Tests and certifications

Upon request the following certifications can be supplied:

A graph illustrating pitch deviation is provided by means of a laser measuring device and compared with the values of the specified accuracy class.

Preload (without application of any other forces) may be of traction or compressive type according to customer’s specifications or may be defined on the basis of the required application. BB will supply preload torque certificates.

Customers are supplied with a document indicating elastic deformation values under the effect of determined axial loads.