Micron TRUE Planetary® Gearheads
DuraTRUE™

Ready for Immediate Delivery
Precision

8 arc-minutes

Frame Sizes

60 mm, 90 mm, 115 mm and 142 mm

Torque Capacity

up to 834 Nm

Ratio Availability

3:1 thru 100:1

Radial load capacity

up to 11150 N

Mounting System

RediMount™

1

Sealed deep groove ball bearings
provide high radial load carrying capability

2

HRC 55-60 steel gears
provide superior wear resistanceand increased backlash integrity

3 Sealed deep groove ball bearing

provides precision alignment of sun gear

4

RediMount systemprovides error-free motor installation5Anodized aluminum housing
reduces weight and prevents corrosion

413245MicronTrue Planetary
Planetary®™Gearheads
Gearheads
Micron True
shipped within
within 24
24 hours!
hours!

Gearhead Express™
Need it fast? Go to the back coverof the catalog for details.

40

www.bostongear.com

P-8741-BG

10/19

Micron TRUE Planetary® Gearheads
DuraTRUE Size 60

MetricAD*ø 50 h7(1.9685/1.9675)

25(.98)L

5(.197)3(.118)10(.39)ø 16 j6(.6302/.6298)

18(.709)16(.630)
ø 5 (.197) THRU HOLES 4 PL.
EQUALLY SPACED ON A ø 70(2.756) BOLT CIRCLE

2.5(.098)

60 SQ.
(2.36)

3.5(.138)

Dimension ‘L’ Backlash

Ratio1
3:1 to 10:1
15:1 to 100:1

mm [in.][arc-min]53 [2.07]
70 [2.76]

8 max
9 max

WeightEfficiency

1,0 [2.2]
1,2 [2.7]

93%
88%

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

Performance Specifications
10000 Hour LifePart
NumberRatio1

DT060-003 3:1
DT060-004 4:1DT060-005 5:1
DT060-007 7:1
DT060-010 10:1
DT060-015 15:1
DT060-020 20:1
DT060-025 25:1
DT060-030 30:1
DT060-040 40:1
DT060-050 50:1
DT060-070 70:1
DT060-100 100:1

Tr

Tr

Tr

20000 Hour Life
Tr

(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm)
Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.]

15 [134]
19 [168]
17 [148]
16 [142]15 [134]
25 [218]
26 [230]
24 [214]28 [246]
27 [239]
25 [222]24 [212]20 [180]

12 [109]
16 [142]
14 [120]
13 [115]
14 [121]20 [177]
24 [212]22 [195]
25 [218]
26 [230]
24 [214]23 [204]
19 [165]

11 [97]
14 [124]
12 [106]
11 [97]
13 [114]18 [157]
21 [186]
19 [172]
22 [193]
26 [230]
24 [209]23 [204]
18 [157]

89 [10]115 [13]98 [11]89 [10]108 [12]144 [16]
177 [20]158 [18]
177 [20]212 [24]
195 [22]186 [21]151 [17]Tpeak

Nm [in.-lb.]

52 [460]
44 [385]
46 [410]41 [363]
45 [400]
52 [460]
46 [407]52 [456]
52 [460]
46 [407]52 [460]
46 [407]51 [447]

J

Torsional
Stiffness

TrTrTrTrkg-cm2
2-4(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm) [in.-lb.-sec x10 ]Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.]

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

12 [109]
16 [142]
14 [120]
13 [115]
14 [124]
20 [177]
24 [212]22 [195]
25 [218]
27 [239]
25 [217]
24 [212]19 [167]

10 [89]13 [115]
11 [98]10 [89]13 [112]16 [144]
20 [177]
18 [158]
20 [177]
24 [212]22 [195]
21 [186]
17 [153]

9 [79]
12 [106]
10 [86]9 [80]
11 [100]
14 [127]
18 [159]16 [140]18 [157]
21 [186]
19 [172]
18 [159]
16 [145]

