NTN - Large Bearings

Double Row Tapered Roller Bearings (Outside Direction)
Sb
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 Constant Axial load factors Mass
center
mm mm kg
d a D b S b r as r las
min min min max max a e Y 1 Y 2 Y o (approx.)
112 153 3 2 0.8 53.5 0.33 2.03 3.02 1.98 3.94
114 169 8 2.5 1 80.5 0.42 1.61 2.39 1.57 8.08
114 168 8 2.5 1 81.5 0.42 1.61 2.39 1.57 8.11
114 171 10 2.5 1 92 0.42 1.61 2.39 1.57 10.7
112 168.5 12.5 2 1 97.5 0.33 2.06 3.06 2.01 13.8
114 179.5 11.5 2.5 1 95.5 0.33 2.02 3.00 1.97 14.3
118 200 12.5 3 1 92 0.35 1.96 2.91 1.91 18.4
118 200 12.5 3 1 93.5 0.35 1.95 2.90 1.91 16.5
118 200 17.5 3 1 113 0.35 1.96 2.91 1.91 26.5
119 178 9 2.5 1 86 0.42 1.61 2.39 1.57 9.73
119 180 10 2.5 1 97.5 0.42 1.61 2.39 1.57 13.1
119 179.5 10.5 2.5 1 99.5 0.42 1.61 2.39 1.57 12.9
123 209 12.5 3 1 96.5 0.35 1.96 2.91 1.91 21
123 209 12.5 3 1 96.5 0.35 1.95 2.90 1.91 19.6
119 208 18.5 2.5 1 117.5 0.35 1.96 2.90 1.91 30.2
118.5 146 5 1.5 0.5 60.5 0.36 1.90 2.83 1.86 3.41
122 169 3 2 0.6 66.5 0.40 1.68 2.50 1.64 5.2
122 166 7 2 0.6 66.5 0.33 2.03 3.02 1.98 6.38
122 168 12.5 2 0.6 87 0.26 2.55 3.80 2.50 11.2
124 188 9 2.5 1 90 0.42 1.61 2.39 1.57 11.4
124 190 10 2.5 1 102 0.42 1.61 2.39 1.57 15.5
128 222 12.5 3 1 100 0.35 1.96 2.91 1.91 24.5
128 222 12.5 3 1 97.5 0.35 1.95 2.90 1.91 22.1
128 222 19.5 3 1 127 0.35 1.96 2.91 1.91 38.2
128 222 19.5 3 1 124 0.35 1.95 2.90 1.91 35.6
132 171 2.5 2 0.6 59 0.37 1.80 2.69 1.76 3.85
132 170 6 2 0.6 66 0.37 1.80 2.69 1.76 4.41
132 184 3.5 2 0.6 76.5 0.43 1.57 2.34 1.53 7.24
132 188 8 2 0.6 76.5 0.37 1.80 2.69 1.76 8.96
132 187 8 2 0.6 81.5 0.37 1.80 2.69 1.76 8.78
132 190.5 8 2 1 87.5 0.34 1.96 2.92 1.92 12.6
134 203 9.5 2.5 1 98 0.44 1.55 2.31 1.52 13.6
134 204 11.5 2.5 1 112 0.44 1.55 2.31 1.52 18.9
138 239 13.5 3 1 107 0.35 1.96 2.91 1.91 30.5
138 239 13.5 3 1 106 0.35 1.95 2.90 1.91 29.4
138 239 21.5 3 1 130 0.35 1.96 2.91 1.91 47
B-125