Micron TRUE Planetary® Gearheads
UltraTRUE™ 90

Helical Right Angle Gearheads

Ready for Immediate Delivery
Precision

4 arc-minutes

Frame Sizes

60 mm, 75 mm, 90 mm, 100 mm, 115 mm, 142 mm and 180 mm

Torque Capacity

up to 3111 Nm

Ratio Availability

1:1 thru 50:1

Radial load capacity

up to 37910 N

Mounting System

RediMount™

1

Tapered roller bearings
provide high axial and radial load
carrying capacity

2

Helical crowned
HRC 55-60 steel gears
provide higher torque capacity
and smoother operation

4
4

3 PowerTRUE™ gear technology
provides high torque capacity in
a compact package

4

RediMount systemprovides error-free motor
installation

1
3

2

MicronTrue 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.

94

www.bostongear.com

P-8741-BG

10/19

Micron TRUE Planetary® Gearheads
UltraTRUE 90 Size 60

MetricHelical Right Angle Gearheads
48(1.89)

M

ø 60 g6(2.3618/2.3611)

N

M5 THREAD X
19 (.75) DEEP

1
(.04)

M.S.

7
(.28)

5 h9
(.1969/.1957)18(.709)

ø 16 k6(.6304/.6300)

109.5(4.31)

61 SQ.
(2.40)

25
(.98)

79
(3.11)

ø 5.6 (.22) THRU HOLES
4PL EQUALLY SPACED ON A
ø 68 (2.68) BOLT CIRCLE

1
(.04)

7
(.28)

61 SQ.
(2.40)

18
(.71)

AD*

Ratio1
1:1 to 5:1
8:1 to 50:1

Dimension Dimension
Backlash Weight Efficiency‘M’‘N’[arc-min]kg [lb.]mm [in.]mm [in.]86 [3.38]
95 [3.75]

55 [2.18]
65 [2.55]

4 max
5 max

2,5 [5.5]
3 [6.6]98%
93%

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

Performance Specifications
10,000 Hour Life
Part
Number
UTR006-001
UTR006-002
UTR006-003
UTR006-004
UTR006-005
UTR006-008
UTR006-010
UTR006-012
UTR006-014
UTR006-015
UTR006-016
UTR006-020
UTR006-025
UTR006-028
UTR006-030
UTR006-035
UTR006-040
UTR006-050

20,000 Hour Life

Tr
Tr
Tr
Ratio
(1000 rpm) (3000 rpm) (5000 rpm)

Nm [in.-lb.]

1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

28 [247]
52 [456]
39 [342]
34 [301]26 [228]
106 [938]
102 [906]
109 [961]
97 [860]
105 [927]
110 [975]
106 [939]
107 [948]
100 [887]
93 [822]101 [894]
94 [830]
94 [836]

1

Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

9 [77]
19 [170]
12 [108]
9 [80]
7 [65]
51 [447]
49 [433]
49 [432]
46 [411]50 [443]
36 [318]45 [398]
37 [326]
48 [427]
30 [266]
49 [432]
31 [275]
32 [283]

8 [70]
17 [155]
11 [99]8 [73]
7 [60]
47 [413]45 [401]45 [394]
43 [383]
47 [413]33 [290]
41 [363]
34 [298]
45 [401]26 [232]
46 [407]27 [240]
28 [247]

7 [64]
16 [140]
10 [89]
7 [66]
6 [54]
45 [394]
43 [384]
40 [356]
42 [368]
45 [397]
30 [262]
37 [328]
30 [269]
44 [388]
25 [217]43 [377]
25 [225]
26 [232]

T peakJ
Tr
Tr
Tr
kg-cm2(1000 rpm) (3000 rpm) (5000 rpm) [in.-lb.-sec2x10-4]
Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

8 [71]
18 [157]
11 [100]
8 [73]
7 [60]
49 [438]
48 [423]45 [399]
45 [402]49 [433]
33 [294]
41 [367]
34 [301]47 [417]28 [246]
48 [422]29 [255]
30 [262]

7 [65]
16 [143]
10 [91]
8 [67]
6 [55]
45 [397]
44 [392]
41 [364]
42 [374]
46 [404]
30 [268]
38 [335]
31 [275]
44 [392]
24 [215]44 [385]
25 [223]
26 [229]

7 [59]
15 [129]
9 [82]
7 [61]
6 [50]
38 [340]40 [355]
37 [329]
41 [360]
44 [388]
27 [242]
34 [303]28 [249]
43 [379]
23 [201]39 [348]
24 [208]
24 [215],97 [8.4],50 [4.3],43 [3.7],40 [3.4],39 [3.4],50 [4.4],49 [4.4],39 [3.5],49 [4.4],39 [3.4],39 [3.5],39 [3.5],38 [3.4],39 [3.5],42 [3.7],38 [3.4],39 [3.5],38 [3.4]

Torsional
Stiffness

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

2,1 [19]
3,2 [29]3,6 [32]
3,8 [34]
3,9 [35]
2,1 [18]
1,8 [16 ]2,0 [18]
2,4 [22]2,4 [21]2,4 [22]2,4 [21]2,3 [21]2,2 [20]
2,3 [20]
2,3 [20]
2,4 [22]2,4 [21]

All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios are also available, 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

95

Micron TRUE Planetary® Gearheads
UltraTRUE™ 90 Size 75

MetricHelical Right Angle Gearheads
56(2.20)

M

ø 70 g6(2.7555/2.7547)

N

M8 THREAD X
19 (.75) DEEP

1.5
(.06)

M.S.

