| (C) Free Outside Diameter: | 0.653 |  | in. |  | (C1) Clearance Diameter When Sprung Into Groove: | 0.670 |  | in. |  (Pg) Theoretical Thrust Load Capacity - Groove Yield: Notes: Yield Strength of Groove Material (Ys): 45,000 psi. Calculated using a safety factor (K) of 2
  Equation: Pg = [ Cf * B * d * Ys * pi ] / K     = [ (0.5) * (0.562 in.) * (0.028 in.) * (45,000 psi) * 3.14 ] / 2 | 555 |  | lbs. |   |  (Pr) Theoretical Thrust Load Capacity - Ring Shear: Notes: Ring Material: Carbon Spring Steel (SAE 1060-1090). Shear Strength of Ring Material (Ss): 150,000 psi. Calculated using a safety factor (K) of 4
  Equation: Pr = [ Cf * B * t * Ss * pi ] / K     = [ (0.5) * (0.562 in.) * (0.035 in.) * (150,000 psi) * 3.14 ] / 4 | 1,158 |  | lbs. |   |  Industry Equivalent Part Number(s): C-56, 1800-56, 2000-56, NH56, 5103-056, 5103-56 |  |  |  
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