11047]
1204 [10653]
1271 [11248]
1224 [10831]
1155 [10223]
1081 [9564]

6,18 [55]4,77 [42]3,61 [32]3,22 [29]4,00 [35]3,87 [34]3,87 [34]3,35 [30]2,84 [25]2,84 [25]2,71 [24]2,71 [24]2,71 [24]2Torsional
StiffnessNm/arc-min[in.-lb./arc-min]

60,50 [536]56,10 [497]51,70 [458]38,50 [341]
63,80 [565]59,40 [526]59,40 [526]51,70 [458]48,40 [428]63,80 [565]59,40 [526]53,90 [478]38,50 [341]

Tpeak = Allowable momentary peak torque for emergency stop or heavy shock loading.
J = Mass moment of inertia reflected to the input shaft (including pinion assembly).

P-8741-BG

10/19

Micron TRUE Planetary® Gearheads
EverTRUE Size 18 Continuous Duty

True Planetary Gearheads
AD112(4.41)
6(.24)

LM.S

15(.59)

Ø160 (g6)(6.2987/6.2977)

59(2.32)
M20x42 (1.65) DEEPØ55 (k6)(2.1662/2.1654)
16 (h9)(.6299/.6282)

70(2.76)3(.12)

13(.51)182 (SQUARE)(7.17)

27(1.06)

Ratio1

StagesDimension ‘L’

Backlash

WeightEfficiency

4:1 to 10:1
16:1 to 100:1

1
2

136 [5.35]
241.3 [9.50]

4 max
5 max

40 [88]45 [99]95%
90%mm [in.][arc-min]kg [lb.]Ø13.5 (0.53) THRU HOLE
4 PL. EQUALLY SPACED ON A
Ø 215 [8.46] BOLT CIRCLE

All dimensions are in mm (in.)
AD** = Adapter length
Adapter length will vary depending on motor.
Efficiency is calculated at 100% of the rated torque.

Performance Specifications
Part Number
ET018-004
ET018-005
ET018-007
ET018-010
ET018-016
ET018-020
ET018-025
ET018-028
ET018-035
ET018-040
ET018-050
ET018-070
ET018-100

Ratio

1

4:1
5:1
7:1
10:1
16:1
20:1
25:1
28:1
35:1
40:1
50:1
70:1
100:1

Intermittent(Trc)
Nm [in.-lb.]

Tr(1000 rpm)

933 [8254]
972 [8602]
1037 [9174]
592 [5242]
1335 [11816]
1363 [12061]
1325 [11722]
1403 [12414]
1361 [12047]
1443 [12767]
1398 [12371]
1332 [11789]
816 [7219]

802 [7099]
782 [6923]
752 [6652]
430 [3806]
904 [8003]
919 [8129]
889 [7866]
939 [8311]
908 [8033]
960 [8492]
927 [8201]
879 [7778]
578 [5117]

Nm [in.-lb.]

1 Ratios are exact, higher ratios are also available, consult factory.

Tr = Rated output torque at rated speed for specific hours of life.
Trc = Rated output torque for intermittent operation at 3,000 RPM(20,000 hr life - for catalog comparison)P-8741-BG

10/19

30000 Hour Life
TrTr
(3000 rpm)
(5000 rpm)
Nm [in.-lb.]

Nm [in.-lb.]

577 [5105]
601 [5321]
641 [5675]
366 [3242]
826 [7309]
843 [7460]
819 [7251]
868 [7679]
842 [7452]
892 [7897]
865 [7652]
824 [7292]
505 [4465]

495 [4380]
516 [4565]
550 [4868]
338 [2990]
750 [6639]
802 [7099]
782 [6923]
830 [7342]
807 [7142]
857 [7580]
832 [7361]
795 [7037]
472 [4180]

Tpeak

J

Nm [in.-lb.]

kg-cm[in.-lb.-sec2x10-4]

2442 [21609]
2389 [21143]
2308 [20429]
2210 [19561]
2800 [24779]
2846 [25187]
2754 [24370]
2910 [25751]
2810 [24870]
2970 [26281]
2863 [25338]
2707 [23959]
2537 [22454]

24,61 [218]19,00 [168]13,87 [123]12,35 [109]15,30 [136]14,82 [131]14,82 [131]12,83 [114]10,83 [96]10,83 [96]10,36 [92]10,36 [92]10,36 [92]2Torsional
Stiffness

Nm/arc-min[in.-lb./arc-min]

168,30 [1461]
165,00 [1461]
147,40 [1306]
111,10 [984]177,10 [1569]
171,60 [1520]
144,10 [1277]
151,80 [1345]
136,40 [1209]
177,10 [1569]
171,60 [1520]
151,80 [1345]
113,30 [1004]

Tpeak = Allowable momentary peak torque for emergency stop or heavy shock loading.
J = Mass moment of inertia reflected to the input shaft (including pinion assembly).

www.bostongear.com 107

Micron TRUE Planetary® Gearheads
Radial and Axial Load Ratings

ET010

SIZE 10 RADIAL LOADDISTANCE 'X' (mm)

38.1

44.5

50.8

57.2

63.5

69.9

76.2

82.6

50 rpm

3500
RADIAL FORCE (lbs)

31.75

15,575100 rpm

3000
2500

13,35011,125250 rpm
500 rpm

2000

8900

1000 rpm

1500

17,8006675

1000

4450

500

RADIAL FORCE (N)

25.4

4000

2225

0

1.00

1.25

1.5

1.75

2.00

2.25

2.50

2.75

3.00

3.25

63.5

69.9

76.2

82.6

0

DISTANCE 'X' (In)

ET014

Speed

Axial Load, Fa

50100250500
1000

13675 [3075]
11107 [2497]
8435 [1897]
6855 [1542]
5568 [1252]

Speed

Axial Load, Fa

50100250500
1000

25074 [5705]
20609 [4633]
15657 [3520]
12716 [2859]
10329 [2322]

Speed

Axial Load, Fa

50100250500
1000

34538 [7765]
27414 [6163]
20197 [4541]
16034 [3605]
12726 [2861]

rpm

N [lbf]

SIZE 14 RADIAL LOADDISTANCE 'X' (mm)

31.75

38.1

44.5

50.8

57.250 rpm

RADIAL FORCE (lbs)

6000
5000
4000
3000

31,15026,700100 rpm

22,250250 rpm

17,800500 rpm

13,3501000 rpm

2000

8900

1000

RADIAL FORCE (N)

7000

25.4

4450

00
1.00

1.25

1.5

1.75

2.00

2.25

2.50

2.75

3.00

3.25

63.5

69.9

76.2

82.6

DISTANCE 'X' (In)ET018rpm

N [lbf]

SIZE 18 RADIAL LOADDISTANCE 'X' (mm)12,000

25.4

31.75

38.1

44.5

50.8

57.2

53,40050 rpm

44,500100 rpm

8000

35,600250 rpm

6000
4000

26,700500 rpm1000 rpm

17,800

2000

8900

0
1.00

1.25

1.5

1.75

2.00

2.25

DISTANCE 'X' (In)

2.50

2.75

3.00

3.25

RADIAL FORCE (N)RADIAL FORCE (lbs)

10,000rpm

N [lbf]

These graphs display the allowable radial load at a given distance (X) from the mounting surface based on an L10 life of 10,000 hours for the mean output speed nmout ,as described on page 9.

EverTRUE™

108 www.bostongear.com

P-8741-BG

10/19