NTN - Large Bearings
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Single Row Tapered Roller <strong>Bearings</strong><br />
Sa<br />
Sb<br />
Da<br />
db<br />
r1a<br />
ra<br />
da<br />
Db<br />
Equivalent bearing load<br />
dynamic<br />
PrXFrYFa<br />
Fa Fa<br />
e<br />
Fr Fr e<br />
X Y X Y<br />
1 0 0.4 Y2<br />
static<br />
Por0.5FrYoFa<br />
When PorFr use PorFr<br />
For values of e, Y2 and Yo<br />
see the table below.<br />
Abutment and fillet dimensions Load Constant Axial Mass<br />
center<br />
load factors<br />
mm mm kg<br />
d a d b D a D b S a S b r as r 1as<br />
min max max min min min min max max a e Y 2 Y o (approx.)<br />
108.5 107.5 131.5 127.5 135.5 4 5 1.5 1.5 24.5 0.33 1.82 1.00 1.14<br />
108.5 107.5 131.5 127.5 135.5 4 5 1.5 1.5 25 0.35 1.73 0.95 1.08<br />
110 109 141.5 134 144 6 8 2 1.5 32.5 0.46 1.31 0.72 1.91<br />
110 108 141.5 135 143 7 6.5 2 1.5 29.5 0.29 2.09 1.15 2.37<br />
114 116 168 157 168 5 8 2.5 2 36 0.42 1.43 0.79 3.78<br />
114 114 168 154 171 5 10 2.5 2 41.5 0.42 1.43 0.79 5.12<br />
118 127 201 184 200 5 12.5 3 2.5 41.5 0.35 1.74 0.96 8.56<br />
118 127 201 184 200 5 12.5 3 2.5 42 0.35 1.73 0.95 7.72<br />
118 121 201 168 202 7 21.5 3 2.5 69 0.83 0.73 0.40 8.67<br />
118 121 201 177 200 5 17.5 3 2.5 53 0.35 1.74 0.96 12.7<br />
113.5 113.5 136.5 131.5 140.5 5 5 1.5 1.5 25 0.34 1.76 0.97 1.2<br />
117 116 150 143 154 6 9 2 2 34.5 0.44 1.35 0.74 2.42<br />
117 116 150 145 153 7 9 2 2 31 0.28 2.12 1.17 3<br />
119 122 178 165 178 6 9 2.5 2 38 0.42 1.43 0.79 4.39<br />
119 119 178 161 180 6 10 2.5 2 44 0.42 1.43 0.79 6.25<br />
123 132 211 193 209 6 12.5 3 2.5 43.5 0.35 1.74 0.96 9.79<br />
123 132 211 193 209 6 12.5 3 2.5 43.5 0.35 1.73 0.95 8.93<br />
123 126 211 176 211 7 22 3 2.5 71.5 0.83 0.73 0.40 9.68<br />
123 128 211 185 209 6 18.5 3 2.5 55 0.35 1.74 0.96 14.5<br />
118.5 117.5 141.5 137 145.5 5 5 1.5 1.5 26.5 0.36 1.69 0.93 1.23<br />
122 122 160 152 163 7 9 2 2 36.5 0.43 1.39 0.77 3.07<br />
122 121 160 152 161 7 10 2 2 33.5 0.29 2.09 1.15 3.8<br />
124 129 188 174 188 6 9 2.5 2 40 0.42 1.43 0.79 5.18<br />
124 126 188 170 190 6 10 2.5 2 47 0.42 1.43 0.79 7.43<br />
128 141 226 206 222 6 12.5 3 2.5 45.5 0.35 1.74 0.96 11.4<br />
128 141 226 206 222 6 12.5 3 2.5 44 0.35 1.73 0.95 10.5<br />
128 135 226 188 224 7 25 3 2.5 76 0.83 0.73 0.40 11.9<br />
128 135 226 198 222 6 19.5 3 2.5 57.5 0.35 1.74 0.96 18<br />
128 135 226 198 222 6.5 19.5 3 2.5 56 0.35 1.73 0.95 16.9<br />
128.5 128.5 156.5 150 160 6 6 1.5 1.5 29.5 0.35 1.72 0.95 1.77<br />
128.5 130.5 156.5 147.5 159.5 6 6 1.5 1.5 31 0.37 1.60 0.88 1.63<br />
132 131 170 161 173 7 9 2 2 39 0.46 1.31 0.72 3.25<br />
134 140 203 187 203 6 9.5 2.5 2 44 0.44 1.38 0.76 6.23<br />
134 136 203 181 204 6 11.5 2.5 2 51.5 0.44 1.38 0.76 9.08<br />
138 152 246 221 239 6 13.5 3 2.5 49 0.35 1.74 0.96 14.2<br />
138 152 246 221 239 6 13.5 3 2.5 48.5 0.35 1.73 0.95 13.2<br />
B-97
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