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Gearhead 3-180 for MISUMI Small AC Motors Right Angle type launched as MISUMI Economy series
【Usage】
- Mounted directly on small motors to achieve compact heavy-load transport with high permissible torque.
【Product Features】
- Wide selection of reduction ratios from 1/3 to 1/180
Part Number
Configured Part Number is shown.
EA-BLD5040-24-A-30S
| Motor Type | Gearhead Type | Type | Applications | Features | Output Range | Controller |
| BLDC - High Torque Motor | Parallel & Solid Gearhead | EA-BLD⃞-220-GK | Where space is available and high power (torque) is required. | High allowable torque and superior load capacity (e.g., 10N.m) | 15W-400W | LINK |
| Parallel (L Type) & Hollow Gearhead | EA-BLD⃞-220-GKL | Where there is plenty of space, standard power, and the output shaft is constantly rotating in reverse. | Standard type with slightly lower allowable torque than K2 (e.g., 5N.m). | 15W-400W | ||
| Right Angle & Hollow Gearhead | EA-BLD⃞-220-GKR | To save installation space or want to mount directly on the axis of the device (hollow shaft). | Space-saving design; available in Hollow Shaft or Solid Shaft types. | 40W-400W | ||
| BLDC - High Efficiency Motor | Parallel & Solid Gearhead | EA-BLD⃞-220-GV | General-purpose use requiring wide speed options | Parallel shaft reducer. Widest range: 5 to 360 | 30W-750W | LINK |
| Parallel (L Type) & Hollow Gearhead | EA-BLD⃞-220-GS | Machinery with tight space constraints; allows perpendicular mounting. | Right-angle gearbox with hollow shaft structure. Special design with a right-angle hollow shaft helps optimize space | 30W - 400W | ||
| Right Angle & Hollow Gearhead | EA-BLD⃞-220-GSL | Heavy-duty applications demanding high power in a parallel configuration. | Parallel shaft reducer. IP20 (Standard rating, lower than S/SF). | 100W-1100W | ||
| BLDC - Standard Motor | Without Gearhead | EA-BLD⃞-A | Used when speed reduction is not required (No gear head) | Only the motor body. The output shaft is either a smooth round shaft or a keyed shaft | 15W-400W | LINK |
| Parallel Gearhead | EA-BLD⃞-GN/GU | It is the most common type, used in conveyors and automation systems that require direct transmission and basic load capacity. | The motor comes with a pre-mounted square gearbox, with the output shaft parallel to the motor shaft. The GU series is typically more robust and uses bearings. | 15W-1000W | ||
| Parallel (L Type) Gearhead | EA-BLD⃞-GNL/GUL | Useful in confined spaces where a 90° transmission angle is needed to save space. The hollow shaft allows easy direct mounting onto the machine shaft. | The gearbox is designed in an L-shape, with the output shaft at a 90° angle to the motor body. It often features a hollow shaft (designation LC) | 15W-750W |
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Please select the model and parameters according to the options below before placing your order.![]() | ![]() Type | ![]() Flange Size + W | - | ![]() Voltage | - | ![]() Round Shaft Type | - | ![]() Speed | ||
| EA-BLD | 2025 | - | 24 | - | A | - | 30S | |||
| BLDC EA-BLD | 2025 | 60 | 25 | 220 | 24VDC 36VDC 48VDC 110V 220V | A | 30S |
| 3040 | 70 | 40 | |||||
| 3060 | 60 | ||||||
| 4040 | 80 | 40 | |||||
| 4060 | 60 | ||||||
| 5040 | 90 | 40 | |||||
| 5060 | 60 | ||||||
| 5090 | 90 | ||||||
| 5120 | 120 | ||||||
| 6200 | 104 | 200 | |||||
| 6400 | 400 |
*Torque – Speed Characteristic Curve
EA-BLD2025

