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EN-437
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Ring Specs
(D) Free Diameter: 105.41 +0.00 / -2.36 mm.
(t) Thickness: 2.77 +0.05 / -0.05 mm.
(b) Radial Wall: 7.14 +0.13 / -0.13 mm.
Groove Specs:
(B) Application Diameter: 111.1 mm.
(G) Groove Diameter: 106.43 +0.15 / -0.15 mm.
(W) Groove Width: 3.05 +0.13 / -0.00 mm.
Groove Depth: 2.35 mm.
Other Specs
Approximate Weight per 1000:
(GAP) Gap (± 1/16"):15.88mm.
(ND) Notch Depth (+.000 / -.030):3.81mm.
(NW) Notch Width (Ref.):3.18mm.
(Ps) Thrust Load Capacity:76,061N
(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
    = [ (111.13 mm.) * (2.35 mm.) * (310 MPa) * 3.14 ] / 4		63,242N
(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
    = [ (111.13 mm.) * (2.77 mm.) * (1,055 MPa) * 3.14 ] / 3		339,676N
Industry Equivalent Part Number(s):
EN-437