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NARA Precision Planetary Gearheads for Servo Motors
- Quiet helical gearing
- High rigidity: teeth cut directly into the ring gear body
- High precision: backlash classes P1 / P2 / P3
- NARA (Korea) products – supplied and quoted by FEYANA
NARA precision planetary gearheads for servo motors: high torque, low backlash, quiet running and long life. Inline P Series (NP, NF, NX) and right-angle R Series (NPR, NFR).
FEYANA supplies products of NARA Autosys (Korea), a power-transmission manufacturer founded in 1977 in Busan and certified to ISO 9001, ISO 14001 and ISO 45001.
Product range
| Series / model | Description |
|---|---|
| P Series – NP | Inline, square flange, solid shaft, helical gears; sizes 042 – 220 |
| P Series – NF | Round output flange mounting; sizes 047 – 255 |
| P Series – NX | Square tapped flange, solid shaft, enlarged input bore; sizes 052 – 125 |
| R Series – NPR / NFR | Right-angle with bevel gears, compact; NPR square flange, NFR round flange |
| S / H Series (NRS / NRH) | Cycloidal reducers, solid / hollow shaft – under development |
Key features
- Quiet helical gearing
- High rigidity: teeth cut directly into the ring gear body
- High precision: backlash classes P1 / P2 / P3
- Long life without separate maintenance; grease lubricated, any mounting position
- Easy servo motor mounting with clamping collar and bushing
Main specifications
| Item | Specification |
|---|---|
| NP ratios | 1-stage 3 – 10; 2-stage 15 – 100 (NPR / NFR up to 200) |
| Rated output torque (NP) | approx. 8.4 Nm (NP042) to 1,200 Nm (NP220) |
| NP backlash (arcmin) | P1 ≤3 / ≤5; P2 ≤5 / ≤7; P3 ≤8 / ≤10 (1 / 2 stage) |
| Input speed | nominal 3,000 rpm; max 4,000 – 6,000 rpm by size |
| Efficiency | ≥95% (1-stage), ≥90% (2-stage) |
| Life, protection | 20,000 h; IP54 (IP65 option); -15 to +40 °C |
Applications
- Servo motor drives in factory automation (FA) machinery and lines
Selection & quotation
Data summarised from NARA documentation and subject to change by the manufacturer. Send FEYANA your power, torque, speed, mounting and duty conditions for a model recommendation. Price: on request.
Model selection & quotation: Zalo/Hotline +84 988 641 591 · WhatsApp +84 988 641 591 · Email sales.00@feyana.com
FAQ
Who is NARA Autosys?
NARA Autosys is a Korean power-transmission manufacturer founded in 1977 in Busan, certified to ISO 9001, ISO 14001 and ISO 45001.
What data is needed to select the NARA Precision Planetary Gearheads for Servo Motors?
Power or torque, speed, connection and mounting, application and duty conditions.
What is the price?
Quoted by model and configuration: sales.00@feyana.com or WhatsApp +84 988 641 591.
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