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NTN - Large Bearings

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Spherical Roller <strong>Bearings</strong><br />

ra<br />

Da<br />

ra<br />

da<br />

Equivalent bearing load<br />

dynamic<br />

PrXFrYFa<br />

Fa<br />

Fr<br />

e<br />

Fa<br />

e Fr<br />

X Y X Y<br />

1 Y1 0.67 Y2<br />

static<br />

PorFrYo Fa<br />

For values of e, Y1, Y2 and Yo<br />

see the table below.<br />

Constant Axial load factors Mass (approx.)<br />

kg<br />

Cylindrical tapered<br />

e Y 1 Y 2 Y o bore bore<br />

0.36 1.89 2.82 1.85 380 369<br />

0.36 1.89 2.82 1.85 382 370<br />

0.15 4.41 6.57 4.31 47.3 45.7<br />

0.18 3.76 5.59 3.67 45.3 44.5<br />

0.18 3.71 5.53 3.63 73 70.7<br />

0.24 2.80 4.16 2.73 149 144<br />

0.32 2.09 3.11 2.04 202 200<br />

0.31 2.21 3.28 2.16 264 256<br />

0.38 1.77 2.63 1.73 329 324<br />

0.37 1.81 2.69 1.77 457 443<br />

0.37 1.81 2.69 1.77 457 443<br />

0.12 5.42 8.08 5.30 34.8 33.6<br />

0.17 3.95 5.88 3.86 76.2 73.8<br />

0.24 2.85 4.24 2.78 157 152<br />

0.32 2.13 3.18 2.09 210 207<br />

0.32 2.11 3.15 2.07 354 343<br />

0.40 1.69 2.51 1.65 440 433<br />

0.36 1.86 2.77 1.82 544 528<br />

0.18 3.66 5.46 3.58 101 98<br />

0.24 2.85 4.24 2.78 181 175<br />

0.32 2.11 3.15 2.07 245 241<br />

0.31 2.15 3.21 2.11 370 358<br />

0.39 1.75 2.61 1.71 456 449<br />

0.36 1.88 2.80 1.84 600 582<br />

0.36 1.88 2.80 1.84 595 576<br />

0.27 2.49 3.71 2.43 166 157<br />

0.18 3.76 5.59 3.67 73.6 72.3<br />

0.17 3.95 5.88 3.86 107 104<br />

0.21 3.22 4.80 3.15 122 118<br />

0.23 2.88 4.29 2.82 206 200<br />

0.31 2.15 3.21 2.11 276 272<br />

0.31 2.14 3.19 2.10 443 429<br />

0.39 1.71 2.55 1.67 550 541<br />

B-217

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