rushabhcodes/desk-fidget-counter

mechanical/bearing-model.json

{
  "purchased_part": "Maysme 6712ZZ",
  "verified_boundary_mm": {
    "id": 60,
    "od": 75,
    "width": 7
  },
  "approximation": {
    "inner_race_od": 64.0,
    "outer_race_id": 71.0,
    "pitch_diameter": 67.5,
    "ball_diameter": 4.0,
    "ball_count": 44,
    "groove_radius": 2.05,
    "edge_chamfer": 0.3,
    "shield_thickness": 0.2,
    "shield_recess": 0.35,
    "shield_inner_diameter": 64.16,
    "shield_outer_diameter": 71.5,
    "basis": "Maysme 6712ZZ envelope; NSK NB712A 60x75x7 mounting analogue. Internal dimensions are engineering/visual estimates, not Maysme manufacturing data."
  },
  "assembly_object_count": 1,
  "assembly_object_name": "bearing",
  "internal_solid_count": 6,
  "internal_intersections": 0,
  "status": "User-authorized best approximation. Race/shield geometry and ball/cage internals are not manufacturer CAD. All internals are combined into one bearing object in the product assembly."
}