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) |
|||||||||||
| 100 | —
— |
140
150 150 |
25
32 39 |
25
32 39 |
20
24 32.5 |
1.5
2 2 |
1.5
1.5 1.5 |
32920JR
32020JR 33020JR |
1.19
1.95 2.40 |
||||
| 100.000 | 3.9370
3.9370 |
155.000Â 160.000 | 6.1024
6.2992 |
36.000Â 41.000 | 1.4173
1.6142 |
35.000Â 40.000 | 1.3780
1.5748 |
28.000Â 32.000 | 1.1024
1.2598 |
3.0
3.0 |
2.5
2.5 |
JM720249/JM720210
JHM720249/JHM720210 |
2.40
3.08 |
| 100 | —
— |
165
180 180 180 |
52
37 49 63 |
52
34 46 63 |
40
29 39 48 |
2.5
3 3 3 |
2
2.5 2.5 2.5 |
33120JR
30220JR 32220JR 33220JR |
4.29
3.83 5.21 6.92 |
||||
| 100.000 | 3.9370 | 200.000 | 7.8740 | 52.761 | 2.0772 | 49.213 | 1.9375 | 34.925 | 1.3750 | 3.6 | 3.2 | 98394X/98788 | 6.91 |
| 100 | — | 215 | — | 56.5 | — | 51 | — | 35 | — | 4 | 3 | 31320JR | 8.72 |
| 100.012 | 3.9375 | 157.162 | 6.1875 | 36.512 | 1.4375 | 36.116 | 1.4219 | 26.195 | 1.0313 | 3.6 | 3.2 | 52393/52618 | 2.43 |
| 101.600 | 4.0000Â 4.0000
4.0000 4.0000Â 4.0000 4.0000 4.0000Â 4.0000 4.0000 |
146.050Â 157.162Â 161.925
168.275Â 180.975Â 190.500 200.000Â 212.725Â 212.725 |
5.7500Â 6.1875
6.3750 6.6250Â 7.1250 7.5000 7.8740Â 8.3750 8.3750 |
21.433Â 36.512Â 36.513
41.275Â 47.625Â 57.150 52.761Â 66.675Â 66.675 |
0.8438Â 1.4375
1.4375 1.6250Â 1.8750 2.2500 2.0772Â 2.6250 2.6250 |
21.433Â 36.116Â 36.116
41.275Â 48.006Â 57.531 49.212Â 66.675Â 66.675 |
0.8438Â 1.4219
1.4219 1.6250Â 1.8900 2.2650 1.9375Â 2.6250 2.6250 |
16.670Â 26.195Â 26.195
30.162Â 38.100Â 46.038 34.925Â 53.975Â 53.975 |
0.6563Â 1.0313
1.0313 1.1875Â 1.5000 1.8125 1.3750Â 2.1250 2.1250 |
1.6
3.6 3.6 3.6 3.6 7.9 3.6 7.1 7.1 |
1.6
3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2 |
L521945R/L521910
52400/52618 52400/52637 687/672 780/772 HH221449/HH221410 98400/98788 941/932 HH224335/HH224310 |
1.17
2.36 2.60 3.37 5.01 6.93 6.83 11.1 10.8 |
| 104.775 | 4.1250Â 4.1250
4.1250 |
180.975Â 180.975Â 190.500 | 7.1250Â 7.1250
7.5000 |
47.625Â 47.625Â 47.625 | 1.8750Â 1.8750
1.8750 |
48.006Â 48.006Â 49.212 | 1.8900Â 1.8900
1.9375 |
38.100Â 38.100Â 34.925 | 1.5000Â 1.5000
1.3750 |
3.6
6.4 3.6 |
3.2
3.2 3.2 |
782/772
786/772 71412/71750 |
4.82
4.80 5.68 |
| 105 | 145 | 25 | 25 | 20 | 1.5 | 1.5 | 32921JR | 1.23 | |||||
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