| 轴承型号 | 品牌 | 系列 | 内径(mm) | 外径(mm) | 厚度(mm) |
| NNU4988 | NTN | NNU型圆柱孔 | |||
| NA4988 | NTN | NA48,NA49,NA59,NA69,NK+IR | |||
| NNU4988K | NSK | 圆柱滚子轴承 | |||
| NNU4988 | KOYO | NNU圆柱孔 | |||
| NNU4988B/W33 | SKF | 圆柱滚子轴承 | |||
| NA4988 | IKO | NA,TAFI,TRI,GTRI | |||
| SL01-4988 | NTN | SL01-48,SL01-49 | |||
| SL02-4988 | NTN | SL02-4,SL02-49 | |||
| NNU4988BK/W33 | SKF | 圆柱滚子轴承 | |||
| NNU4988 | NSK"} | 圆柱滚子轴承 |