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NAN-268
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Ring Specs
(D) Free Diameter: 72.54 +1.17 / -0.00 mm.
(t) Thickness: 2.36 +0.05 / -0.05 mm.
(b) Radial Wall: 4.75 +0.13 / -0.13 mm.
Groove Specs:
(B) Application Diameter: 68.3 mm.
(G) Groove Diameter: 71.53 +0.15 / -0.15 mm.
(W) Groove Width: 2.62 +0.13 / -0.00 mm.
Groove Depth: 1.63 mm.
Other Specs
Approximate Weight per 1000:
(Gap Max) Maximum Free Gap:20.62mm.
(Gap Min) Minimum Free Gap:14.27mm.
(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
    = [ (68.28 mm.) * (1.63 mm.) * (310 MPa) * 3.14 ] / 4		27,030N
(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
    = [ (68.28 mm.) * (2.36 mm.) * (1,055 MPa) * 3.14 ] / 3		178,062N
Industry Equivalent Part Number(s):
NAN-268