CPK / CPSK bevel gearboxes

  • CPK bevel gearbox with smooth shaft

  • CPSK bevel gearbox with replaceable B5 output flange

  • CPSK bevel gearbox with long centering

  • CPK bevel gearbox with elastomer coupling

  • Motor mounting alpha Basic Line Right-angle gearboxes

Geared up to Fit

Economically around the corner. The right-angle gearboxes of the alpha Basic Line are specially designed for applications with medium requirements for positioning accuracy. The extremely compact bevel gear stage enables use in applications with space constraints.

  • Your benefits
  • Technical data
  • Options



Power density


Positioning accuarcy


High input speed


Torsional rigidity


Space-saving design

Ratioi3 - 1003 - 100

Number of sizes


Max. backlash

jt [arcmin]Standard ≤ 13Standard ≤ 15

Torsional rigidity 

Ct21 [Nm/arcmin]0,38 - 531,2 - 15

Max. torque 

T [NM]14 - 70033 - 272

Max. input speed 

n1Max [rpm]50005000

Max. tilting moment 

M2KMax4 - 70417 - 98

Output type


Smooth shaft

Shaft with key  b)
Input type  


Food-grade lubrication a) b)



a) Power reduction: technical data available on request

b) Please contact WITTENSTEIN alpha

Product highlights

High flexibility

Various output variants offer design freedom tailored to individual requirements.

Maximum economy

The gearboxes of the alpha Basic Line are extremely economical to purchase and highly efficient in operation.

High power density

The gearboxes offer high power density in the smallest installation space.

Variable application connection

CPSK planetary gearbox offers reduced installation space and maximum compactness thanks to a long centering as well as flange attachment for B5 mounting.

WITTENSTEIN alpha in all axes

Right-angle gearboxes

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