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RR-068
Display Units: inches  |  metric
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Ring Specs
(D) Free Diameter: 18.29 +0.33 / -0.00 mm.
(t) Thickness: 0.64 +0.05 / -0.05 mm.
(b) Radial Wall: 1.14 +0.08 / -0.13 mm.
Groove Specs:
(B) Application Diameter: 17.4 mm.
(G) Groove Diameter: 18.11 +0.05 / -0.05 mm.
(W) Groove Width: 0.76 +0.08 / -0.00 mm.
Groove Depth: 0.33 mm.
Other Specs
Approximate Weight per 1000:
(m) Material Thickness:0.30mm.
(N) Ring Number of Turns:2.000
(Pg) Theoretical Thrust Load Capacity - Groove Yield:
Notes: Yield Strength of Groove Material (Ys): 310 MPa. Calculated using a safety factor (K) of 2

Equation:
Pg = [ B * d * Ys * pi ] / K
    = [ (17.45 mm.) * (0.33 mm.) * (310 MPa) * 3.14 ] / 2		2,802N
(Pr) Theoretical Thrust Load Capacity - Ring Shear:
Notes: Ring Material: Carbon Spring Steel (SAE 1070-1090). Shear Strength of Ring Material (Ss): 1,055 MPa. Calculated using a safety factor (K) of 3

Equation:
Pr = [ B * t * Ss * pi ] / K
    = [ (17.45 mm.) * (0.64 mm.) * (1,055 MPa) * 3.14 ] / 3		12,232N
Industry Equivalent Part Number(s):
RR-068, KM-68, WH-68, RR-68