8 [72]
11 [97]
9 [79]
8 [71]
10 [92]
13 [117]
17 [150]
15 [128]
16 [144]
20 [177]
18 [158]
17 [150]
16 [140]0,9 [8.1]
0,9 [7.9]0,9 [7.9]0,9 [7.9]
0,8 [6.8]
0,9 [8.2]
0,9 [7.9]0,9 [8.3]
1,0 [8.7]0,9 [8.3]
0,9 [8.2]
0,9 [8.3]
0,9 [7.8]

0,52 [4.6]0,46 [4.1]0,46 [4.1]0,46 [4.1]0,44 [3.9]0,46 [4.1]0,46 [4.1]0,46 [4.1]0,44 [3.9]0,44 [3.9]0,44 [3.9]0,44 [3.9]0,44 [3.9]All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios and other custom options are alsoavailable, consult factory.
Tr = Rated output torque at rated speed for specific hours of life.

P-8741-BG

10/19

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

41Micron TRUE Planetary® Gearheads
DuraTRUE™ Size 90MetricAD*ø 80 h7(3.1496/3.1484)

40(1.57)

L6(.236)5(.197)12(.47)

ø 20 f6(.7866/.7861)

22.5(.886)

28(1.102)
ø 6.5 (.256) THRU HOLES 4
PL. EQUALLY SPACED ON A ø
100 (3.937) BOLT CIRCLE

3(.118)90 SQ.
(3.54)

4(.158)Dimension ‘L’ Backlash

Ratio1
3:1 to 10:1
15:1 to 100:1

mm [in.][arc-min]67 [2.63]
90 [3.53]

8 max
9 max

WeightEfficiency

3,0 [6.6]3,7 [8.1]

93%
88%

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

Performance Specifications
10000 Hour LifePartNumber

Tr

Ratio1

Tr

Tr

20000 Hour Life
Tr

(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm)
Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.]

Tpeak

Nm [in.-lb.]

J

Torsional

Stiffness
kg-cm2
Nm/arc-min
2-4(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm) [in.-lb.-sec x10 ][in.-lb./arc-min]
Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.]
Tr

DT090-003 3:1 69 [614] 56 [499] 50 [442] 46 [405] 167 [1479] 56 [499]
DT090-004 4:1 80 [708] 67 [593] 60 [531] 55 [487] 157 [1389] 67 [593]
DT090-005 5:1 75 [664] 62 [549] 55 [486] 50 [446] 157 [1385] 62 [549]
DT090-007 7:1 73 [646] 60 [531] 53 [469] 48 [425] 157 [1389] 60 [531]
DT090-010 10:1 55 [488] 50 [439] 46 [411] 44 [392] 157 [1390] 51 [452]
DT090-015 15:1 93 [826] 84 [747] 79 [702] 74 [657] 167 [1479] 86 [764]DT090-020 20:1 89 [788] 86 [761] 84 [743] 82 [726] 167 [1478] 88 [779]
DT090-025 25:1 84 [747] 81 [714] 78 [693] 77 [677] 167 [1479] 83 [730]
DT090-030 30:1 103 [908] 93 [826] 88 [780] 84 [747] 167 [1479] 95 [840]
DT090-040 40:1 93 [823] 89 [788] 87 [770] 86 [761] 167 [1478] 91 [805]DT090-050 50:1 88 [776] 84 [747] 82 [728] 81 [714] 167 [1479] 86 [759]
DT090-070 70:1 86 [761] 82 [726] 80 [708] 79 [699] 167 [1478] 84 [743]
DT090-100 100:1 75 [663] 69 [608] 65 [576] 63 [555] 167 [1479] 69 [613]

TrTrTr

46 [405]
55 [487]
50 [446]
48 [425]
46 [407]74 [657]
84 [743]
79 [698]
86 [764]
88 [779]
83 [730]
81 [717]64 [562]

41 [359]
50 [443]
45 [395]
43 [381]43 [381]
66 [582]
77 [681]72 [640]
81 [716]
86 [761]
81 [712]79 [699]
60 [533]

