| 国内新型号 | 国内旧型号 | 内径(mm) | 外径(mm) | 宽度(mm) | 轴承型号 | 轴承类型 | 轴承品牌 |
|---|---|---|---|---|---|---|---|
| NNU4948/W33 | 4382948K | 240 | 320 | 80 | NNU4948S·M | 圆柱滚子轴承2类 | FAG |
| NNU4948/W33 | 4382948K | 240 | 320 | 80 | NNU4948B/W33 | 圆柱滚子轴承2类 | S |
| NNU4948EA | 4481948HEK | 240 | 320 | 80 | NNU4948EA | 圆柱滚子轴承2类 | INA |
| NNU4948EA | 4481948HEK | 240 | 320 | 80 | NNU4948EA | 圆柱滚子轴承2类 | IKO |
| NNU4948EA | 4481948HEK | 240 | 320 | 80 | NNU4948EA | 圆柱滚子轴承2类 | INA |
| NNU4948EMA | 4481948HEK | 240 | 320 | 80 | NNU4948EMA | 未知类型 | INA |
| NNU4948EMA | 4481948HEK | 240 | 320 | 80 | NNU4948EMA | 未知类型 | IKO |
| NNU4948EMA | 4481948HEK | 240 | 320 | 80 | NNU4948EMA | 未知类型 | INA |
| NNU4948K | 4382948 | 240 | 320 | 80 | NNU4948K | 圆柱滚子轴承2类 | KOYO |
| NNU4948K | 4382948 | 240 | 320 | 80 | NNU4948K | 圆柱滚子轴承2类 | NACHI |
| NNU4948K | 4382948 | 240 | 320 | 80 | NNU4948K | 圆柱滚子轴承2类 | NSK |
| NNU4948K | 4382948 | 240 | 320 | 80 | NNU4948K | 圆柱滚子轴承2类 | NTN |
| NNU4948K/W33 | 4382948K | 240 | 320 | 80 | NNU4948BK/W33 | 圆柱滚子轴承2类 | S |
| NNU4948K/W33 | 4382948K | 240 | 320 | 80 | NNU4948BK/W33 | 圆柱滚子轴承2类 | FAG |
| NNU4952 | 4482952 | 260 | 360 | 100 | NNU4952 | 圆柱滚子轴承2类 | NSK |
| NNU4952 | 4482952 | 260 | 360 | 100 | NNU4952 | 圆柱滚子轴承2类 | KOYO |
| NNU4952 | 4482952 | 260 | 360 | 100 | NNU4952 | 圆柱滚子轴承2类 | NTN |
| NNU4952 | 4482952 | 260 | 360 | 100 | NNU4952 | 圆柱滚子轴承2类 | NACHI |
| NNU4952/C3W33 | 3G4382952Y | 260 | 360 | 100 | NNU4952/C3W33 | 圆柱滚子轴承2类 | INA |
| NNU4952/C3W33 | 3G4382952Y | 260 | 360 | 100 | NNU4952/C3W33 | 圆柱滚子轴承2类 | INA |
| NNU4952/C3W33 | 3G4382952Y | 260 | 360 | 100 | NNU4952/C3W33 | 圆柱滚子轴承2类 | IKO |
| NNU4952/C3W33 | 3G4382952Y | 260 | 360 | 100 | NNU4952/C3W33 | 圆柱滚子轴承2类 | IKO |
| NNU4952/W33 | 4382952K | 260 | 360 | 100 | NNU4952S·M | 圆柱滚子轴承2类 | FAG |
| NNU4952/W33 | 4382952K | 260 | 360 | 100 | NNU4952B/W33 | 圆柱滚子轴承2类 | S |
| NNU4952K | 4382952 | 260 | 360 | 100 | NNU4952K | 圆柱滚子轴承2类 | NSK |
| NNU4952K | 4382952 | 260 | 360 | 100 | NNU4952K | 圆柱滚子轴承2类 | KOYO |
| NNU4952K | 4382952 | 260 | 360 | 100 | NNU4952K | 圆柱滚子轴承2类 | NACHI |
| NNU4952K | 4382952 | 260 | 360 | 100 | NNU4952K | 圆柱滚子轴承2类 | NTN |
| NNU4952K/W33 | 4382952K | 260 | 360 | 100 | NNU4952BK/W33 | 圆柱滚子轴承2类 | S |
| NNU4952K/W33 | 4382952K | 260 | 360 | 100 | NNU4952BK/W33 | 圆柱滚子轴承2类 | FAG |