NP planetary gearbox

  • NP – Planetary gearbox with LP+ output geometry
  • Motor mounting alpha Value Line Planetary and right-angle gearboxes

Individual Talents

The alpha Value Line is universally suitable and represents the most economical solution whatever the requirements. For example, the NP planetary gearbox is ideal for all mid-range applications requiring an output shaft.

Customized solutions

We will develop a solution for you that is tailored to your drive needs. You will benefit from our years of experience, our highly skilled staff and our services. Please contact us.

Contact form

WITTENSTEIN alpha GmbH - Walter-Wittenstein-Str. 1


Walter-Wittenstein-Str. 1

97999 Igersheim (Germany)

  • Technical data
  • Options
Product type NP
Version MF / MA
Ratio c) 3 - 100
Number of sizes 5

Max. backlash c)

jt [arcmin]Standard

≤ 8

Max. torqueT2a [Nm]18 - 800
Max. input speedn1Max [rpm]10000

c) In relation to reference sizes

Output shape 
Smooth shaft

Shaft with key d)

Input shape 


Food-grade lubrication a) b)
System solutions 
Linear system (rack / pinion)
Accessory (please refer to the product pages for further information) 

a) Performance reduction: Technical data available on request

b) Please contact WITTENSTEIN alpha

d) Performance reduction: Please use our sizing software cymex® for a detailed sizing

Product highlights

Two-piece clamping hub system of the high-end segment

  • Labeled with the tightening torques for secure, fast motor mounting
  • Guarantees best synchronization properties

Output shape

Available with smooth shaft

High ratio variation

  • Large number of ratios (i=3 to i=100)
  • Available in the common binary ratios

Differentiated power density

The HIGH TORQUE version permits an even higher torque density for sizes 015 – 035

WITTENSTEIN alpha in all axes

Low backlash planetary gearboxes

WITTENSTEIN alpha develops complete, single-supplier solutions for any driving axis. They can be used in virtually any application – from high-precision axes in manufacturing systems to packaging machinery where maximum productivity is required. 
The name WITTENSTEIN alpha is a byword for premium quality and reliability, high precision and synchronization accuracy, highest power density, a long lifetime and very simple motor mounting.