Roller Bearing

Developed as a practical replacement option for hard-working drill rigs and drifters, the Roller Bearing (OEM 0509 0121 31) is used within the rotation and drive train. The part provides a controlled bearing surface at the mating interface, helping maintain alignment and distribute load during repeated movement.

Accurate fit helps distribute load across the bearing area and maintain the intended clearance as the connected mechanism cycles under load. Cross-reference data lists applications including COP 3060MEX and COP 3060MUX; final fit should be confirmed against the machine configuration or serial information. For fleet maintenance, it offers a practical replacement route where dependable fit, serviceability and cost control are important.

Delkom supplies alternative spare parts for rock drilling equipment to maintenance teams across international mining and tunneling markets. When requesting stock status, technical support or a quotation, provide Delkom part number 120 102 447 together with OEM reference 0509 0121 31.