Product Description
Product Description
The NDR090 series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The ND series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: NDR090 Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 4 to 200
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
High torque
High load
Ultra-precision
Small size
Space saving
Detailed Photos
Product Parameters
| Segment number | Double segment | ||||||||
| Ratio | i | 25 | 35 | 40 | 50 | 70 | 100 | 140 | 200 |
| Rated output torque | Nm | 150 | 130 | 120 | 150 | 130 | 95 | 130 | 95 |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||
| Rated input speed | Rpm | 4000 | |||||||
| Max input speed | Rpm | 8000 | |||||||
| Ultraprecise backlash | arcmin | ≤4 | |||||||
| Precision backlash | arcmin | ≤7 | |||||||
| Standard backlash | arcmin | ≤9 | |||||||
| Torsional rigidity | Nm/arcmin | 31 | |||||||
| Max.bending moment | Nm | 235 | |||||||
| Max.axial force | N | 2850 | |||||||
| Service life | hr | 30000(15000 under continuous operation) | |||||||
| Efficiency | % | ≥92% | |||||||
| Weight | kg | 4.5 | |||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||
| Lubrication | Synthetic grease | ||||||||
| Protection class | IP64 | ||||||||
| Mounting Position | All directions | ||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤65 | |||||||
| Rotary inertia | Kg·cm² | 0.35 | 0.31 | ||||||
Applicable Industries
Packaging Machinery Mechanical Hand Textile Machinery
Non Standard automation Machine Tool Printing Equipment
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Plantery Gearbox |
| Hardness: | Hardened Tooth Surface |
| Installation: | All Directions |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|

Upgrading Your Mower Gearbox for Improved Performance
If you’re looking to enhance the performance of your mower, upgrading the gearbox can be a viable option. Here’s what you should consider:
- Compatibility: Ensure that the upgraded gearbox is compatible with your mower’s make and model. Check for compatibility in terms of mounting, gear ratios, and power requirements.
- Performance Requirements: Identify the specific performance improvements you’re seeking. Whether it’s increased cutting power, improved speed, or better torque, choose a gearbox that aligns with your goals.
- Quality: Opt for a high-quality gearbox from reputable manufacturers. A superior gearbox will not only provide better performance but also greater durability and longevity.
- Professional Installation: Upgrading a gearbox might require technical expertise. Consider seeking professional assistance to ensure proper installation and integration with your mower.
- Cost-Benefit Analysis: Assess the cost of the upgrade against the expected performance gains. A well-calculated decision will help you determine if the upgrade is worth the investment.
- Warranty and Support: Choose an upgraded gearbox that comes with a warranty and reliable customer support. This provides peace of mind in case any issues arise after installation.
- Maintenance Considerations: Understand the maintenance requirements of the upgraded gearbox. Regular maintenance is essential to maintain its performance and longevity.
Upgrading your mower gearbox can indeed lead to improved performance, but it’s important to carefully research and choose the right gearbox for your specific needs. Consulting with experts and considering all factors can help you make an informed decision.

Lifespan of a Typical Mower Gearbox
The lifespan of a mower gearbox can vary depending on several factors, including the quality of the gearbox, maintenance practices, usage frequency, and operating conditions. On average, a well-maintained and high-quality mower gearbox can last between 5 to 10 years or even more.
Regular maintenance, such as checking and maintaining the oil level, cleaning and lubricating components, and addressing any issues promptly, can significantly extend the lifespan of a mower gearbox. Quality components, proper usage, and adherence to manufacturer guidelines also play a crucial role in determining how long a mower gearbox will last.
If you start noticing signs of wear, performance issues, or unusual noises from the gearbox, it’s important to address them promptly to prevent further damage and potentially extend the gearbox’s lifespan.

Type of Oil for Mower Gearbox
Choosing the right oil for your mower gearbox is essential for optimal performance and longevity. The specific type of oil you should use depends on the manufacturer’s recommendations and the design of your mower gearbox. Here are the key factors to consider:
- Manufacturer’s Guidelines: Always refer to the manufacturer’s manual or guidelines for the recommended type and viscosity of oil to use in your mower gearbox.
- Viscosity: The viscosity of the oil determines its thickness and ability to flow. Mower gearboxes typically require oils with specific viscosity ratings, such as SAE 80W-90 or SAE 90. These oils provide the right balance of lubrication and protection.
- Extreme Pressure (EP) Properties: Mower gearboxes experience high loads and pressures. Choose an oil labeled as “Extreme Pressure” (EP) as it contains additives that provide extra protection under heavy loads and prevent wear.
- Synthetic vs. Conventional: Synthetic oils offer enhanced performance and stability over a wide range of temperatures. They also provide better protection against heat and oxidation. However, consult the manufacturer’s guidelines to ensure compatibility.
- Usage Conditions: Consider the operating conditions of your mower. If you frequently mow in hot weather or under heavy loads, opt for an oil that can handle these conditions without breaking down.
- Quality: Choose high-quality oils from reputable brands to ensure consistent performance and protection for your mower gearbox.
- Oil Change Intervals: Follow the recommended oil change intervals specified by the manufacturer. Regular oil changes help maintain optimal lubrication and prevent excessive wear.
- Compatibility: Ensure that the oil you choose is compatible with any seals, gaskets, and materials used in your mower gearbox.
Ultimately, using the correct type of oil in your mower gearbox will help maintain smooth operation, reduce friction, and extend the lifespan of the gearbox components.


editor by CX 2023-11-30