8
(.32)

6 h9
(.2362/.2350)

24.5(.965)

ø 22 k6(.8667/.8662)

141(5.54)

75 SQ.
(2.95)

32(1.26)

103(4.06)

ø 7 (.28) THRU HOLES
4PL EQUALLY SPACED ON A
ø 85 (3.35) BOLT CIRCLE

1
(.04)

7
(.28)

75 SQ.
(2.95)

20
(.78)

AD*

Ratio1

Dimension Dimension
Backlash Weight
Efficiency‘M’‘N’
kg [lb.][arc-min]
mm [in.]mm [in.]

1:1 to 5:1
89 [3.51]
8:1 to 50:1 114.5 [4.51]

52 [2.04]
77 [3.04]

4 max
5 max

4.8 [10]
5.3 [11.1]

98%
93%

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

Performance Specifications
10,000 Hour Life
Part
Number
UTR075-001
UTR075-002
UTR075-003
UTR075-004
UTR075-005
UTR075-008
UTR075-010
UTR075-012
UTR075-014
UTR075-015
UTR075-016
UTR075-020
UTR075-025
UTR075-028
UTR075-030
UTR075-035
UTR075-040
UTR075-050

Ratio1
1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

20,000 Hour Life

Tr
Tr
Tr
(1000 rpm) (3000 rpm) (5000 rpm)
Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

25 [220]56 [498]
37 [329]
28 [252]
21 [185]
91 [802]
88 [777]
93 [824]
83 [738]
90 [796]
95 [838]
91 [810]93 [820]87 [768]
54 [480]
88 [776]
56 [497]
58 [510]23 [200]
51 [455]
34 [300]
26 [230]
19 [169]
83 [737]
81 [716]
86 [762]
77 [685]
84 [740]
88 [780]
85 [756]
87 [767]
81 [720]
47 [418]
83 [730]
49 [433]
50 [446]

20 [181]46 [411]31 [271]
23 [208]
17 [153]79 [702]77 [684]
82 [730]
74 [657]
80 [710]85 [749]
82 [727]
84 [740]79 [695]
44 [391]
80 [706]
46 [406]
47 [418]

T peakNm [in.-lb.]

71 [625]
159 [1410]
129 [1146]
99 [880]
83 [735]
189 [1671]
183 [1617]
194 [1715]
174 [1536]
187 [1656]
197 [1743]
190 [1681]
192 [1698]
179 [1589]
166 [1473]
181 [1603]
168 [1489]
170 [1500]

J
Tr
Tr
Tr
kg-cm2(1000 rpm) (3000 rpm) (5000 rpm) [in.-lb.-sec2x10-4]
Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

23 [203]52 [460]
34 [304]
26 [232]
19 [171]
89 [785]
86 [759]
91 [805]
82 [722]88 [779]
93 [820]89 [792]
91 [801]85 [751]
50 [444]86 [759]
52 [460]
53 [472]

21 [185]
47 [420]31 [277]
24 [212]18 [156]
81 [720]79 [700]
84 [746]
76 [670]
82 [723]
86 [762]
83 [739]85 [750]80 [704]
44 [387]
81 [714]45 [401]47 [413]

19 [167]
43 [380]
28 [250]
22 [192]
16 [141]78 [686]
76 [669]
81 [714]73 [643]78 [694]
83 [732]
80 [711]80 [705]
77 [679]
41 [361]78 [690]
42 [375]
44 [387]

3,7 [33]
1,9 [17]
1,6 [15]
1,5 [13]
1,5 [13]
1,9 [17]
1,9 [17]
1,5 [14]1,9 [17]
1,5 [13]
1,5 [14]
1,5 [14]
1,5 [13]
1,5 [14]
1,6 [15]
1,5 [13]
1,5 [14]
1,5 [13]

Torsional
Stiffness

Nm/arc-min[in.-lb./arc-min]5,1 [46]
7,7 [69]
8,8 [78]
9,2 [81]
9,4 [83]
4,7 [41]4,1 [36]
4,6 [41]
6,6 [58]
6,7 [59]
6,7 [59]
6,5 [58]
6,4 [57]
5,9 [52]
6,3 [56]
6,3 [56]
6,7 [59]
6,6 [58]

All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios are also available, consult factory.

