Factor of Tooth Influence fd1 on Bearings

Influence of a gear drive to increasing the radial force (the factor of additional forces originated from inaccuracy of teeth):

Type of gear wheel

f d1

Precision gear wheels (pitch and shape deviations up to 0.02)

1.05 - 1.1

Common gear wheel (pitch and shape deviations 0.02 - 0.1)

1.1 - 1.3