NTN - Large Bearings

Double Row Tapered Roller Bearings (Inside Direction)
Sa
Da
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.
Bearing numbers Abutment and Load 1 Constant Axial load factors Mass
fillet dimensions center
mm mm kg
d a D a r as r las
min min max max a e Y 1 Y 2 Y o (approx.)
T-450900D/451212+A 187.5 269 9.7 6.8 –40.5 0.33 2.07 3.08 2.02 60.5
T-94706D/94113+A 195 259 1.5 3.3 1.5 0.47 1.44 2.15 1.41 31.6
T-HM237546D/HM237510+A 194 266 1.5 3.3 –20 0.32 2.12 3.15 2.07 31.6
T-H239649D/H239610+A 209 293 3.3 4.8 –35 0.32 2.12 3.15 2.07 53.7
T-EE420750D/421437+A 221 329 3.3 3.3 –5.5 0.40 1.68 2.50 1.64 72.8
T-93800D/93125+A 222 286 1.5 3.3 19 0.52 1.29 1.92 1.26 36.3
T-EE420800D/421437+A 230 329 3.3 3.3 –5.5 0.40 1.68 2.50 1.64 69.0
T-H242649D/H242610+A 227 306 1.5 3.3 –35 0.33 2.03 3.02 1.98 64.1
T-LM742749D/LM742710+A 229 266 2.3 3.3 35 0.48 1.40 2.09 1.37 14.8
H244849D/H244810A+A 242 323 1.5 6.4 –42 0.33 2.03 3.02 1.98 79.5
T-M244249D/M244210+A 235 293 1.5 3.3 –97 0.33 2.03 3.02 1.98 28.6
EE529091D/529157+A 256 367 3.3 3.3 –8 0.31 2.18 3.24 2.13 74.2
EE127097D/127135+A 258 325 1.5 3.3 12.5 0.35 1.91 2.85 1.87 33.8
LM247748D/LM247710A+A 257 310 1.5 3.3 12.5 0.32 2.09 3.11 2.04 21.4
EE126096D/126150+A 269 343 3.3 4.8 28.5 0.52 1.31 1.95 1.28 61.4
HH249949D/HH249910+A 278 366 3.3 6.4 –42 0.33 2.03 3.02 1.98 112
T-M249748D/M249710+A 273 335 3.3 3.3 –1 0.33 2.03 3.02 1.98 41.2
EE170975D/171450+A 269 340 1.5 3.3 20 0.36 1.85 2.76 1.81 32.5
EE221025D/221575+A 290 366 6.4 6.4 24.5 0.39 1.71 2.54 1.67 52.0
T-LM451349D/LM451310+A 281 335 1.5 3.3 16 0.36 1.87 2.79 1.83 29.9
T-M252349D/M252310+A 290 356 3.3 3.3 0.5 0.33 2.03 3.02 1.98 48.6
T-EE275109D/275155+A 294 366 1.5 6.4 22.5 0.40 1.68 2.50 1.64 50.5
1 "" means the load center is out side the inner ring.
B-163