Bearing

The Bearing (OEM 550 520 86) is a durable alternative replacement designed to perform reliably on rock drills and drifter rigs in harsh mining and tunnelling applications. It supports rotating and oscillating loads with minimal friction, maintaining precise alignment and smooth motion under heavy radial and axial stress.

Manufactured from high-grade hardened bearing steel with precision-ground raceways, it delivers the load capacity and fatigue resistance required for long service intervals and reduced downtime. Supplied as an alternative spare part, it provides direct functional interchangeability and dependable performance at a competitive price.

Backed by Delkom’s expertise in alternative rock drilling and drifter equipment, this part reflects the quality we export to over 100 countries. Reach out for availability, bulk pricing and technical support.