| Designation | External Gear | TLOR20/644 Four-point Contact Ball Slewing Bearing |
| Boundary Dimension | D(Da) | 742.8 |
| d | 534 | |
| H | 56 | |
| H1 | 46 | |
| h | 10 | |
| Mounting Hole Size | D1 | 685 |
| D2 | 562 | |
| n1 | 16 | |
| n2 | 16 | |
| φ1 | M12 | |
| φ2 | φ18 | |
| Structure dimensions | d2 | 605 |
| d1 | 645.5 | |
| D3 | 642.5 | |
| Gear Data | m | 6 |
| z | 122 | |
| do | 732 | |
| x | 0 | |
| Wt(KG) | 47 | |
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