Sandvik / Tamrock
550 660 70 BACK UP RING
DD320-40
Available — Request Quote| Part Number | 550 660 70 |
| Description | BACK UP RING |
| Brand | Sandvik (Tamrock) |
| Assembly | CYLINDER ASSY |
| Type | Drill Rig Spare Part |
Quick answer
550 660 70 (also written 55066070 or 550-660-70) is a Sandvik back up ring spare part used in the CYLINDER ASSY assembly of the Sandvik DD320-40. Verified compatible with 2 Sandvik machine models including AXERA 6-240, DD320-40. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55066070, 550 660 70, 550-660-70.
Compatible machines
2
OEM cross-reference
550 660 70
About Sandvik 550 660 70 BACK UP RING
This component is part of the CYLINDER ASSY assembly in the Sandvik DD320-40. Maintaining OEM-compatible replacement parts ensures reliable machine performance and minimizes downtime in demanding mining and drilling operations.
This is an OEM-compatible aftermarket replacement part for the Sandvik DD320-40 (DD320-40). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.