{
  "review_date": "2026-10-03",
  "source_url": "https://doi.org/10.1155/2009/471804",
  "source_geometry_reference": "Section 5, printed/PDF p.13",
  "published_target_reference": "Section 5.1 discussion of Figure 12, printed/PDF p.17",
  "published_axial_deflection_m": 3.6011095400455e-05,
  "solver_version": "Bearing Swift 0.2 · Harris & Kotzalas, Advanced Concepts of Bearing Technology (5th ed.)",
  "analysis_mode": "staticContact",
  "status": "Centered-thrust research comparison; not eccentric-bearing or life/thermal qualification",
  "source_material": {
    "youngs_modulus_pa": 207500000000.0,
    "poisson_ratio": 0.3
  },
  "active_legacy_material": {
    "youngs_modulus_pa": 209618449141.50226,
    "poisson_ratio": 0.29597333470826115
  },
  "independent_source_equations": {
    "axial_deflection_m": 3.601109540045526e-05,
    "contact_angle_degrees": 41.4179862271616,
    "normal_load_per_ball_n": 1681.6635615070204,
    "inner_contact": {
      "semimajor_m": 0.0020699014800717097,
      "semiminor_m": 0.00025410899389606627,
      "normal_deflection_m": 1.18852986717368e-05,
      "peak_pressure_pa": 1526549138.7124841,
      "ellipse_ratio": 8.145723015684856
    },
    "outer_contact": {
      "semimajor_m": 0.002025827993682138,
      "semiminor_m": 0.0002930133061813575,
      "normal_deflection_m": 1.1583673158318596e-05,
      "peak_pressure_pa": 1352666048.2723145,
      "ellipse_ratio": 6.913774736319562
    },
    "definition": "Independent static e=0 source-equation calculation, not a digitized graph target"
  },
  "computed": {
    "axial_deflection_m": 3.577801190572022e-05,
    "inner_angle_degrees": 41.40604440089931,
    "outer_angle_degrees": 41.41689970385743,
    "normal_inner_load_per_ball_n": 1692.7532498427897,
    "axial_reaction_n": 17913.14795779426,
    "reaction_relative_offset": 0.006356626842374036,
    "speed_displacement_relative_sensitivity_6_vs_60rpm": 8.463322465068757e-08,
    "axial_deflection_relative_difference": -0.006472546645494126
  },
  "checks": {
    "source_equation_relative_limit": 1e-08,
    "quadrature_refinement_relative_limit": 1e-08,
    "reaction_projection_relative_limit": 1e-06,
    "legacy_reaction_review_limit": 0.01,
    "speed_sensitivity_review_limit": 0.001,
    "circular_hertz_limit_passed": true
  },
  "limits": "The independent equations match the published centered-thrust scalar. The CLI uses different steel constants and retains its actual/requested force offset. No graph digitization, eccentric-moment agreement or life/thermal validation is claimed.",
  "input_filename": "ricci-centered-thrust-17800.bearing",
  "input_sha256": "80dfb801ed8542d6060b791b38fb56df6df36aeecd0700f2f6bd496e70e53152"
}