Sandvik / Tamrock
522 166 70 O-RING
DP800
| Part Number | 522 166 70 |
| Description | O-RING |
| Brand | Sandvik (Tamrock) |
| Assembly | ZOOM ASSY, LEFT |
| Type | Drill Rig Spare Part |
Compatibility
Machine Models
Quick answer
522 166 70 (also written 52216670, 522-166-70, or 522.166.70) is a Sandvik o-ring spare part used in the ZOOM ASSY, LEFT assembly of the Sandvik DD320-40. Verified compatible with 46 Sandvik machine models including AXERA 6-240, AXERA 7-240, AXERA 8-290. 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: 52216670, 522 166 70, 522-166-70.
Compatible machines
46
OEM cross-reference
522 166 70
About Sandvik 522 166 70 O-RING
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik DD320-40. Part of the ZOOM ASSY, LEFT, it prevents fluid leakage at connection points and maintains system pressure integrity essential for efficient 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 do O-rings fail in drilling equipment?
O-rings fail due to chemical degradation from hydraulic fluid, extreme temperature cycling, excessive pressure spikes, improper installation (twisting or pinching), and age-related hardening. Using the correct material compound for each application is critical.
