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EN-231
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Ring Specs
(D) Free Diameter: 54.81 +0.00 / -1.52 mm.
(t) Thickness: 1.98 +0.05 / -0.05 mm.
(b) Radial Wall: 5.16 +0.13 / -0.13 mm.
Groove Specs:
(B) Application Diameter: 58.7 mm.
(G) Groove Diameter: 55.32 +0.15 / -0.15 mm.
(W) Groove Width: 2.18 +0.13 / -0.00 mm.
Groove Depth: 1.70 mm.
Other Specs
Approximate Weight per 1000:
(GAP) Gap (± 1/16"):9.53mm.
(ND) Notch Depth (+.000 / -.030):2.54mm.
(NW) Notch Width (Ref.):3.18mm.
(Ps) Thrust Load Capacity:29,268N
(Pg) Theoretical Thrust Load Capacity - Groove Yield:
Notes: Yield Strength of Groove Material (Ys): 310 MPa. Calculated using a safety factor (K) of 4

Equation:
Pg = [ B * d * Ys * pi ] / K
    = [ (58.72 mm.) * (1.70 mm.) * (310 MPa) * 3.14 ] / 4		24,335N
(Pr) Theoretical Thrust Load Capacity - Ring Shear:
Notes: Ring Material: Carbon Spring Steel (SAE 1060-1095). Shear Strength of Ring Material (Ss): 1,055 MPa. Calculated using a safety factor (K) of 3

Equation:
Pr = [ B * t * Ss * pi ] / K
    = [ (58.72 mm.) * (1.98 mm.) * (1,055 MPa) * 3.14 ] / 3		128,454N
Industry Equivalent Part Number(s):
EN-231