37 [329]
46 [407]41 [362]
38 [336]
41 [363]
60 [534]
71 [628]
66 [587]
74 [657]
84 [743]
79 [698]
78 [690]
58 [513]

2,22 [1.97]
1,84 [1.60]
1,76 [1.56]
1,72 [1.50]
1,63 [1.44]
1,78 [1.58]
1,77 [1.60]
1,77 [1.56]
1,64 [1.45]
1,64 [1.40]
1,63 [1.45]
1,63 [1.40]
1,63 [1.45]

4,9 [43.3]
4,8 [42.4]
4,8 [42.9]
4,8 [42.4]
4,0 [35.6]
4,9 [43.7]
4,8 [42.4]
5,0 [44.5]
4,9 [43.4]
5,0 [44.2]
5,0 [44.2]
5,0 [44.2]
4,4 [38.5]

All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios and other custom options are alsoavailable, consult factory.
Tr = Rated output torque at rated speed for specific hours of life.

42

www.bostongear.com

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
DuraTRUE Size 115

MetricAD*

ø 110 h7(4.3307/4.3293)

50(1.97)L8(.315)7(.276)14(.55)

ø 24 j6(.9452/.9447)

27.0(1.063)

32(1.260)
ø 8.5 (.335) THRU HOLES 4
PL. EQUALLY SPACED ON A ø
130 (5.118) BOLT CIRCLE

3.5(.138)

115 SQ.
(4.53)

5(.197)

Dimension ‘L’ Backlash

Ratio1
3:1 to 10:1
15:1 to 100:1

mm [in][arc-min]88 [3.46]
119 [4.69]

8 max
9 max

WeightEfficiency

5,7 [12.7]
7,3 [16.2]

93%
88%

kg [lb]All dimensions are: mm (inch)
AD** = Adapter length
Adapter length will vary depending on motor.
Efficiency is calculated at 100% of the rated torque.

Performance Specifications
10000 Hour Life
Part
Ratio1
Number
DT115-003
DT115-004
DT115-005
DT115-007
DT115-010
DT115-015
DT115-020
DT115-025
DT115-030
DT115-040
DT115-050
DT115-070
DT115-100

3:1
4:1
5:1
7:1
10:1
15:1
20:1
25:1
30:1
40:1
50:1
70:1
100:1

Tr

Tr

Tr

20000 Hour Life
Tr(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm)
Nm [in-lb]
Nm [in-lb]
Nm [in-lb]
Nm [in-lb]

Tpeak

Nm [in-lb]

Tr

Tr

Tr

Tr

Jkg-cm2
2-4(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm) [in-lb-sec x10 ]Nm [in-lb]
Nm [in-lb]
Nm [in-lb]
Nm [in-lb]

105 [932] 86 [757] 76 [670] 70 [615] 284 [2511] 86 [757] 70 [615] 62 [544] 56 [499]
123 [1089] 98 [867] 91 [805] 85 [752] 284 [2513] 102 [903] 85 [752] 75 [664] 70 [620]
116 [1025] 91 [803] 83 [738] 77 [677] 284 [2511] 94 [833] 77 [677] 68 [599] 62 [550]
113 [1000] 88 [779] 81 [717] 75 [664] 284 [2513] 92 [814] 75 [664] 65 [575] 60 [531]
90 [796] 81 [715] 76 [668] 72 [635] 284 [2511] 83 [737] 75 [661] 70 [618] 66 [588]
171 [1510] 139 [1226] 123 [1086] 113 [996] 284 [2511] 139 [1226] 113 [996] 100 [882] 91 [809]
175 [1549] 161 [1425] 143 [1266] 132 [1168] 284 [2513] 161 [1425] 132 [1168] 118 [1044] 109 [965]167 [1474] 153 [1350] 135 [1195] 124 [1096] 284 [2511] 153 [1350] 124 [1096] 110 [971] 101 [891]
203 [1794] 171 [218] 151 [1337] 139 [1226] 284 [2513] 171 [1510] 139 [1226] 123 [1086] 113 [996]181 [1602] 175 [1549] 190 [1682] 161 [1425] 284 [2513] 178 [1575] 161 [1425] 143 [1266] 132 [1168]
173 [1535] 167 [1474] 162 [1435] 153 [1350] 284 [2511] 170 [1510] 153 [1350] 135 [1195] 124 [1096]
171 [1513] 165 [1460] 180 [1593] 151 [1336] 284 [2513] 168 [1487] 151 [1336] 133 [1177] 122 [1080]
123 [1087] 112 [995] 107 [943] 103 [907] 284 [2511] 114 [1006] 104 [921] 99 [873] 95 [840]4,39 [3.88]
3,1 [2.7]
2,88 [2.55]
2,81 [2.5]2,47 [2.18]
2,95 [2.61]
2,95 [2.6]
2,90 [2.57]2,48 [2.20]
2,47 [2.2]2,47 [2.19]
2,47 [2.2]2,47 [2.19]