Tr = Rated output torque at rated speed for specific hours of life.

96

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
UltraTRUE 90 Size 90

Helical Right Angle Gearheads

Ratio1

MetricDimension Dimension
Backlash Weight Efficiency‘M’‘N’[arc-min]kg [lb.]mm [in.]mm [in.]

1:1 to 5:1
97 [3.82] 60 [2.35]
8:1 to 50:1 122.5 [4.82] 85 [3.35]

4 max
5 max

4.8 [10]
5.3 [11.1]

98%
93%

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

Performance Specifications
10,000 Hour Life
Part
Number
UTR090-001
UTR090-002
UTR090-003
UTR090-004
UTR090-005
UTR090-008
UTR090-010
UTR090-012
UTR090-014
UTR090-015
UTR090-016
UTR090-020
UTR090-025
UTR090-028
UTR090-030
UTR090-035
UTR090-040
UTR090-050

Ratio1
1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

20,000 Hour Life

Tr
Tr
Tr
(1000 rpm) (3000 rpm) (5000 rpm)
Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

25 [220]56 [498]
37 [329]
28 [252]
21 [185]
91 [802]
88 [777]
93 [824]
83 [738]
90 [796]
95 [838]
91 [810]93 [820]87 [768]
54 [480]
88 [776]
56 [497]
58 [510]23 [200]
51 [455]
34 [300]
26 [230]
19 [169]
83 [737]
81 [716]
86 [762]
77 [685]
84 [740]
88 [780]
85 [756]
87 [767]
81 [720]
47 [418]
83 [730]
49 [433]
50 [446]

20 [181]46 [411]31 [271]
23 [208]
17 [153]79 [702]77 [684]
82 [730]
74 [657]
80 [710]85 [749]
82 [727]
84 [740]79 [695]
44 [391]
80 [706]
46 [406]
47 [418]

T peakNm [in.-lb.]

71 [625]
159 [1410]
129 [1146]
99 [880]
83 [735]
189 [1671]
183 [1617]
194 [1715]
174 [1536]
187 [1656]
197 [1743]
190 [1681]
192 [1698]
179 [1589]
166 [1473]
181 [1603]
168 [1489]
170 [1500]

J
Tr
Tr
Tr
kg-cm2(1000 rpm) (3000 rpm) (5000 rpm) [in.-lb.-sec2x10-4]
Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

23 [203]52 [460]
34 [304]
26 [232]
19 [171]
89 [785]
86 [759]
91 [805]
82 [722]88 [779]
93 [820]89 [792]
91 [801]85 [751]
50 [444]86 [759]
52 [460]
53 [472]

21 [185]
47 [420]31 [277]
24 [212]18 [156]
81 [720]79 [700]
84 [746]
76 [670]
82 [723]
86 [762]
83 [739]85 [750]80 [704]
44 [387]
81 [714]45 [401]47 [413]

19 [167]
43 [380]
28 [250]
22 [192]
16 [141]78 [686]
76 [669]
81 [714]73 [643]78 [694]
83 [732]
80 [711]80 [705]
77 [679]
41 [361]78 [690]
42 [375]
44 [387]

3,7 [33]
1,9 [17]
1,6 [15]
1,5 [13]
1,5 [13]
1,9 [17]
1,9 [17]
1,5 [14]1,9 [17]
1,5 [13]
1,5 [14]
1,5 [14]
1,5 [13]
1,5 [14]
1,6 [15]
1,5 [13]
1,5 [14]
1,5 [13]

Torsional
Stiffness

Nm/arc-min[in.-lb./arc-min]5,1 [46]
7,7 [69]
8,8 [78]
9,2 [81]
9,4 [83]
4,7 [41]4,1 [36]
4,6 [41]
6,6 [58]
6,7 [59]
6,7 [59]
6,5 [58]
6,4 [57]
5,9 [52]
6,3 [56]
6,3 [56]
6,7 [59]
6,6 [58]

All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios are also available, 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

97

Micron TRUE Planetary® Gearheads
UltraTRUE™ 90 Size 10

Helical Right Angle Gearheads

Metric88(3.46)

MN

ø 90 g6(3.5428/3.5420)

M12 THREAD X
20 (.80) DEEP

3
(.12)

M.S.

