


Sandvik / Tamrock
550 234 99 Ring, Backing
COMMANDO 120R
| Part Number | 550 234 99 |
| Description | Ring, Backing |
| Brand | Sandvik (Tamrock) |
| Assembly | WINCH |
| Type | Drill Rig Spare Part |
Quick answer
550 234 99 (also written 55023499, 550-234-99, or 550.234.99) is a Sandvik ring, backing spare part used in the WINCH assembly of the Sandvik DC122R. Verified compatible with 5 Sandvik machine models including COMMANDO 120 RF, COMMANDO 120R, Commando DC130Ri. 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: 55023499, 550 234 99, 550-234-99.
Compatible machines
5
OEM cross-reference
550 234 99
About Sandvik 550 234 99 Ring, Backing
This component is part of the WINCH assembly in the Sandvik DC122R. 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 DC122R (DC122R). 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.


