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Model Name | RI50 | RI60 | RI70 | RI80 | RI100 |
Motor Type | Frameless In-runner motor | Frameless In-runner motor | Frameless In-runner motor | Frameless In-runner motor | Frameless In-runner motor |
Weight(g) | 180.8 | 155.9 | 270.4 | 411.2 | 500 |
Voltage(V) | 24/36/48 | 24/36/48 | 24/36/48 | 24/36/48 | 24/36/48 |
Rated Torque(N.m) | 0.58 | 0.57 | 0.94 | 1.45 | 1.76 |
Peak Torque(N.m) | 1.67 | 1.63 | 2.68 | 4.1 | 4.95 |
Max Speed@Rated Torque(Rpm) | 1365/2240/3020 | 1610/2560/3495 | 1450/2300/3125 | 1280/1980/2805 | 1460/2220/3230 |
Rated Current(A) | 5.3 | 6.7 | 8.4 | 10.4 | 16.9 |
Peak Current(A) | 15.25 | 19.2 | 24 | 29.3 | 47.6 |
Kt(N.m/A) | 0.1095 | 0.085 | 0.1118 | 0.14 | 0.104 |
Ke(V/rpm) | 0.0115 | 0.0089 | 0.0117 | 0.0147 | 0.0109 |
Kv(Rpm/v) | 96 | 124 | 94 | 75 | 101 |
Km(Nm/√w) | 0.0835 | 0.0812 | 0.1571 | 0.2406 | 0.2664 |
Pole-paors | 7 | 14 | 14 | 7 | 14 |
Phase to Phase resistance(mΩ) | 1420 | 900 | 418 | 280 | 126 |
Phase to Phase Inductance(uH) | 1500 | 877.5 | 622.7 | 988.3 | 366.7 |
OD(mm) | 54 | 60 | 76 | 85 | 104 |
ID(mm) | 22 | 30 | 38 | 40.5 | 45 |
Max Torque Weight Ratio(N.m/kg) | 9.24 | 10.46 | 9.91 | 9.97 | 9.9 |





Q1: Are you manufacturer?
A: Yes.We are the headoffice & manufacturer of T-MOTOR brand .
We can do both OEM and ODM. We have our own R&D team.
Q2: Can I get a free sample?
A: Generally we don't provide free sample, but we can return sample cost when you place format orders .
Q3: What are the shipping methods?
A: DHL express is default delivery . Usually it will take 3-5 days to arrive your place . We accept UPS , FedEx and others you required .
Q4: How is your warranty service?
A: We do strict test before shipping and guarantee for 365 days. We pay high attention to after-sales service.
Q5: What's the payment method?
A: We accept Alibaba trade assurance , Paypal , Bank transfer , Credit card .
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