| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| 7018 CE/HCP4AL | 90 | 140 | 24 |
| 7018 CE/HCP4AH1 | 90 | 140 | 24 |
| 7018 CB/HCP4AL | 90 | 140 | 24 |
| 7018 ACE/HCP4A | 90 | 140 | 24 |
| 71918 ACE/HCP4A | 90 | 125 | 18 |
| 71918 CB/P4AL | 90 | 125 | 18 |
| 71918 ACE/P4AH1 | 90 | 125 | 18 |
| S71918 CB/HCP4A | 90 | 125 | 18 |
| 7018 CD/HCP4AL | 90 | 140 | 24 |
| 71918 ACB/P4AL | 90 | 125 | 18 |
| 7218 ACD/P4A | 90 | 160 | 30 |
| S71918 ACB/HCP4A | 90 | 125 | 18 |
| 7018 ACE/HCP4AL1 | 90 | 140 | 24 |
| 71918 ACD/HCP4AH1 | 90 | 125 | 18 |
| 71918 CB/HCP4A | 90 | 125 | 18 |
| 7018 ACD/HCP4A | 90 | 140 | 24 |
| 7018 CD/P4AL | 90 | 140 | 24 |
| 71918 ACE/HCP4AH1 | 90 | 125 | 18 |
| 7018 CD/P4AH1 | 90 | 140 | 24 |
| 7018 ACE/HCP4AH1 | 90 | 140 | 24 |
| 7218 CD/P4A | 90 | 160 | 30 |
| 71818 CD/HCP4 | 90 | 115 | 13 |
| 7018 ACE/P4AH1 | 90 | 140 | 24 |
| 71918 ACB/HCP4AL | 90 | 125 | 18 |
| 71918 CE/HCP4AH1 | 90 | 125 | 18 |
| 71918 CE/P4AL | 90 | 125 | 18 |
| 7018 ACB/HCP4AL | 90 | 140 | 24 |
| 71918 ACE/P4AL | 90 | 125 | 18 |
| 71918 ACD/P4AH1 | 90 | 125 | 18 |
| 71818 ACD/HCP4 | 90 | 115 | 13 |
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