rotor bearings
Time: 2017-11-30 Click：1320
| No. | Type | Serial Number | Series of Frame |
| 0 | BZ1 | PLC 73-1-20(40000r) | BD200、FA601 |
| 1 | BZ2① | PLC 73-1-14(60000r) | BD200、FA601 |
| 2 | BZ2② | PLC 73-1-22(65000r) | BD200、FA601 |
| 3 | BZ3 | PLC 73-1-24(75000r) | BD200 |
| 4 | BZ4 | PLC 73-1-31(80000r) | D30、BT902/905 |
| 5 | BZ5 | PLC 72-6(90000r) | BD、BT、RFRS10 |
| 6 | BZ5t | PLC 72-6T(95000r) | BD、BT、RFRS10 |
| 7 | BZ6 | PLC 73-1-50(80000r) | BD902/905 |
| 8 | BZ6t | PLC 72-1-52(85000r) | BD902/905 |
| 9 | BZ7 | TL2270/T(70000r) | D30 |
| 10 | BZ8 | TL2280(80000r) | D30 |
| 11 | BZ9 | TL2290/T(90000r) | D30 |
| 12 | BZ9T | TL2110(100000r) | D30 |
| 13 | BZ10 | PLC72_8_6(10000r) | BT905/923 |
| 14 | BZ15 | (40000r) | BD340、BT904 |
| 15 | BZ18 | (25000r) | |
| 16 | BZ20 | PLC 73-1-35(60000r) | HS5T/6T |
| 17 | BZ21 | PLC 74-5-4(40000r) | HS4T |
