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The equivalent dynamic bearing load can be determined as follows:

For single bearings and bearings arranged in tandem

Perform calculation

For bearing pairs, arranged back-to-back or face-to-face

Perform calculation

The values for the factors e, X2, Y1 and Y2 depend on the bearing contact angle and are listed for:
• single bearings and bearings arranged in tandem (table 1)
• bearings paired back-to-back and face-to-face (table 2)

For bearings with a 15° contact angle, the factors e, Y1 and Y2 depend on the relationship f0 Fa/C0

where

 P = equivalent dynamic load on the bearing set [kN] Fr = radial load acting on the bearing set [kN] Fa = axial load acting on the bearing set [kN] f0 = calculation factor (→ product table) C0 = basic static load rating [kN] (→ product table)