10
(.39)

10 h9
(.3937/.3923)

35(1.38)

ø 32 k6(1.2606/1.2599)

193(7.60)
142.5(5.61)

101 SQ.
(3.98)

50(1.97)
ø 9 (.35) THRU HOLES
4PL EQUALLY SPACED ON A
ø 120 (4.72) BOLT CIRCLE

2
(.08)

12
(.47)

101 SQ.
(3.98)

28(1.10)

AD*

Ratio1
1:1 to 5:1
8:1 to 50:1

Dimension Dimension
Backlash Weight Efficiency‘M’‘N’[arc-min]kg [lb.]mm [in.]mm [in.]121 [4.75]
149 [5.88]

70 [2.76]
99 [3.89]

4 max
5 max

11 [24]12 [26.2]

98%
93%

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

Performance Specifications
10,000 Hour Life
Part
NumberUTR010-001
UTR010-002
UTR010-003
UTR010-004
UTR010-005
UTR010-008
UTR010-010
UTR010-012
UTR010-014
UTR010-015
UTR010-016
UTR010-020
UTR010-025
UTR010-028
UTR010-030
UTR010-035
UTR010-040
UTR010-050

20,000 Hour Life

J
Tr
Tr
Tr
kg-cm2(1000 rpm) (3000 rpm) (5000 rpm) [in.-lb.-sec2x10-4]

Tr
Tr
Tr
Ratio
(1000 rpm) (3000 rpm) (5000 rpm)

Nm [in.-lb.]

1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

232 [2052] 68 [598]
62 [546]323 [2856] 121 [1068] 110 [975]292 [2582] 94 [830]
86 [757]
227 [2006] 62 [552]
57 [504]
187 [1653] 47 [414]
43 [378]547 [4844] 260 [2305] 217 [1923]
531 [4701] 253 [2235] 226 [2005]
564 [4992] 270 [2389] 245 [2171]
506 [4481] 241 [2129] 222 [1963]
546 [4832] 259 [2297] 240 [2120]
575 [5085] 250 [2210] 228 [2016]
555 [4916] 264 [2338] 245 [2170]
562 [4974] 234 [2072] 214 [1890]
526 [4659] 251 [2220] 234 [2072]
488 [4317] 147 [1300] 128 [1129]
532 [4707] 254 [2248] 238 [2104]
494 [4372] 152 [1347] 132 [1173]
498 [4410] 156 [1384] 136 [1207]

1

Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

73 [648]
131 [1157]
101 [898]
68 [598]
51 [449]266 [2358]
258 [2286]
274 [2426]
246 [2178]
265 [2349]
270 [2393]
270 [2391]
253 [2243]
256 [2270]
159 [1405]
260 [2298]
164 [1456]
169 [1496]

67 [591]
119 [1056]
93 [820]
62 [546]
46 [409]
243 [2147]
236 [2092]
252 [2229]
227 [2007]
245 [2168]
247 [2184]
251 [2219]
231 [2047]
239 [2119]
138 [1220]
243 [2152]
143 [1267]
147 [1304]

60 [535]
108 [955]
84 [741]
56 [494]
42 [370]229 [2031]
225 [1989]
240 [2125]
217 [1917]
234 [2072]
223 [1975]
240 [2127]
209 [1851]
230 [2038]
129 [1139]
234 [2074]
134 [1184]
138 [1220]

T peakNm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

56 [494]
100 [882]
77 [684]
51 [456]
39 [342]186 [1650]
194 [1720]
210 [1863]
207 [1834]
219 [1943]
206 [1823]
235 [2080]
193 [1709]
225 [1993]
119 [1054]
229 [2028]
124 [1096]
128 [1129]

6,3 [56]
3,2 [29]2,8 [25]
2,6 [23]
2,5 [23]
3,3 [29]
3,3 [29]2,6 [23]
3,3 [29]
2,5 [23]
2,6 [23]
2,6 [23]
2,5 [23]
2,6 [23]
2,8 [25]
2,5 [23]
2,6 [23]
2,5 [23]

Torsional
Stiffness

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

9,2 [81]
15,0 [133]17,1 [151]17,9 [159]18,3 [162]16,6 [147]13,1 [116]18,8 [167]23,1 [204]24,3 [215]24,8 [220]22,1 [196]22,1 [196]19,2 [170]19,1 [169]19,0 [168]24,9 [221]21,9 [194]All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios are also available, consult factory.

Tr = Rated output torque at rated speed for specific hours of life.

98

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
UltraTRUE 90 Size 115

Helical Right Angle Gearheads

Metric
8.6

Ratio1

Dimension Dimension
Backlash Weight Efficiency‘M’‘N’[arc-min]kg [lb.]mm [in.]mm [in.]

1:1 to 5:1 136,7 [5.38] 86 [3.39]
8:1 to 50:1 165 [6.51] 114,8 [4.52]

4 max
5 max

11 [24]12 [26.2]

98%
93%

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

Performance Specifications
10,000 Hour Life
Part
NumberUTR115-001
UTR115-002
UTR115-003
UTR115-004P
UTR115-005P
UTR115-008
UTR115-010
UTR115-012
UTR115-014
UTR115-015
UTR115-016
UTR115-020
UTR115-025
UTR115-028
UTR115-030
UTR115-035
UTR115-040
UTR115-050

20,000 Hour Life

J
Tr
Tr
Tr
kg-cm2(1000 rpm) (3000 rpm) (5000 rpm) [in.-lb.-sec2x10-4]

Tr
Tr
Tr
Ratio
(1000 rpm) (3000 rpm) (5000 rpm)

Nm [in.-lb.]

