| 带座轴承型号 | 轴径 | 外形尺寸(mm) | ||
| d(mm) | d(inch) | H | L | |
| NAP308-25 | - | 1-9/16 | 60 | 218 | NAP308 | 40 | - | 60 | 218 |
| NAP309-26 | - | 1-5/8 | 67 | 244 | NAP309-27 | - | 1-11/16 | 67 | 244 |
| NAP309-28 | - | 1-3/4 | 67 | 244 | NAP309 | 45 | - | 67 | 244 |
| NAP310-30 | - | 1-7/8 | 75 | 271 | NAP310-31 | - | 1-15/16 | 75 | 271 |
| NAP310 | 50 | - | 75 | 271 | NAP311-32 | - | 2 | 80 | 300 |
| NAP311-34 | - | 2-1/8 | 80 | 300 | NAP311 | 55 | - | 80 | 300 |