Open Access

Table 2

Main parameters of the FB.

Parameter Value
Outer diameter of outer ring Do 49.08 mm
Ditch bottom diameter of outer ring do 47.28 mm
Radius of groove curvity of outer ring ro 2.60 mm
Inner diameter of outer ring D1 46.82 mm
Width of outer ring Bo 7.2 mm
Inner diameter of inner ring Di 35.58 mm
Ditch bottom diameter of inner ring di 37.74 mm
Radius of groove curvity of inner ring ri 2.48 mm
Outer diameter of inner ring D2 38.21 mm
Width of inner ring Bi 8.1 mm
Diameter of ball Dw 4.77 mm
Number of balls N 5–25
Inertial moment of outer ring section I 0.7875 mm4
Neutral layer radius of outer ring R 23.995 mm
Maximal pre-deformation w0 (positive on the major axis and negative on the minor axis) 0.3 mm
Elastic modulus E 207 Gpa
Poisson's ratio µ 0.3
Radial clearance Pd 0 mm

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