| Bearing model number | Basic Dimensions（mm） | Bearing weight | ||
|---|---|---|---|---|
| d inner diameter |
D outer diameter |
B thickness |
||
| 33021 | 105 | 160 | 43 | 2.97 |
| 33020 | 100 | 150 | 39 | 2.33 |
| 33019 | 95 | 145 | 39 | 2.26 |
| 33018 | 90 | 140 | 39 | 2.2 |
| 33017 | 85 | 130 | 36 | 1.69 |
| 33016 | 80 | 125 | 36 | 1.63 |
| 33015 | 75 | 115 | 31 | 1.12 |
| 33014 | 70 | 110 | 31 | 1.07 |
| 33013 | 65 | 100 | 27 | 0.732 |
| 33012 | 60 | 95 | 27 | 0.691 |
| 33011 | 55 | 90 | 27 | 0.651 |
| 33010 | 50 | 80 | 24 | 0.433 |
| 33009 | 45 | 75 | 24 | 0.398 |
| 33008 | 40 | 68 | 22 | 0.306 |
| 33007 | 35 | 62 | 20 | 0.25 |
| 33006 | 30 | 55 | 20 | 0.201 |
| 33005 | 25 | 47 | 17 | 0.129 |
