| 轴承代号 | 外形尺寸 | |||
| d mm |
D | B | rsmin | |
| BH71904C.2RZ | 20 | 37 | 9 | 0.30 | BH71904E.2RZ | 20 | 37 | 9 | 0.30 |
| BH7004C.2RZ | 20 | 42 | 12 | 0.60 | BH7004E.2RZ | 20 | 42 | 12 | 0.60 |
| HCBH71904C.2RZ | 20 | 37 | 9 | 0.30 | HCBH71904E.2RZ | 20 | 37 | 9 | 0.30 |
| HCBH7004C.2RZ | 20 | 42 | 12 | 0.60 | HCBH7004E.2RZ | 20 | 42 | 12 | 0.60 |
| BH7004C | 20 | 42 | 12 | 0.60 | HCBH7004C | 20 | 42 | 12 | 0.60 |
| 71805C | 25 | 37 | 7 | 0.30 | 71805E | 25 | 37 | 7 | 0.30 |