| 基本尺寸 | 型號 | ||
|---|---|---|---|
| Model | |||
| d[mm] | D[mm] | B[mm] | |
| 40 | 47 | 20 | BK4020 |
| 38.1 | 47.625 | 31.75 | BCE2420 |
| 38.1 | 47.625 | 25.4 | BCE2416 |
| 38.1 | 47.625 | 22.225 | BCE2414 |
| 38.1 | 47.625 | 19.05 | BCE2412 |
| 38.1 | 47.625 | 15.875 | BCE2410 |
| 38.1 | 47.625 | 12.7 | BCE248 |
| 35 | 42 | 20 | BK3520 |
| 34.925 | 44.45 | 25.4 | BCH2216 |
| 34.925 | 44.45 | 19.05 | BCH2212-P |
| 34.925 | 41.275 | 31.75 | BCE2220 |
| 34.925 | 41.275 | 19.05 | BCE2212 |
| 34.925 | 41.275 | 12.7 | BCE228 |
| 31.75 | 41.275 | 31.75 | BCH2020 |
| 31.75 | 41.275 | 25.4 | BCH2016 |
| 31.75 | 41.275 | 19.05 | BCH2012 |
| 31.75 | 41.275 | 12.7 | BCH208 |
| 31.75 | 38.1 | 31.75 | BCE2020 |
| 31.75 | 38.1 | 25.4 | BCE2016 |
| 31.75 | 38.1 | 19.05 | BCE2012 |
| 31.75 | 38.1 | 15.875 | BCE2010 |
| 31.75 | 38.1 | 12.7 | BCE208 |
| 30 | 37 | 38 | BK3038-ZW |
| 30 | 37 | 26 | BK3026 |
| 30 | 37 | 20 | BK3020 |
| 30 | 37 | 16 | BK3016 |
| 30 | 37 | 12 | BK3012 |
| 28.575 | 38.1 | 31.75 | BCH1820 |
| 28.575 | 38.1 | 28.575 | BCH1818 |
| 28.575 | 38.1 | 25.4 | BCH1816 |
