Backstop Torque Capacities
TR Backstop Torque Capacities (x103 In-Lbs.) About Low Speed Shaft
| MODEL |
NOMINAL GEAR DRIVE RATIO |
| 5 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
60-250 |
| 107TR |
2.77 |
4.70 |
7.09 |
9.56 |
11.74 |
14.15 |
16.14 |
18.66 |
--- |
| 115TR |
7.82 |
14.12 |
20.29 |
9.49 |
11.72 |
14.02 |
15.99 |
18.17 |
--- |
| 203TR |
7.74 |
13.05 |
19.50 |
27.28 |
11.78(1) |
13.86 |
16.62 |
18.70 |
--- |
| 207TR |
13.68 |
25.01 |
36.98 |
45.79 |
32.89 |
40.03 |
46.85 |
51.64 |
--- |
| 215TR |
13.72(1) |
23.93(1) |
33.65 |
47.47 |
59.71 |
40.99 |
47.49 |
51.64 |
--- |
| 307TR |
25.22 |
42.79(1) |
61.10 |
44.85(1) |
57.89 |
72.37 |
81.42 |
91.58 |
--- |
| 315TR |
32.78(1) |
58.40(1) |
83.93 |
77.41 |
95.79 |
68.56 |
80.27 |
90.76 |
--- |
| 407TR |
50.96(1) |
73.48(1) |
113.92 |
156.45 |
139.81 |
170.26 |
137.11 |
154.22 |
--- |
| 415TR |
--- |
--- |
106.93(1) |
154.61(1) |
182.45 |
--- |
--- |
219.54 |
231.00 |
| 507TR |
--- |
--- |
224.34(1) |
--- |
380.35 |
246.21(1) |
273.57(1) |
300.10 |
231.00 (1) |
| 608TR |
--- |
--- |
311.10(1) |
--- |
534.12 |
437.54 |
--- |
507.30 |
459.40 |
| 700TR |
--- |
--- |
311.10(1) |
--- |
534.12(1) |
437.54(1) |
--- |
507.30 (1) |
459.40 (1) |
Notes:
(1) For these specific models and ratios, the backstop torque capacity is less than the gear drive maximum catalog rating for Class I Service. Torque capacities shown are based upon 106 full load cycles. If less than 106 full load cycles are required, the backstop torque capacity can be increased. Consult the
Dorris Company
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for evaluation.
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