KOYO tapered roller bearings
| Boundary dimensions
d                           D                       T                     B                     C              r        r1    mm         1/25.4           mm       1/25.4         mm     1/25.4       mm     1/25.4        mm     1/25.4     min.   min. |
Bearing No. 1) |
(Refer.)
Mass (kg) |
||||||||
| 177.800 | 7.0000
7.0000 7.0000 |
360.000
365.049 428.625 |
14.1732
14.3720 16.8750 |
92.075Â 3.6250
92.075Â 3.6250 106.362Â 4.1875 |
88.897Â 3.4999
88.897Â 3.4999 95.250Â 3.7500 |
63.500Â 2.5000 63.500Â 2.5000 61.912Â 2.4375 | 12.7
12.7 6.4 |
3.2
3.2 6.4 |
EE420701/421417
EE420701/421437 EE350701/351687 |
40.5
41.9 64.6 |
| 179.975 | 7.0856 | 317.500 | 12.5000 | 63.500Â 2.5000 | 63.500Â 2.5000 | 46.038Â 1.8125 | 3.6 | 3.2 | 93708/93125 | 20.8 |
| 180 | — | 250 | 45           — | 45           — | 34          — | 2.5 | 2 | 32936JR | 6.64 | |
| 180.000 | 7.0866 | 250.000 | 9.8425 | 47.000Â 1.8504 | 45.000Â 1.7717 | 37.000Â 1.4567 | 3.0 | 2.5 | JM736149/JM736110 | 6.56 |
| 180 | — | 280
320 320 |
64          —    57          —    91          — | 64          —
52          — 86          — |
48           —    43           —    71           — | 3
5 5 |
2.5
4 4 |
32036JR
30236JR 32236JR |
14.1
18.3 29.9 |
|
| 184.150 | 7.2500
7.2500 |
266.700
279.997 |
10.5000
11.0235 |
47.625Â 1.8750
46.525Â 1.8317 |
46.833Â 1.8438
46.833Â 1.8438 |
38.100Â 1.5000 36.000Â 1.4173 | 3.6
3.6 |
3.2
3.2 |
67883/67820
67883/67830 |
8.55
10.0 |
| 187.325 | 7.3750
7.3750 7.3750 |
269.875
319.964 320.675 |
10.6250
12.5970 12.6250 |
55.563Â 2.1875
88.900Â 3.5000 88.900Â 3.5000 |
55.563Â 2.1875
85.725Â 3.3750 85.725Â 3.3750 |
42.863Â 1.6875 65.088Â 2.5625 65.088Â 2.5625 | 3.6
5.6 5.6 |
3.2
4.8 4.8 |
M238849/M238810
H239649/H239610 H239649/H239612 |
9.66
25.1 25.3 |
| 190 | — | 260 | — | 45           — | 45           — | 34          — | 2.5 | 2 | 32938JR | 6.89 |
| 190.000 | 7.4803 | 260.000 | 10.2362 | 46.000Â 1.8110 | 44.000Â 1.7323 | 36.500Â 1.4370 | 3.0 | 2.5 | JM738249/JM738210 | 6.89 |
| 190 | — | 290
340 340 |
64          —    60          —    97          — | 64          —
55          — 92          — |
48           —    46           —    75           — | 3
5 5 |
2.5
4 4 |
32038JR
30238JR 32238JR |
14.7
21.9 36.6 |
|
| 190.500 | 7.5000
7.5000 7.5000 7.5000 |
266.700
282.575 317.500 317.500 |
10.5000
11.1250 12.5000 12.5000 |
47.625Â 1.8750
50.800Â 2.0000 63.500Â 2.5000 68.263Â 2.6875 |
46.833Â 1.8438
47.625Â 1.8750 63.500Â 2.5000 63.500Â 2.5000 |
38.100Â 1.5000 36.512Â 1.4375 46.038Â 1.8125
50.800Â 2.0000 |
3.6
3.6 4.3 4.3 |
3.2
3.2 3.2 3.2 |
67885/67820
87750/87111 93750/93125 93750/93126 |
7.88
9.67 19.3 20.3 |
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