Table 3 Basic parameters of bearings.

Rolling diameter \({D_{\text{w}}}\)/mm

15.5

Number of rolling elements Z

12

Distance between the center of the rolling body \({L_{{\text{bc}}}}\)/mm

23.5

Initial contact Angle \({\alpha _0}\)/°

40

Coefficient of radius of curvature of inner groove \({f_{\text{i}}}\)

0.515

Coefficient of the radius of curvature of the outer groove\({f_{\text{e}}}\)

0.515

Pitch diameter \({D_{\text{m}}}\)/mm

65