Longer bearing life for walking draglines

When a major open cut coal mining operation undertook an initiative to improve the service life of its walking draglines, replacing the bearings in some critical applications with the NTN “EA” long life bearings helped double the interval between replacements – matching related durability improvements.

While the mechanical and operational improvements delivered some positive results, the overall success of the programme was still limited by some critical application bearings. CBC was engaged to evaluate potential to improve bearing reliability and operating life for these identified applications.

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