EA-BLD3040
EA-BLD3060

EA-BLD4040
EA-BLD4060

EA-BLD5040EA-BLD5060
EA-BLD5090

EA-BLD5120

EA-BLD6200
EA-BLD6400

![]() | EA-BLD3040 ![]() |
EA-BLD4040 ![]() | EA-BLD5040EA-BLD5060 ![]() |
EA-BLD6200 ![]() | |
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*Permissible overhung load & thrust load
- Permissible overhung load
| ![]() |
*Allowable suspension load of motor • Allowable axial load
| 3~18 | 50 | 80 | ||
| 25~200 | 120 | 180 | ||
| 3~18 | 100 | 150 | ||
| 25~200 | 200 | 300 | ||
| 3~18 | 250 | 350 | ||
| 25~200 | 300 | 450 | ||
| 3~9 | 400 | 500 | ||
| 12.5~18 | 450 | 600 | ||
| 25~200 | 500 | 700 | ||
| 3~200 | 40 | 1100 | 1500 | 300 |
*Permissible load inertia for gearhead J
- When a high load inertia (J) is connected to a gearhead, high torque is exerted instantaneously on the gearhead when starting up in frequent, discontinuous operations (or when stopped by an electromagnetic brake, or when stopped instantaneously by a brake pack). Excessive impact loads can cause the gearhead or motor damage.
- The table below gives values for permissible load inertia on the motor shaft. Use the motor and gearhead within these parameters. The permissible inertial load value shown for three-phase motors is the value when reversing after a stop.
- The permissible load inertia (J) on the gearhead output shaft is calculated with the following equation.
- The life of the gearhead when operating at the permissible inertial load with instantaneous stops of the motors with electromagnetic brakes, brake packs or speed control motors is at least 2 million cycles.
*Permissible load inertia for gear head output shaft
Gear ratio 1/3~1/50 JG=JM×I | JG: Permissible load inertia gearhead output shaft J (×10kg.m²) |
*Permissible load inertia at the motor shaft
| 42 | 1W, 3W | 0.016 | 0.07 |
| 60 | 3W※, 6W | 0.062 | 0.25 |
| 70 | 6W※, 15W | 0.14 | 0.52 |
| 80 | 10W※, 25W | 0.31 | 1.2 |
| 90 | 20W※, 40W | 0.75 | 3 |
| 60W | 1.1 | 4.6 | |
| 90W | |||
| 120W | |||
| 100 | 120W | 2 | 8 |
| 140W | |||
| 180W | |||
| 60 | 6W | 0.062 | 0.25 |
| 70 | 15W | 0.14 | 0.52 |
| 80 | 25W | 0.31 | 1.2 |
| 90 | 40W | 0.75 | 3 |
| 60W | 1.1 | 4.6 | |
| 90W | |||
| 120W | |||
| 100 | 120W | 2 | 8 |
| 140W | |||
| 180W | |||
| 60 | 6W, 10W, 15W | 0.062 | 0.25 |
| 70 | 15W | 0.14 | 0.52 |
| 80 | 25W, 40W | 0.31 | 1.2 |
| 90 | 40W | 0.75 | 3 |
| 60W | 1.1 | 4.6 | |
| 90W | |||
| 120W | |||
| 100 | 250W | 2 | 8 |
*The calculation for the permissible torque of gearhead
Permissible torque for some products are omitted. In that case, use the equation below to catculate the permissible torque.Permissible torque TG=TM×i×η | i: Gear ratio gearhead |
*Gearhead Effeciency
| GN2K GN4K GN5K GN4RC/RT | 81% | 81% | 81% | 81% | 81% | 81% | 81% | 81% | 81% | 73% | 73% |
| GU6KB GU5RC/RT | 81% | 81% | 81% | 81% | 81% | 81% | 81% | 73% | 73% | 66% | 66% |
| GU6K GU6RC/RT | 81% | 81% | 81% | 81% | 81% | 81% | 81% | 73% | 73% | 66% | 66% |
| GN2K GN4K GN5K GN4RC/RT | 73% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% |
| GU6KB GU5RC/RT | 66% | 66% | 66% | 66% | 59% | 59% | 59% | 59% | 59% | 59% |
| GU6K GU6RC/RT | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% | 66% |
| GN2L | 83% | 89% | 89% | 89% | 89% | 89% | 89% | 89% |
| GN4L | 74% | 89% | 89% | 89% | 89% | 89% | 89% | 89% |
| GU5L | 74% | 89% | 89% | 89% | 89% | 89% | 89% | 89% |
| GU6L | 74% | 89% | 89% | 89% | 89% | 89% | 89% | - |
*Stable Speed Control
-Brushless motors use feedback control to compare set speed with actual speed and adjust voltage, maintaining stable operation even under changing loads.
In contrast, induction motors without feedback experience speed drops when load increases, making brushless motors better for high speed stability.






