KOYO BEARING
| Bearing No. 1) |
Design |
da     max. |
Mounting dimensions
(mm) Da                       S        ra max.      min.     min.    max. |
rb     max. |
Constant
e |
Axial load factors
Y2Â Â Â Â Â Â Â Â Â Â Â Y3Â Â Â Â Â Â Â Â Â Â Â Y0 |
(Refer.)
Mass (kg) |
|||||
| 47T271816
47T272016 |
1
1 |
146
147 |
171.5Â 186.5 | 166
179 |
1.4
3.9 |
1.5
1.5 |
1
0.6 |
0.33
0.33 |
2.03Â 2.03 | 3.02Â 3.02 | 1.98Â 1.98 | 10.7Â 15.4 |
| 47T271916
48393D/20/20D |
2
1 |
150
150 |
179
179 |
174
174 |
4.8
4.8 |
3.2
3.2 |
1.6Â 1.6 | 0.32
0.32 |
2.10Â 2.10 | 3.13Â 3.13 | 2.06Â 2.06 | 14.3Â 14.3 |
| 48680D/20/20D | 1 | 157 | 187 | 182 | 4 | 3.3 | 0.8 | 0.34 | 2.01 | 2.99 | 1.96 | 16.6 |
| 37228
47228 47328 |
1
1 1 |
157
160 161 |
188
200 213 |
183
190 203 |
5.3
6 6.5 |
2
2 2 |
2
2 2.5 |
0.28
0.27 0.40 |
2.43Â 2.47
1.68 |
3.61Â 3.67Â 2.50 | 2.37Â 2.41
1.64 |
13.6Â 13.7Â 21.2 |
| 47T292013 | 1 | 158 | 186.5 | 177 | 5.1 | 1.5 | 0.6 | 0.40 | 1.68 | 2.50 | 1.64 | 11.1 |
| 47T302119
37230 |
1
1 |
163
168 |
200
200 |
190
190 |
5
6 |
2
2 |
0.6Â 2.5 | 0.39
0.28 |
1.74
2.37 |
2.59Â 3.53 | 1.70Â 2.32 | 20.2Â 16.7 |
| M231649D/610/610D | 1 | 168 | 213 | 201 | 6 | 1.6 | 1.6 | 0.33 | 2.03 | 3.02 | 1.98 | 22.8 |
| 37232
47T322515 47T322717 |
1
1 1 |
178
182 193 |
214
238 253 |
204
226 241 |
6
6.5 7 |
2
2 2 |
2.5Â 2.5Â 1 | 0.28
0.33 0.35 |
2.37Â 2.03Â 1.95 | 3.53Â 3.02Â 2.90 | 2.32Â 1.98Â 1.91 | 20.1Â 25.4Â 37.6 |
| 46791D/20/21D | 1 | 180 | 213 | 203 | 4.5 | 3.2 | 0.8 | 0.38 | 1.77 | 2.63 | 1.73 | 19.7 |
| 67782D/20/21D | 1 | 189 | 236 | 226 | 5 | 3.2 | 1.6 | 0.44 | 1.54 | 2.29 | 1.50 | 31.7 |
| 47T342318
37234A 47T342418A 47T342616 47334/181 47334 |
1
1 2 1 1 1 |
183
189 184 194 202 202 |
220
228 228 248 268 268 |
210
218 218 238 250 250 |
6
5 7.5 6 6 6 |
2
2 2 2 2 2 |
1
2.5Â 1.5 2.5Â 2.5Â 2.5 |
0.40
0.33 0.40 0.35 0.33 0.33 |
1.68Â 2.03Â 1.68
1.95Â 2.03Â 2.03 |
2.50Â 3.02Â 2.50
2.90Â 3.02Â 3.02 |
1.64Â 1.98Â 1.64
1.91Â 1.98Â 1.98 |
19.9Â 24.2
24.7 28.5Â 44 44.8 |
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