Torsional
Stiffness

Nm/arc-min[in-lb/arc-min]13,9 [123.4]
13,9 [122.7]
11,6 [102.4]
13,9 [122.7]
11,6 [102.4]
12,9 [114.1]
13,9 [122.7]
14,1 [125.0]
14,1 [124.4]
14,1 [124.4]
14,1 [125.0]
14,1 [124.4]
11,4 [100.6]

All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios and other custom options are alsoavailable, consult factory.
Tr = Rated output torque at rated speed for specific hours of life.

P-8741-BG

10/19

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

43

Micron TRUE Planetary® Gearheads
DuraTRUE™ Size 142

MetricTrue Planetary GearheadsAD*ø 130 h7
(5.1181/5.1165)

80(3.15)L

12(.472)8(.315)20(.79)

ø 40 j6(1.5752/1.5746)

43(1.693)

63(2.480)
ø 11 (.433) THRU HOLES
4 PL. EQUALLY SPACED ON A ø 165(6.496) BOLT CIRCLE

3.5(.138)

142 SQ.
(5.59)

5(.197)

Dimension ‘L’ Backlash

Ratio1
3:1 to 10:1
15:1 to 100:1mm [in.][arc-min]

121 [4.77]
170 [6.71]

8 max
9 max

WeightEfficiency

12,8 [28.3]
17,2 [38.0]

93%88%

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

Performance Specifications
10000 Hour LifePart
Ratio1
Number
DT142-003
DT142-004
DT142-005
DT142-007
DT142-010DT142-015
DT142-020
DT142-025
DT142-030
DT142-040
DT142-050
DT142-070
DT142-100

3:1
4:1
5:1
7:1
10:1
15:1
20:1
25:1
30:1
40:1
50:1
70:1
100:1

Tr

Tr

Tr

20000 Hour Life
Tr

(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm)
Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.]

Tpeak

Nm [in.-lb.]

J

Torsional

Stiffness
kg-cm2
Nm/arc-min
2-4(1000 rpm) (2000 rpm) (3000 rpm) (4000 rpm) [in.-lb.-sec x10 ][in.-lb./arc-min]
Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.] Nm [in.-lb.]
TrTrTrTr

