NTN - Large Bearings

Double Row Steep Slope Tapered Roller Bearings (Inside Direction)
Sa
Kr
Da
ras
rlas
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.
Drawing D
Groove dimensions Abutment and fillet dimensions Constant Axial load factors Mass
mm numbers mm mm kg
width depth angle key groove d a D a S a r as r las
K w K d ˚ side face K r max min min max max e Y 1 Y 2 Y o (approx.)
117.5 201 3.7 2.5 3 0.81 0.83 1.23 0.81 19.7
130.5 236 6.6 2.5 3 0.81 0.83 1.23 0.81 31.2
129 226 5.8 2.5 3 0.81 0.83 1.23 0.81 26.6
147.5 246 3.1 2.5 3 0.81 0.83 1.23 0.81 34.2
30.2 11 90 1-2 160.5 291 1.5 2.5 3 0.73 0.93 1.38 0.91 68.9
168.5 283 7.5 4 5 0.73 0.92 1.37 0.90 58.1
180 302 8 3 4 0.81 0.83 1.23 0.81 56.9
186.5 358 6.5 4 5 0.81 0.83 1.23 0.81 142
177 246 3.5 2.5 3 0.62 1.09 1.62 1.06 27
195 286 5.4 2.5 3 0.70 0.97 1.44 0.94 30.2
204.5 342 1.5 3 4 1.10 0.62 0.92 0.60 79.7
197 342 1.5 3 4 1.10 0.61 0.91 0.60 79.7
200.5 308 3.5 4 5 0.58 1.17 1.75 1.15 71.9
208.5 366 3.4 2.5 3 0.81 0.83 1.23 0.81 87.6
211.5 382 6.8 3 4 0.81 0.83 1.23 0.81 146.5
216.5 306 5.5 2.5 3 0.73 0.92 1.37 0.90 34.1
214 306 4.6 2.5 3 0.80 0.85 1.26 0.83 34.1
216 336 5.5 2.5 3 0.81 0.83 1.23 0.81 57.7
253 367 5.9 5 5 0.81 0.83 1.23 0.81 212
278 410 1.5 4 5 1.01 0.67 0.99 0.65 118
50 15 90 2-2 296 438 1.5 4 5 0.87 0.78 1.16 0.76 107
301 567 4.5 3 4 1.17 0.58 0.86 0.56 392
32 15 90 2-2 304 436 1.5 4 5 0.87 0.78 1.16 0.76 109
304 437 1.5 4 5 0.87 0.78 1.16 0.76 110
32 15 90 2-2 304 441 1.5 3 4 0.87 0.78 1.16 0.76 110
B-173