1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

232 [2052] 68 [598]
62 [546]323 [2856] 121 [1068] 110 [975]292 [2582] 94 [830]
86 [757]
227 [2006] 62 [552]
57 [504]
187 [1653] 47 [414]
43 [378]547 [4844] 260 [2305] 217 [1923]
531 [4701] 253 [2235] 226 [2005]
564 [4992] 270 [2389] 245 [2171]
506 [4481] 241 [2129] 222 [1963]
546 [4832] 259 [2297] 240 [2120]
575 [5085] 250 [2210] 228 [2016]
555 [4916] 264 [2338] 245 [2170]
562 [4974] 234 [2072] 214 [1890]
526 [4659] 251 [2220] 234 [2072]
488 [4317] 147 [1300] 128 [1129]
532 [4707] 254 [2248] 238 [2104]
494 [4372] 152 [1347] 132 [1173]
498 [4410] 156 [1384] 136 [1207]

1

Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

73 [648]
131 [1157]
101 [898]
68 [598]
51 [449]266 [2358]
258 [2286]
274 [2426]
246 [2178]
265 [2349]
270 [2393]
270 [2391]
253 [2243]
256 [2270]
159 [1405]
260 [2298]
164 [1456]
169 [1496]

67 [591]
119 [1056]
93 [820]
62 [546]
46 [409]
243 [2147]
236 [2092]
252 [2229]
227 [2007]
245 [2168]
247 [2184]
251 [2219]
231 [2047]
239 [2119]
138 [1220]
243 [2152]
143 [1267]
147 [1304]

60 [535]
108 [955]
84 [741]
56 [494]
42 [370]229 [2031]
225 [1989]
240 [2125]
217 [1917]
234 [2072]
223 [1975]
240 [2127]
209 [1851]
230 [2038]
129 [1139]
234 [2074]
134 [1184]
138 [1220]

T peakNm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

56 [494]
100 [882]
77 [684]
51 [456]
39 [342]186 [1650]
194 [1720]
210 [1863]
207 [1834]
219 [1943]
206 [1823]
235 [2080]
193 [1709]
225 [1993]
119 [1054]
229 [2028]
124 [1096]
128 [1129]

6,3 [56]
3,2 [29]2,8 [25]
2,6 [23]
2,5 [23]
3,3 [29]
3,3 [29]2,6 [23]
3,3 [29]
2,5 [23]
2,6 [23]
2,6 [23]
2,5 [23]
2,6 [23]
2,8 [25]
2,5 [23]
2,6 [23]
2,5 [23]

Torsional
Stiffness

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

9,2 [81]
15,0 [133]17,1 [151]17,9 [159]18,3 [162]16,6 [147]13,1 [116]18,8 [167]23,1 [204]24,3 [215]24,8 [220]22,1 [196]22,1 [196]19,2 [170]19,1 [169]19,0 [168]24,9 [221]21,9 [194]All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios are also available, 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

99

Micron TRUE Planetary® Gearheads
UltraTRUE™ 90 Size 14

Helical Right Angle Gearheads

Metric112(4.41)

M

ø 130 g6
(5.1176/5.1166)

N

M12 THREAD X
20 (.80) DEEP

5
(.20)

M.S.

13
(.51)

12 h9
(.4724/.4707)

43(1.69)

ø 40 k6(1.5755/1.5749)

231(9.09)

141 SQ.
(5.55)

70(2.76)

160(6.29)

ø 11 (.43) THRU HOLES
4PL EQUALLY SPACED ON A
ø 165 (6.50) BOLT CIRCLE

3
(.12)

14
(.55)

142 SQ.
(5.59)

27(1.06)

AD*

Ratio1
1:1 to 5:1P
8:1 to 50:1

Dimension Dimension
Backlash Weight Efficiency‘M’‘N’[arc-min]kg [lb.]mm [in.]mm [in.]166 [6.54]
222 [8.74]

95 [3.74]
151 [5.95]

4 max
5 max

24 [53]29 [64]98%
93%

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

Performance Specifications
10,000 Hour Life
Part
NumberUTR014-001
UTR014-002
UTR014-003
UTR014-004P
UTR014-005P
UTR014-008
UTR014-010
UTR014-012
UTR014-014
UTR014-015
UTR014-016
UTR014-020
UTR014-025
UTR014-028
UTR014-030
UTR014-035
UTR014-040
UTR014-050

20,000 Hour Life

Tr
Tr
Tr
Ratio
(1000 rpm) (3000 rpm) (5000 rpm)
1

1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

T peakNm [in.-lb.]

Nm [in.-lb.]

