


Sandvik / Tamrock
550 538 90 SUPPORT
DS410
Available — Request Quote| Part Number | 550 538 90 |
| Description | SUPPORT |
| Brand | Sandvik (Tamrock) |
| Assembly | BEARING ASSY |
| Type | Drill Rig Spare Part |
Quick answer
550 538 90 (also written 55053890 or 550-538-90) is a Sandvik support spare part used in the BEARING ASSY assembly of the Sandvik DD321-40. Verified compatible with 6 Sandvik machine models including AXERA 7-240, DD321-40, DD421-60C. 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: 55053890, 550 538 90, 550-538-90.
Compatible machines
6
OEM cross-reference
550 538 90
About Sandvik 550 538 90 SUPPORT
This component is part of the BEARING ASSY assembly in the Sandvik DD321-40. 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 DD321-40 (DD321-40). 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.




