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NTN - Large Bearings

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Double Row Tapered Roller <strong>Bearings</strong> (Outside Direction)<br />

Sb<br />

Db<br />

r1a<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 />

PorFrYoFa<br />

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

see the table below.<br />

Abutment and fillet dimensions Load Constant Axial load factors Mass<br />

center<br />

mm mm kg<br />

d a D b S b r as r las<br />

min min min max max a e Y 1 Y 2 Y o (approx.)<br />

139 197.5 11 2.5 1 101 0.42 1.62 2.42 1.59 14.5<br />

142 186 3 2 0.6 66 0.37 1.80 2.69 1.76 5.55<br />

142 189 6.5 2 0.6 71.5 0.37 1.80 2.69 1.76 6.62<br />

142 196 3.5 2 0.6 69 0.33 2.03 3.02 1.98 7.83<br />

142 198 8 2 0.6 79.5 0.37 1.80 2.69 1.76 9.77<br />

142 191.5 9.5 2 0.6 89 0.34 1.96 2.90 1.90 14.2<br />

142 198 8.5 2 0.6 111 0.46 1.47 2.20 1.40 15.5<br />

144 215.5 10 2.5 1 96 0.43 1.57 2.30 1.50 15<br />

148 218 9.5 3 1 102 0.44 1.55 2.31 1.52 15.9<br />

144 215.5 9.5 2.5 1 101 0.43 1.57 2.30 1.50 15.8<br />

144 220 15 2.5 1 117.5 0.40 1.68 2.50 1.60 23<br />

148 219 13.5 3 1 124 0.44 1.55 2.31 1.52 24.1<br />

144 220 14.5 2.5 1 128 0.44 1.55 2.30 1.50 24.6<br />

152 255 14.5 4 1.5 116 0.35 1.96 2.91 1.91 37.9<br />

148 264 20.5 3 1.5 143 0.35 1.95 2.90 1.90 56.6<br />

152 199 3 2 0.6 68.5 0.37 1.80 2.69 1.76 5.88<br />

152 197 6.5 2 0.6 75 0.37 1.84 2.74 1.80 7.11<br />

152 201.5 6 2 0.6 93 0.35 1.95 2.90 1.91 12.5<br />

154 210 3.5 2.5 1 73.5 0.33 2.03 3.02 1.98 9.18<br />

154 209 8 2.5 1 88 0.37 1.80 2.69 1.76 11.8<br />

154 211 8.5 2.5 1 88 0.37 1.80 2.69 1.76 11.8<br />

152 214 13 2 0.8 108 0.40 1.68 2.50 1.64 15.5<br />

154 216 15 2.5 1 106 0.32 2.12 3.15 2.07 20.5<br />

154 226.5 13 2.5 1.5 124.5 0.44 1.53 2.27 1.49 22.1<br />

158 237 9.5 3 1 106 0.43 1.57 2.34 1.53 18<br />

158 237 9.5 3 1 107 0.44 1.55 2.31 1.52 19.9<br />

158 238 13.5 3 1 131 0.44 1.55 2.31 1.52 30.1<br />

158 249 12.5 3 2.5 104 0.33 2.05 3.05 2.00 27.6<br />

152 264 12.5 2 1 129 0.55 1.24 1.84 1.21 32.5<br />

162 272 14.5 4 1.5 123 0.35 1.95 2.90 1.91 44.4<br />

162 273 14.5 4 1.5 123 0.35 1.96 2.91 1.91 46.6<br />

158 282 22.5 3 1.5 156 0.35 1.95 2.90 1.91 69<br />

164 213 3 2.5 1 73.5 0.37 1.80 2.69 1.76 6.66<br />

164 212 7 2.5 1 79.5 0.37 1.80 2.69 1.76 8.76<br />

164 231 4.5 2.5 1 82.5 0.33 2.03 3.02 1.98 14.3<br />

164 234 10 2.5 1 96.5 0.37 1.80 2.69 1.76 18<br />

B-127

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