| 公称型号 | 主要尺寸(inch) | |||
| 轴径 | h | E | w | |
| TWA4UU | 1/4 | 0.437 | 0.8125 | 1.625 | TWA6UU | 3/8 | 0.5 | 0.875 | 1.75 |
| TWA8UU | 1/2 | 0.687 | 1.0000 | 2 | TWA10UU | 5/8 | 0.875 | 1.2500 | 2.5 |
| TWA12UU | 3/4 | 0.937 | 1.3750 | 2.75 | TWA16UU | 1 | 1.1870 | 1.6250 | 3.25 |
| TWA20UU | 1-1/4 | 1.5000 | 2.0000 | 4 | TWA24UU | 1-1/2 | 1.7500 | 2.3750 | 4.75 |
| TWA32UU | 2 | 2.1250 | 3.0000 | 6 |