{
 "object": "tri-clamp-rolling-diaphragm-head-2in",
 "license": "CC BY 4.0, Xem Studio",
 "files": [
  {
   "name": "rd-power-head-2in",
   "step": "/files/hardware/tri-clamp-rolling-diaphragm-head-2in/rd-power-head-2in.step",
   "stl": "/files/hardware/tri-clamp-rolling-diaphragm-head-2in/rd-power-head-2in.stl",
   "note": "2 in rolling-diaphragm power head: standard ISO 2852 2 in clamp face (flat from Ø47.5 to Ø64 with the gasket groove on Ø56.5, rim 2.85, 20° back cone; face plane 0.85 from the clamp plane), a 1.6 seat pocket inside Ø47.5, Ø38.10 bore from the pocket floor to 49, floor 6 with 4 × Ø6 vents, Ø16 boss with an Ø8 × 24 seat for two 5 × 8 × 12 bushings, crank tower with two Ø16 × 5 bearing pockets on the shaft axis 188 above the clamp plane"
  },
  {
   "name": "rd-seat-ring-2in",
   "step": "/files/hardware/tri-clamp-rolling-diaphragm-head-2in/rd-seat-ring-2in.step",
   "stl": "/files/hardware/tri-clamp-rolling-diaphragm-head-2in/rd-seat-ring-2in.stl",
   "note": "diaphragm seat ring: Ø63.5 × 1.19 between the flange and the head's face, 2.79 thick inside Ø47.5 (fills the head's 1.6 seat pocket), bore Ø38.10 with the 1/16 in mouth radius"
  }
 ]
}