372 [3289] 302 [2671] 267 [2365] 245 [2170] 834 [7377] 302 [2671] 245 [2170] 217 [1921] 199 [1762]
430 [3806] 353 [3124] 315 [2788] 290 [2567] 834 [7381] 353 [3124] 290 [2567] 259 [2292] 239 [2115]
410 [3625] 333 [2944] 295 [2607] 270 [2391] 834 [7377] 333 [2944] 270 [2391] 239 [2118] 219 [1942]
405 [3584] 328 [2903] 290 [2597] 265 [2345] 834 [7381] 328 [2903] 265 [2345] 234 [2071] 214 [1894]
229 [2022] 204 [1808] 190 [1685] 181 [1598] 834 [7377] 211 [1871] 189 [1673] 176 [1559] 167 [1479]
524 [4634] 471 [4167] 433 [3833] 397 [3516] 834 [7377] 484 [4287] 397 [3516] 352 [3114] 323 [2856]
500 [4425] 476 [4213] 461 [4080] 450 [3983] 834 [7381] 489 [4328] 458 [4053] 408 [3611] 376 [3328]
480 [4248] 456 [4038] 441 [3903] 430 [3801] 834 [7377] 469 [4154] 438 [3876] 388 [3432] 356 [3148]
578 [5113] 524 [4634] 493 [4359] 471 [4167] 834 [7377] 535 [4731] 484 [4287] 433 [3833] 397 [3516]
521 [4611] 500 [4425] 486 [4301] 476 [4213] 834 [7381] 510 [4514] 489 [4328] 476 [4213] 458 [4053]
501 [4435] 480 [4248] 466 [4128] 456 [4038] 834 [7377] 490 [4336] 469 [4154] 456 [4037] 438 [3876]
496 [4390] 475 [4204] 461 [4080] 451 [3991] 834 [7381] 485 [4292] 464 [4106] 451 [3991] 433 [3882]
314 [2782] 287 [2543] 272 [2408] 262 [2314] 834 [7377] 291 [2574] 266 [2353] 252 [2228] 242 [2141]

23,2 [2.05]
15,1 [1.3]
14,7 [1.30]
14,5 [1.3]
12,1 [1.07]
15,1 [1.34]
14,8 [1.3]
14,8 [1.31]
12,2 [1.08]
12,9 [1.1]
12,1 [1.07]
12,1 [1.1]
12,1 [1.07]

51,8 [458.7]
52,9 [467.1]
52,6 [465.1]
50,5 [445.9]
41,3 [365.1]
59,6 [527.6]
58,5 [516.6]
57,7 [510.6]
59,9 [529.9]
57,5 [507.7]
57,8 [511.1]
54,4 [480.4]
42,9 [379.5]

All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios and other custom options are alsoavailable, consult factory.
Tr = Rated output torque at rated speed for specific hours of life.

44

www.bostongear.com

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
Radial and Axial Load Ratings

DT060
1500
1250

338
281

250 rpm

1000

225500 rpm

750

169

1000 rpm

500

113

250

56
0

51030000

Radial Force , F r, ( N )Distance X (in).79
1.18.3945
250 rpm
500 rpm1000 rpm

10003322500

110102030
Distance X (mm)

DT115
6000

Fa

Radial Force , F r, ( N )Fr0.39Radial Force , F r, ( N )

Fa

1.58

1.97

100 rpm
250 rpm

3000

1352

676

500 rpm1000 rpm

1500

338

0100FrDistance X (in)1.1801014

DT142
X.79

4050 rpm

4500

06756

2000

0X

1.58

100 rpm

1500.79

2030
Distance X (mm)Distance X (in)
1.58
2.36

40502700

10000

100 rpm

2250
1800

250 rpm

1350

500 rpm1000 rpm

4000

90

2000
0450204060Distance X (mm)50100
2505001000

3075 [692]2441 [549]1798 [405]1427 [321]1133 [255]

Speed

Axial Load, Fa

50100250500
1000

4506 [1014]
3576 [805]2635 [593]2091 [471]1660 [373]Speed

Axial Load, Fa

50100
2505001000

8196 [1844]
6505 [1464]
4793 [1078]
3804 [856]3019 [679]Speed

Axial Load, Fa

50100
2505001000

17023 [3830]
13511 [3040]
9956 [2240]
7902 [1778]
6271 [1411]

N [lbf]rpm

rpm

N [lbf]N [lbf]

3.1550 rpm

6000

Axial Load, Farpm

0120008000Speed

02550 rpm

2500

Fa

1520Distance X (mm)Radial Force , F r, (lb f )

394

DT090
Fr

450100 rpm

0X.99

Radial Force , F r, (lb f )Radial Force , F r, ( N )FaDistance X (in).59.7950 rpm

1750

Fr.39

Radial Force , F r, (lb f )

2000

X

.20

800

Radial Force , F r, (lb f )0rpm

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.

P-8741-BG

10/19

www.bostongear.com

45