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M1800-055
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Ring Specs
(D) Free Diameter: 1.909 +0.015 / -0.015 in.
(t) Thickness: 0.079 +0.000 / -0.003 in.
(b) Radial Wall:
Groove Specs:
(B) Application Diameter: 2.165 in.
(G) Groove Diameter: 1.969 +0.000 / -0.010 in.
(W) Groove Width: 0.085 +0.004 / -0.000 in.
Groove Depth: 0.098 in.
Other Specs
Approximate Weight per 1000: 22.880 lbs.
(C) Free Outside Diameter:2.421in.
(C1) Outside Diameter when Sprung Into Groove:2.480in.
(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) * (2.165 in.) * (0.098 in.) * (45,000 psi) * 3.14 ] / 2		7,494lbs.
(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) * (2.165 in.) * (0.079 in.) * (150,000 psi) * 3.14 ] / 4		10,069lbs.
Industry Equivalent Part Number(s):
M1800-055, M1800-55