J
Tr
Tr
Tr
kg-cm2(1000 rpm) (3000 rpm) (5000 rpm) [in.-lb.-sec2x10-4]

Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

158 [1396]
327 [2893]
220 [1944]
158 [1396]
118 [1047]
625 [5531]
606 [5364]
644 [5702]
578 [5118]
624 [5522]
631 [5587]
636 [5627]
592 [5240]
605 [5350]
380 [3363]
612 [5420]
394 [3486]
405 [3584]

144 [1274] 130 [1152] 380 [3363] 146 [1289]
298 [2640] 270 [2387] 708 [6270] 302 [2671]
201 [1774] 181 [1604] 545 [4822] 203 [1796]
144 [1274] 130 [1152] 471 [4172] 146 [1289]
108 [956]
98 [864] 396 [3506] 109 [967]565 [5000] 533 [4719] 1269 [11,233] 611 [5408]
551 [4876] 522 [4617] 1233 [10,911] 593 [5245]
588 [5207] 559 [4944] 1313 [11,616] 630 [5576]
530 [4690] 504 [4461] 1179 [10,430] 565 [5005]
572 [5067] 545 [4824] 1272 [11,253] 610 [5399]
576 [5099] 521 [4610] 1340 [11,860] 583 [5160]
587 [5194] 561 [4963] 1296 [11,471] 622 [5503]
540 [4782] 488 [4324] 1314 [11,625] 547 [4839]
561 [4969] 539 [4767] 1231 [10,896] 591 [5232]
329 [2914] 307 [2715] 1143 [10,111] 352 [3112]
571 [5052] 549 [4857] 1246 [11,024] 599 [5300]
342 [3028] 319 [2826] 1159 [10,257] 364 [3226]
352 [3118] 329 [2914] 1171 [10,360] 375 [3316]

Nm [in.-lb.]

Nm [in.-lb.]

133 [1177]
275 [2438]
185 [1639]
133 [1177]
100 [883]
530 [4688]
539 [4768]
575 [5092]
518 [4586]
560 [4955]
532 [4708]
574 [5079]
499 [4415]
549 [4859]
305 [2696]
558 [4941]
317 [2802]
326 [2886]

120 [1064]
249 [2204]
167 [1481]
120 [1064]
90 [798]454 [4022]
474 [4192]
513 [4542]
493 [4363]
533 [4717]
481 [4257]
548 [4854]
451 [3992]
527 [4661]
284 [2512]
537 [4750]
295 [2615]
305 [2696]

32 [279]
16 [143]
14 [123]
13 [114]
13 [112]16 [146]
16 [145]
13 [116]
16 [145]
12 [113]
13 [115]
13 [115]
12 [113]
13 [115]
14 [124]
12 [113]
13 [115]
12 [112]

Torsional
Stiffness

Nm/arc-min[in.-lb./arc-min]28,4 [252]46,6 [413]52,9 [468]55,5 [491]56,8 [503]36,7 [325]31,9 [282]22,1 [195]51,6 [457]51,7 [457]52,8 [467]49,2 [435]49,2 [435]42,8 [379]44,7 [396]40,2 [356]52,6 [466]49,2 [435]All ratios are available to ship in 24 hours through the Gearhead Express Program.
1 Ratios are exact, higher ratios are also available, consult factory.

Tr = Rated output torque at rated speed for specific hours of life.

100 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
UltraTRUE 90 Size 18

MetricHelical Right Angle Gearheads
112(4.41)

M

ø 160 g6
(6.2987/6.2977)

N

M20 THREAD X
42 (1.65) DEEP

6
(.24)

M.S.

15
(.59)

16 h9
(.6299/.6282)

59(2.32)

ø 55 k6(2.1662/2.1654)

319(12.56)228(8.98)

182 SQ.
(7.17)

70(2.76)
ø 13.5 (.53) THRU HOLES
4PL EQUALLY SPACED ON A
ø 215 (8.46) BOLT CIRCLE

3
(.12)

13
(.52)

182 SQ.
(7.17)

27(1.06)

AD*

Ratio1

Dimension Dimension
Backlash Weight Efficiency‘M’‘N’[arc-min]kg [lb.]mm [in.]

1:1 to 5:1
8:1 to 50:1

mm [in.]219 [8.64] 128 [5.05]
273 [10.76] 182 [7.18]

4 max
5 max

43 [96]48 [106]

98%
93%

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

Performance Specifications
10,000 Hour Life
Part
NumberRatio1

Tr
Tr
Tr(1000 rpm) (3000 rpm) (5000 rpm)
Nm [in.-lb.]

UTR018-001
UTR018-002
UTR018-003
UTR018-004P
UTR018-005P
UTR018-008
UTR018-010
UTR018-012
UTR018-014
UTR018-015
UTR018-016
UTR018-020
UTR018-025
UTR018-028
UTR018-030
UTR018-035
UTR018-040
UTR018-050

1:1
2:1
3:1
4:1
5:1
8:1
10:1
12:1
14:1
15:1
16:1
20:1
25:1
28:1
30:1
35:1
40:1
50:1

20,000 Hour LifeNm [in.-lb.]

