Description
The Needle Bearing (OEM 812 664 59) 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.
Delkom manufactures the world’s highest-quality alternative rock drilling, drifter equipment and spare parts, exported to more than 100 countries. Contact us for availability, bulk pricing and technical support.

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