Echt-Flex® Coupling
Combination of NES Low Inertia and Straight Hubs
For this model, the low inertia hub and straight hub are combined.
All models are RoHS compliant.
Standard
| Capacity (N·m{kgf·m}) | Bore Diameter Range (mm) |
|---|---|
| 5.0{0.51} to 300{30.6} | Low inertia hub:φ5.0 to φ42 Straight hub:φ6.0 to φ50 |
Features
Low Moment of Inertia
The hub and spacer use light-weight and high-strength extra super duralumin. The unique configuration of the low inertia hub achieves lower moment of inertia.Ideal for high acceleration/deceleration operations such as a servomotor drive.
High Torsional Stiffness
The straight hub boasts high torsional stiffness and provides excellent servomotor responsiveness. Most suitable for precise control.
No Backlash
As all torque is transmitted via friction locking, there is no backlash. Excellent for high-precision positioning.
Easy Installation
Both sides of the hubs are assembled to ensure concentricity. Can be connected with the shaft by simply tightening one clamp bolt on each side.
Environmentally Friendly
This product is compliant with the RoHS directive as well as hazardous chemical substance regulations JIG, PFOS and 15 SVHCs.
Extensive Lineup
Can meet the wide variety of needs with 56 combinations of low inertia and straight hubs, supporting 3252 patterns of different shaft bore diameters.
Structure
Note:
The exploded view above illustrates a combination of straight hubs, and the photo shows a combination of a low inertia hub and a straight hub.
Reference Number System
*Please indicate the smaller bore diameter first.
Standard Shaft Bore Diameter List -Low Inertia Hub (φD1)-
| Size | Standard Shaft Bore Dia. (mm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| NES50 | 5 | 6 | 6.35 | 7 | 8 | 9 | 9.525 | 10 | |||
| NES70 | 8 | 9 | 9.525 | 10 | 11 | 12 | 14 | ||||
| NES100 | 8 | 9 | 9.525 | 10 | 11 | 12 | 14 | 15 | |||
| NES250 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
| NES800 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 | ||
| NES1300 | 19 | 20 | 22 | 24 | 25 | 28 | 30 | 32 | |||
| NES2000 | 25 | 28 | 30 | 32 | 35 | ||||||
| NES3000 | 32 | 35 | 38 | 40 | 42 | ||||||
Standard Shaft Bore Diameter List -Straight Hub (φD2)-
| Size | Standard Shaft Bore Dia. (mm) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NES50 | 6 | 6.35 | 7 | 8 | 9 | 9.525 | 10 | 11 | 12 | 14 | 15 | 16 | ||
| NES70 | 8 | 9 | 9.525 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
| NES100 | 8 | 9 | 9.525 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 |
| NES250 | 10 | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 | 25 | |
| NES800 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 | 25 | 28 | 30 | ||
| NES1300 | 20 | 22 | 24 | 25 | 28 | 30 | 32 | 35 | ||||||
| NES2000 | 25 | 28 | 30 | 32 | 35 | 38 | 40 | 42 | 45 | |||||
| NES3000 | 35 | 38 | 40 | 42 | 45 | 48 | 50 | |||||||