Nm [in.-lb.]

Tr = Rated output torque at rated speed for specific hours of life.

10/19

Nm [in.-lb.]

Tr
Tr
Tr
(1000 rpm) (3000 rpm) (5000 rpm)
Nm [in.-lb.]

Nm [in.-lb.]

Nm [in.-lb.]

248 [2195] 226 [2003]
205 [1811]
819 [7246]
229 [2027] 209 [1850] 189 [1672]
654 [5786] 597 [5280]
539 [4774] 1911 [16914] 604 [5343]
551 [4876] 498 [4408]
507 [4489] 463 [4096]
419 [3704] 1674 [14817] 468 [4145] 427 [3783] 386 [3420]
361 [3192] 329 [2913]
298 [2633] 1190 [10536] 333 [2947] 304 [2690] 275 [2432]
254 [2245]
231 [2048]
209 [1852]
837 [7410]
234 [2073] 214 [1892] 193 [1710]
1460 [12920] 1309 [11589] 1230 [10888] 2929 [25920] 1428 [12634] 1184 [10476] 1016 [8988]
1418 [12547] 1279 [11322] 1206 [10673] 2851 [25228] 1386 [12269] 1234 [10918] 1058 [9366]
1509 [13352] 1368 [12108] 1294 [11448] 3040 [26900] 1475 [13057] 1337 [11832] 1147 [10150]
1355 [11993] 1234 [10917] 1169 [10344] 2733 [24185] 1325 [11728] 1206 [10675] 1129 [9989]
1463 [12944] 1333 [11800] 1265 [11192] 2950 [26109] 1430 [12657] 1304 [11539] 1195 [10578]
1443 [12769] 1317 [11652] 1191 [10536] 3111 [27532] 1332 [11791] 1216 [10760] 1099 [9729]
1493 [13209] 1370 [12121] 1304 [11541] 3014 [26674] 1460 [12917] 1339 [11853] 1275 [11285]
1268 [11226] 1158 [10245] 1047 [9263] 3060 [27078] 1171 [10366] 1069 [9460] 967 [8554]
1421 [12576] 1313 [11620] 1255 [11110] 2870 [25400] 1390 [12298] 1284 [11362] 1228 [10864]
897 [7935] 775 [6856]
721 [6377] 2665 [23583] 830 [7342] 717 [6344]
667 [5900]
1441 [12750] 1337 [11828] 1281 [11338] 2908 [25736] 1409 [12468] 1307 [11567] 1253 [11087]
930 [8231]
806 [7131]
751 [6645] 2708 [23967] 861 [7616] 746 [6599]
695 [6149]
956 [8465] 830 [7348]
775 [6856] 2739 [24239] 885 [7832] 768 [6799] 717 [6344]

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

P-8741-BG

T peakJ

kg-cm2[in.-lb.-sec2x10-4]

111 [985]
57 [505]
49 [434]
46 [403]45 [396]
45 [401]45 [398]
36 [317]45 [398]
35 [310]36 [316]36 [316]35 [309]36 [316]
38 [339]
35 [309]36 [314]35 [308]

Torsional
Stiffness

Nm/arc-min[in.-lb./arc-min]50 [440]82 [722]93 [820]
97 [860]
99 [880]
113 [998]
92 [812]63 [560]
111 [986]
144 [1272]
147 [1299]
142 [1257]
119 [1055]
126 [1113]
113 [997]
113 [998]
147 [1299]
142 [1257]

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 101

Micron TRUE Planetary® Gearheads
Radial and Axial Load Ratings
Ratios 1:1 thru 5:1 only

UTR006
Fa

.79

.98

Distance X (in)
1.18
1.38

1.57

1.77

1349

50 rpm5000
Radial Force , F r, ( N )

Fr

.59

6000

1124

100 rpm

4000

900

3000

250 rpm

674

2000

500 rpm1000 rpm

450

1000

225
15

20

25

30
35
Distance X (mm)40

Radial Force , F r, (lb f )

X

45

Speed

Axial Load, Fa

50
100
250
500
1000

6543 [1471]
5191 [1167]
3825 [860]3038 [683]2411 [542]Speed

Axial Load, Fa

50
100
250
500
1000

9003 [2024]
7148 [1607]
5266 [1184]
4181 [940]3318 [746]Speed

Axial Load, Fa

50
100
250
500
1000

12,432 [2795]
10,097 [2270]
7668 [1724]
6232 [1401]
5062 [1138]

Speed

Axial Load, Fa

50
100
250
500
1000

23,067 [5186]
18,735 [4212]
14,234 [3200]
11,560 [2599]
9390 [2111]

Speed

Axial Load, Fa

50
100
250
500
1000

31,398 [7059]
24,922 [5603]
18,361 [4128]
14,576 [3277]
11,569 [2601]

rpm

N [lbf]

UTR075 and UTR090
7000

Fa

Radial Force , F r, ( N )

