NTN - Large Bearings

Sealed Spherical Roller Bearings: Model WA
Da
ra
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 Constant Axial load factors Mass (approx.)
mm
kg
d a D a r as Cylindrical Tapered
min max max max e Y 1 Y 2 Y 0 bore bore
68.5 74.5 101.5 1.5 0.27 2.49 3.71 2.44 1.41 1.37
73.5 80 111.5 1.5 0.28 2.42 3.60 2.37 1.80 1.76
78.5 84 116.5 1.5 0.26 2.55 3.80 2.50 1.91 1.86
83.5 89.5 121.5 1.5 0.24 2.81 4.19 2.75 2.06 2.00
90 94.5 130 2 0.26 2.64 3.93 2.58 2.51 2.45
95 101 140 2 0.26 2.60 3.88 2.55 3.08 3.01
100 107 150 2 0.26 2.55 3.80 2.49 4.08 3.97
107 114 158 2 0.26 2.63 3.92 2.57 4.71 4.59
112 119 168 2 0.26 2.55 3.80 2.49 6.01 5.83
122 133 188 2 0.27 2.51 3.74 2.46 8.87 8.60
132 147 203 2 0.27 2.47 3.68 2.42 11.2 10.9
144 154 216 2.5 0.28 2.39 3.56 2.33 12.5 12.1
154 168 236 2.5 0.28 2.39 3.55 2.33 16.9 16.3
164 185 256 2.5 0.27 2.46 3.66 2.40 22.6 21.9
174 197 276 2.5 0.28 2.42 3.60 2.37 28.0 27.2
C-19