Sandvik / Tamrock
551 529 92 Bearing assembly
DD321-40
| Part Number | 551 529 92 |
| Description | Bearing assembly |
| Brand | Sandvik (Tamrock) |
| Assembly | STABILIZER ASSEMBLY |
| Type | Drill Rig Spare Part |
Quick answer
551 529 92 (also written 55152992, 551-529-92, or 551.529.92) is a Sandvik bearing assembly spare part used in the STABILIZER ASSEMBLY assembly of the Sandvik DD321-40. Verified compatible with 8 Sandvik machine models including DD321-40, DD421-60C, DD422i-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: 55152992, 551 529 92, 551-529-92.
Compatible machines
8
OEM cross-reference
551 529 92
About Sandvik 551 529 92 Bearing assembly
Engineered to withstand the extreme loads and vibrations encountered in drilling operations, this bearing maintains precise alignment of rotating components in the Sandvik DD321-40. As part of the STABILIZER ASSEMBLY, proper bearing maintenance is essential for optimal drill performance and reduced machine downtime.
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 are bearings critical in drilling equipment?
Bearings support rotating shafts and components under extreme loads and vibrations. Failed bearings can cause catastrophic damage to gearboxes, drive trains, and drilling mechanisms, leading to extended downtime and costly repairs.
What causes premature bearing failure in mining equipment?
Common causes include contamination from dust and water ingress, misalignment during installation, excessive loads, inadequate lubrication, and operating beyond rated temperature ranges. Proper sealing and regular lubrication schedules are essential preventive measures.