Fr

8000
6000
5000
4000
3000

Distance X (in)
1.38
1.77

.98

2.17

1798

50 rpm1574

100 rpm

1349
1124

250 rpm

900

500 rpm

6741000 rpm

450

2000

225

1000
25

35
45
Distance X (mm)Radial Force , F r, (lb f )

X

55

rpm

N [lbf]

UTR010 and UTR115
14000

Fa

10000
8000
6000
4000

1.18

1.57

Distance X (in)
1.97
2.36

2.75

3.15

3.54
3147

50rpm

12000
Radial Force , F r, ( N )

Fr

.79

2698
2248

100 rpm

1798

250 rpm
500 rpm

1349

1000 rpm

900
450

2000
20

30

40

50
60
Distance X (mm)70

80Radial Force , F r, (lb f )

X

90

rpm

N [lbf]

UTR014
Fa

25000
Radial Force , F r, ( N )

Fr

30000

20000
15000
10000

.79

Distance X (in)
2.36
3.15

1.57

3.94

6744

50 rpm5620

100 rpm

4500

250 rpm

3372

500 rpm1000 rpm

2248

5000

1124
20

40

60
80
Distance X (mm)Radial Force , F r, (lb f )

X

100

rpm

N [lbf]

UTR018
30000

Fa

Radial Force , F r, ( N )

Fr

35000

25000
20000
15000
10000

1.18

1.97

Distance X (in)
2.75

3.54

4.33

50 rpm7868
6744

100 rpm

5620
4500

250 rpm
500 rpm

3372

1000 rpm

2248

5000

1124
30

50

70
Distance X (mm)

90

110

Radial Force , F r, (lb f )Xrpm

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.

102 www.bostongear.com

P-8741-BG

10/19

Micron TRUE Planetary® Gearheads
Radial and Axial Load Ratings
Ratios 8:1 thru 50:1 only
6600

Fr

5500

Fa

4400

.59

.79

.98

Distance X (in)
1.18
1.38

1.57

1.77

1484

50 rpm1237

100 rpm

990

3300

250 rpm

742

2200

500 rpm1000 rpm

495

1100

248
15

20

25

30
35
Distance X (mm)

40

Speed

Axial Load, Fa

50
100
250
500
1000

7198 [1618]
5710 [1284]
4208 [946]3342 [751]2652 [596]Speed

Axial Load, Fa

50
100
250
500
1000

9903 [2227]
7863 [1768]
5793 [1303]
4599 [1034]
3650 [821]Speed

Axial Load, Fa

50
100
250
500
1000

13,675 [3075]
11,107 [2497]
8435 [1897]
6855 [1542]
5568 [1252]

Speed

Axial Load, Fa

50
100
250
500
1000

25,374 [5705]
20,609 [4633]
15,657 [3520]
12,716 [2859]
10,329 [2322]

Speed

Axial Load, Fa

50
100
250
500
1000

34,538 [7765]
27,414 [6163]
20,197 [4541]
16,034 [3605]
12,726 [2861]

rpm

Radial Force , F r, (lb f )X
Radial Force , F r, ( N )UTR00645

N [lbf]

UTR075 and UTR090
7700

Fa

Radial Force , F r, ( N )

Fr

8800
6600
5500
4400
3300

Distance X (in)
1.38
1.77

.98

2.17

1979

50 rpm1731

100 rpm

1484
1237

250 rpm

990

500 rpm

742

1000 rpm

2200

495

1100

248
25

35
45
Distance X (mm)Radial Force , F r, (lb f )

X

55

rpm

N [lbf]

UTR010 and UTR115

6600

2473
1979
1484
990

2200

495

Radial Force , F r, ( N )

27500

30

22000
16500
11000

.79

40

33000

Radial Force , F r, ( N )

80

3.94

27500
22000
16500

90

7419
6182

100 rpm

4946

250 rpm

3710

500 rpm1000 rpm

2473

5500

38500

Fa

70

50 rpm

1237
40

60
80
Distance X (mm)UTR018Fr

50
60
Distance X (mm)Distance X (in)
2.36
3.15

1.57

20

X

3.54
3462

4400

33000

Fa

3.15

2968

UTR014Fr

2.75

250 rpm
500 rpm1000 rpm

20

X

Distance X (in)
1.97
2.36

100 rpm

11000
8800

1.57

1.18

1.97

Distance X (in)2.75

Radial Force , F r, (lb f )

Fa

1.18

50 rpm

13200

Radial Force , F r, ( N )

Fr

.79

Radial Force , F r, (lb f )

15400

100

3.54

4.33

50 rpm8655
7419

100 rpm

6182
4946

250 rpm
500 rpm

3710

1000 rpm

11000

2473

5500

1237
30

50

70
Distance X (mm)

90

110

Radial Force , F r, (lb f )

X

rpm

rpm

rpm

N [lbf]N [lbf]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 103