Product Overview: Oriental Motor 4GN150K Gearhead
The 4GN150K is a high-precision parallel shaft gearhead from Oriental Motor’s world-standard GN series. Specifically designed to be used in conjunction with GN-type AC induction motors and reversible motors, this component is essential for industrial applications requiring a significant reduction in output speed and a substantial multiplication of available torque. With a reduction ratio of 150:1, the 4GN150K is a cornerstone for heavy-duty material handling, labeling equipment, and precision conveyor systems.
High Torque Multiplication and Durability
Constructed with high-strength alloy steel gears and precision ball bearings, the 4GN150K is engineered for longevity and quiet operation. The internal gears are grease-packed for a «fit and forget» lifetime of service, eliminating the need for periodic lubrication. Its compact 80mm (3.15 in.) frame size allows for seamless integration into existing machine designs where space is limited but high torque capacity is mandatory. This model is recognized for its minimal backlash and high mechanical efficiency, ensuring that the motor’s power is transferred to the load with minimal loss.
Key Technical Characteristics
- Part Number: 4GN150K.
- Gear Ratio: 150:1.
- Frame Size: 80 mm (3.15 in.).
- Shaft Type: Parallel Shaft.
- Bearing Type: High-load ball bearings.
- Compatibility: 4GN series AC motors.
- Lubrication: Lifetime grease lubrication.
- Output Shaft Diameter: 10 mm.
System Integration and Mounting
The 4GN150K features a standard 4-bolt mounting pattern, making it a direct replacement for many legacy industrial gearheads. When paired with a 25W or 40W Oriental Motor, this gearhead provides stable performance even under fluctuating load conditions. For optimal performance, it is recommended to ensure the motor-gearhead assembly is correctly aligned to prevent axial stress on the output shaft.
| Feature | Specification |
| Permissible Torque | 8.0 N·m (Heavy Duty) |
| Mass | 0.65 kg |
| Rotation Direction | Same as motor (depending on ratio) |
Frequently Asked Questions
Is the output shaft keyed? Yes, the 4GN150K includes a standardized keyway for secure coupling. Can it be used for vertical loads? Yes, provided the permissible axial and radial load limits are not exceeded.
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