NVS worm gearbox

  • NVS worm gearbox with solid shaft
  • NVS worm gearbox with pinion
  • NVS worm gearbox with elastomer coupling ELC
  • Value Linear System with NVS worm gearbox

Economical servo worm

The NVS servo worm gearbox with output shaft is the perfect choice for both cyclic and continuous operation. The gearbox has a constant low backlash over the entire service life and affords consistent high quality with high positioning accuracy.

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WITTENSTEIN - North America - 1249 Humbracht Circle

WITTENSTEIN - North America

1249 Humbracht Circle

Bartlett, IL 60103

  • Technical data
  • Options
Product type NVS
Version MF
Ratio 4 - 400
Number of sizes 3

Max. backlash c)

jt [arcmin]Standard

≤ 6

Max. torqueT2a [Nm]74 - 365
Max. input speedn1Max [rpm]6000

c) In relation to reference sizes

Output shape 
Smooth shaft

Shaft with key d)

Output on both sides
Input shape 


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

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

Product highlights

High performance

The NVS worm gearbox convinces with a high performance in economical standard applications in cyclic and continuous operation.

No stick-slip effect

The stick-slip effect is not an issue in applications with the NVS thanks to the perfected hollow-flank toothing.

High flexibility

In addition to the shaft output shapes, the worm gearboxes are also available in a corrosion-resistant design.

Radial shaft seal

  • Very long service life
  • Optimized for continuous operation

Hollow-flank toothing

  • Medium torsional backlash accuracy over the entire service life
  • High efficiency
  • High power density

Input bearing

  • Bearing package to absorb axial and radial forces
  • Very well suited to high input speeds

Output bearing

High overload capacity to absorb axial and radial forces

Metal bellows coupling

  • Completely backlash free
  • Lifetime durable and maintenance free
  • Easy assembly
  • Protects the motor through thermal linear expansion compensation

WITTENSTEIN alpha in all axes

Right-angle 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.