Sandvik / Tamrock
BG 005 502 33a O-ring
Rock Drill Spare Part
| Part Number | BG 005 502 33a |
| Description | O-ring |
| Brand | Sandvik (Tamrock) |
| Assembly | Rock Drill |
| Type | Rock Drill Spare Part |
Quick answer
BG 005 502 33a (also written BG00550233a, BG-005-502-33a, or BG.005.502.33a) is a Sandvik o-ring spare part used in the Rock Drill assembly of the Sandvik DD321-40. Verified compatible with 13 Sandvik machine models including DD321-40, DD321-40C, DD421-60. Used in 4 drifter configurations (HLX5, RD520, RD525). 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: BG00550233a, BG 005 502 33a, BG-005-502-33a.
Compatible machines
13
Drifter configurations
4
OEM cross-reference
BG 005 502 33a
About Sandvik BG 005 502 33a O-ring
This O-ring provides critical sealing in the hydraulic or pneumatic circuits of the Sandvik DD321-40. Part of the Rock Drill, 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 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 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.
