Back-Up Ring

For maintenance teams working in demanding drilling environments, the Back-Up Ring (OEM reference 3161 1233 00) supports reliable servicing of Atlas Copco rock-drilling equipment. Within its operating system, the component supports, locates or spaces moving components so shafts, gears and adjoining parts remain correctly aligned under load. The part is associated with compatible applications such as DHR 48H 56, DHR 48H 68 and ROC L6.

The part is suited to conditions involving radial or axial loading, sliding contact, vibration and repetitive movement. Produced using wear-resistant bearing surfaces manufactured to controlled dimensional tolerances, it is intended to maintain dimensional stability and dependable function throughout demanding service. This helps preserve running clearance, reduce unwanted movement and protect adjacent components from irregular wear.

For workshops and fleet operators, this Delkom alternative offers a straightforward replacement route for the referenced Atlas Copco application. Delkom part number 120 101 480 can be used for ordering, cross-reference checks and volume pricing.