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5144-012

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Ring Specs

(D) Free Diameter: 2.36 +0.03 / -0.08 mm.
(t) Thickness: 0.38 +0.05 / -0.05 mm.
(b) Radial Wall:
Groove Specs:

(B) Application Diameter: 3.2 mm.
(G) Groove Diameter: 2.41 +0.05 / -0.00 mm.
(W) Groove Width: 0.46 +0.05 / -0.00 mm.
Groove Depth: 0.38 mm.
Other Specs

Approximate Weight per 1000: 0.059 kg.
(C) Free Outside Diameter:6.86mm.
(C1) Clearance Diameter when Sprung into Groove:7.19mm.
(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 = [ Cf * B * d * Ys * pi ] / K
    = [ (0.25) * (3.18 mm.) * (0.38 mm.) * (310 MPa) * 3.14 ] / 2
147N
(Pr) Theoretical Thrust Load Capacity - Ring Shear:
Notes: Ring Material: Carbon Spring Steel (SAE 1060-1090). Shear Strength of Ring Material (Ss): 690 MPa. Calculated using a safety factor (K) of 3

Equation:
Pr = [ Cf * B * t * Ss * pi ] / K
    = [ (0.25) * (3.18 mm.) * (0.38 mm.) * (690 MPa) * 3.14 ] / 3
218N
Industry Equivalent Part Number(s):
5144-012, NRH12, 1200-12, 1540-12, RE-12, 5144-12