*Motor spec——Product type

*Motor spec——Speed
-The relationship between the motor speed and the output shaft speed after passing through the gearhead, with different reduction ratios.
| 200~1500RPM | 67~500 | 56~417 | 40~300 | 33~250 | 27~200 | 22~167 | 20~150 | 16~120 | 13~100 | 11~83 | 10~75 | 8~60 |
| 2000RPM | 667 | 556 | 400 | 334 | 267 | 222 | 200 | 160 | 133 | 111 | 100 | 80 |
| 2500RPM | 833 | 694 | 500 | 417 | 333 | 278 | 250 | 200 | 167 | 139 | 125 | 100 |
| 3000RPM | 1000 | 833 | 600 | 500 | 400 | 333 | 300 | 240 | 200 | 167 | 150 | 120 |
| 200~1500RPM | 7~50 | 6~42 | 4~30 | 3~25 | 3~20 | 2~17 | 2~15 | 2~12.5 | 1.5~10 | 1~8 | 1~7.5 |
| 2000RPM | 67 | 56 | 40 | 33 | 27 | 22 | 20 | 17 | 13 | 11 | 10 |
| 2500RPM | 83 | 69 | 50 | 42 | 33 | 28 | 25 | 21 | 17 | 14 | 13 |
| 3000RPM | 100 | 83 | 60 | 50 | 40 | 33 | 30 | 25 | 20 | 17 | 15 |
| Part Number |
|---|
| EA-BLD5040-24-A-30S |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Square Flange Dim. A (mm) | Rated Output (W) | Voltage Specifications | Voltage (W) |
|---|---|---|---|---|---|---|---|---|
MYR 286.23 | 1 Piece(s) | Available | 21 Day(s) | 90 | 40 | DC Type | 24 |
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* Wide speed range
| 100~2000r/min | 1:20 | |
| Three-phase induction motor controlled by frequency converter | 200~2400r/min | 1:12 |
| AC speed adjustable motor | 50HZ: 90~1400r/min | 1:15 |
* Excellent energy-saving effect
- The permanent magnet steel is used in the rotor part of the brushless motor, which reduces the secondary loss of the rotor and greatly reduces the power consumption. help save the energy of the device.
* Comparison with output of 200W
Rated output 50Hz (Representative value)
* Superior speed stability
- Achieve excellent speed stability within ±0.5% of the load speed variation rate, and even when the load changes,
there will be almost no speed changes caused by load changes such as frequency converters or AC speed governors.
Comparison of speed change at 80% loading rate (Reference value)
*Thin, lightweight, high power
- Brushless motor rotor using permanent magnet steel, so that a thin, light and high-power.
The utility model can meet the miniaturization requirement of the device.
*Significant efficiency gains
- From low speed to high speed, from light load to full load, the average efficiency of AC motor has incomparable advantages.
| Type | Motors |
|---|
Please check the type/dimensions/specifications of the part EA-BLD5040-24-A-30S in the BLDC Standard- Without Gear head series.
| Part Number |
|---|
| EA-BLD2015-36-A-30S |
| EA-BLD2015-48-A-30S |
| EA-BLD2025-110-A-30S |
| EA-BLD5040-36-A-30S |
| EA-BLD5040-48-A-30S |
| EA-BLD5060-110-A-30S |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Square Flange Dim. A (mm) | Rated Output (W) | Voltage Specifications | Voltage (W) |
|---|---|---|---|---|---|---|---|---|
MYR 202.29 | 1 Piece(s) | Available | 21 Day(s) | 60 | 15 | DC Type | 36 | |
MYR 202.29 | 1 Piece(s) | Available | 21 Day(s) | 60 | 15 | DC Type | 48 | |
MYR 214.36 | 1 Piece(s) | Available | 21 Day(s) | 60 | 25 | AC100 Type | 110 | |
MYR 286.23 | 1 Piece(s) | Available | 21 Day(s) | 90 | 40 | DC Type | 36 | |
MYR 286.23 | 1 Piece(s) | Available | 21 Day(s) | 90 | 40 | DC Type | 48 | |
MYR 355.67 | 1 Piece(s) | Available | 21 Day(s) | 90 | 60 | AC100 Type | 110 |
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