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Ball and Roller Bearings - Ntn-snr.com

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Self-Aligning <strong>Ball</strong> <strong>Bearings</strong><br />

Equivalent bearing load<br />

dynamic<br />

PrXFrYFa<br />

Fa Fa<br />

e<br />

Fr Fr e<br />

X Y X Y<br />

Y1 0.65 Y2<br />

static<br />

PorFrYo Fa<br />

For values of eY1Y2 <strong>and</strong> Yo<br />

see the table below.<br />

Constant Axial load factors Mass<br />

kg<br />

cylindrical bore tapered bore<br />

e Y 1 Y 2 Y o approx.<br />

0.32 2 3.09 2.09 0.033 <br />

0.64 0.98 1.52 1.03 0.047 <br />

0.34 1.85 2.87 1.94 0.058 <br />

0.67 0.95 1.46 0.99 0.083 <br />

0.36 1.76 2.73 1.85 0.04 <br />

0.58 1.09 1.69 1.14 0.051 <br />

0.33 1.91 2.95 2 0.066 <br />

0.61 1.03 1.59 1.08 0.091 <br />

0.33 1.91 2.95 2 0.049 <br />

0.50 1.25 1.94 1.31 0.06 <br />

0.34 1.86 2.88 1.95 0.092 <br />

0.52 1.22 1.88 1.27 0.114 <br />

0.31 2.03 3.14 2.12 0.072 <br />

0.51 1.23 1.90 1.29 0.088 <br />

0.32 1.97 3.06 2.07 0.128 <br />

0.52 1.22 1.88 1.28 0.156 <br />

0.29 2.2 3.4 2.3 0.116 0.114<br />

0.49 1.3 2.01 1.36 0.14 0.137<br />

0.29 2.16 3.34 2.26 0.16 0.158<br />

0.51 1.23 1.9 1.29 0.206 0.201<br />

0.28 2.28 3.53 2.39 0.138 0.135<br />

0.41 1.55 2.39 1.62 0.157 0.153<br />

0.28 2.28 3.53 2.39 0.255 0.251<br />

0.48 1.32 2.05 1.39 0.334 0.326<br />

0.25 2.55 3.94 2.67 0.217 0.213<br />

0.38 1.64 2.53 1.72 0.256 0.25<br />

0.26 2.40 3.72 2.52 0.383 0.377<br />

0.44 1.42 2.2 1.49 0.496 0.485<br />

0.23 2.71 4.2 2.84 0.317 0.312<br />

0.37 1.69 2.61 1.77 0.392 0.382<br />

0.25 2.48 3.84 2.60 0.5 0.492<br />

0.46 1.37 2.13 1.44 0.671 0.653<br />

B-79

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