Slew Ring

Slewing ring bearing bolts have a direct effect on bearing life, put simply if the bolt tension is incorrect or relaxes the bearing wear rate increases. We first became involved with these in 1995 on North Sea Offshore cranes. Together with Leibherr and Lloyds of London we extended the statutory replacement period from 6 to 11 years.

  • Increase bearing life by 80%

  • Prevent in-service failures

  • Significantly shorten maintenance testing routines

Slewing ring bearings are present on many critical machines including Drag Lines, Cranes, Stackers, Re-claimers, Shovels, Excavators, Car dumpers, FPSO turrets...

We first became involved with these in 1995 on North Sea Offshore cranes. Together with Leibherr and Lloyds of London we extended the statutory replacement period from 6 to 11 years. Find out more

Avoid using the wrong socket. Download our free Bolt to Nut comparison chart.