NTN - Large Bearings

Double Row Tapered Roller Bearings (Outside Direction)
Db
r1a
ra
da
Equivalent bearing load
dynamic
PrXFrYFa
Fa
Fr
e
Fa
e Fr
X Y X Y
1 Y1 0.67 Y2
static
PorFrYoFa
For values of e, Y2 and Yo
see the table below.
Abutment and fillet dimensions Load
center
Constant Axial load factors Mass
mm mm kg
d a D b r as r las
min max max max a e Y 1 Y 2 Y o (approx.)
180 285 9.7 2.3 149.5 0.33 2.07 3.08 2.02 65.9
189 275 9.7 2.3 143.5 0.33 2.07 3.08 2.02 62.6
191 285 9.7 2.3 149.5 0.33 2.07 3.08 2.02 62.6
192 271 7 1.5 119.5 0.32 2.12 3.15 2.07 36.1
197 272 7 1.5 141 0.47 1.44 2.15 1.41 35.1
195 271 7 1.5 119.5 0.32 2.12 3.15 2.07 35.1
204 272 7 1.5 141 0.47 1.44 2.15 1.41 33.1
202 271 7 1.5 119.5 0.32 2.12 3.15 2.07 33.1
207 272 7 1.5 141 0.47 1.44 2.15 1.41 32.4
205 271 7 1.5 119.5 0.32 2.12 3.15 2.07 32.4
204 298 3.5 1.5 152.5 0.40 1.68 2.50 1.64 57.8
202 301 3.5 1.5 141 0.32 2.12 3.15 2.07 57.8
207 267 3.5 1.5 115.5 0.42 1.62 2.42 1.59 21.1
214 301 5.5 1.5 141 0.32 2.12 3.15 2.07 55
209 267 3.5 1.5 115.5 0.42 1.62 2.42 1.59 20.6
218 300 4.3 1.5 162 0.52 1.29 1.92 1.26 41.2
227 334.4 6.4 1.5 163 0.40 1.68 2.50 1.64 84.1
211 267 3.5 1.5 115.5 0.42 1.62 2.42 1.59 20
219 279 3.5 1.5 116 0.33 2.03 3.02 1.98 24.8
225 300 4.3 1.5 162 0.52 1.29 1.92 1.26 38.8
241 362 6.4 1.5 182 0.33 2.03 3.02 1.98 112
220 267 3.5 0.8 95 0.32 2.12 3.15 2.07 13.8
222 275 3.5 0.8 133.5 0.51 1.33 1.97 1.30 17.1
221 279 3.5 1.5 116 0.33 2.03 3.02 1.98 24.1
227 300 4.3 1.5 162 0.52 1.29 1.92 1.26 37.1
230 334.4 3.3 1.5 163 0.40 1.68 2.50 1.64 79.9
246 374 6.4 3.3 252.5 0.80 0.85 1.26 0.83 107
223 279 3.5 1.5 116 0.33 2.03 3.02 1.98 23.8
B-141