| 轴承结构代号 | ADR轴承结构代号 | 尺寸 | ||
| 内径d（inch) | d（mm) | 外径D（inch) | ||
| XA1264 | WA1264 | 4 | 101.6 | 4.75 | XA1268 | WA1268 | 4.25 | 107.95 | 5 |
| XA1272 | WA1272 | 4.5 | 114.3 | 5.25 | XA1276 | WA1276 | 4.75 | 120.65 | 5.5 |
| XA1280 | WA1280 | 5 | 127 | 5.75 | XA1288 | WA1288 | 5.5 | 139.7 | 6.25 |
| XA1296 | WA1296 | 6 | 152.4 | 6.75 | XA12104 | WA12104 | 6.5 | 165.1 | 7.25 |
| XA12112 | WA12112 | 7 | 177.8 | 7.75 | XA12120 | WA12120 | 7.5 | 190.5 | 8.25 |
| XA12128 | WA12128 | 8 | 203.2 | 8.75 | XA12144 | WA12144 | 9 | 228.6 | 9.75 |
