NPL planetary gearbox

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

Individual Talents

The NPL’s reinforced bearing and B14 output geometry are the highlights of this planetary gearbox. As a member of the alpha Value Line, this product is also unbeatably efficient in operation.

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.

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WITTENSTEIN alpha GmbH - Walter-Wittenstein-Str. 1


Walter-Wittenstein-Str. 1

97999 Igersheim (Germany)

  • Technical data
  • Options
Product type NPL
Version MF / MA
Ratio c) 3 - 100
Number of sizes 4

Max. backlash c)

jt [arcmin]Standard

≤ 8

Max. torqueT2a [Nm]51 - 800
Max. input speedn1Max [rpm]8000

c) In relation to reference sizes

Output shape 
Smooth shaft

Shaft with key d)

Splined shaft (DIN 5480)
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 as well as keyed shaft 
  • Reinforced bearing with B14-output geometry
  • Higher external forces possible with NPL, NPS, and NPR

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.