Sandvik / Tamrock
522 143 70a O-Ring
Rock Drill Spare Part
| Part Number | 522 143 70a |
| Description | O-Ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Filling Pipe, Oil |
| Type | Rock Drill Spare Part |
Compatibility
Drifter Models
Machine Models
Quick answer
522 143 70a (also written 52214370a, 522-143-70a, or 522.143.70a) is a Sandvik o-ring spare part used in the Filling Pipe, Oil assembly of the Sandvik DX700. Verified compatible with 24 Sandvik machine models including DC120, DC122R, DL310-7. Used in 16 drifter configurations (HF800T, HF810T, HF820T). 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: 52214370a, 522 143 70a, 522-143-70a.
Compatible machines
24
Drifter configurations
16
OEM cross-reference
522 143 70a
About Sandvik 522 143 70a O-Ring
A precision-molded sealing element for the Sandvik DX700, this O-ring is used in the Filling Pipe, Oil to create a reliable static or dynamic seal. Even minor O-ring deterioration can lead to system pressure loss, so scheduled replacement during routine maintenance is strongly recommended.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX700 (DX700). 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.
