Wittenstein NP Servo Gearbox 4:1 ratio, 14mm mounting hub, keyed shaft

Wittenstein NP 4:1 In-Line Planetary Standard Servo Gear Unit with input adapter to suit a motor flange to be specified with order (subject to approval).

PLEASE PROVIDE THE FULL PART NUMBER OF THE MOTOR TO BE USED WITH THIS GEARBOX AT POINT OF ORDERING.

Gearbox data

Gearbox type: NP
Gearbox size: 015
Gearbox model: HIGH TORQUE
Gearbox backlash: Standard
Gearbox stages: 1
Gearbox ratio i: 4:1
Output Shaft Dimensions: 16mm Diameter by 28mm long
Key: 25mm by 5mm
Input Clamping hub diameter: 14 mm
Overall Size: 70mm by 70mm by 127.9mm
Weight incl. standard adapter plate: 1.9 kg

Technical specifications

Max. output torque (Depending on the specific boundary conditions of the application): 67 Nm
Max. acceleration torque (max. 1000 cycles per hour): 41 Nm
Nominal output torque: 22 Nm
Emergency stop torque (permitted 1000 times during the service life of the gearbox): 80 Nm
Nominal input speed: 3500 rpm
Max. input speed: 8000 rpm 
Mean no load running torque: 0.2 Nm
Max. torsional backlash: ≤ 8 arcmin
Torsional rigidity: 4 Nm/arcmin
Tilting rigidity: 17 Nm/arcmin
Max. axial force: 1550 N
Max. radial force: 1700 N
Max. tilting moment: 72 Nm
Efficiency at full load: 97 %
Service life: > 20,000 hours
Operating noise: ≤ 63 dB(A)
Max. permitted housing temperature: 90 °C
Ambient temperature: -15 °C to 40 °C
Lubrication: lubricated for life
Paint: Dark pearl gray / innovation blue
Protection class: IP64
Inertia: 0.27 kgcm2

Part Number:  NP015S-MA1-4-1C1-1S

Download the Wittenstein NP Manual, Drawings and Datasheet from the links below:-