The Demag DH Wire Rope Hoist is a fan favorite! Maintaining you DH is important for efficient and safe operation. The caged roller bearing is a key part that requires maintenance. The bearing runs on an inner liner, or race, to protect the planetary gearbox. Watch as our USA Service Trainer, Andy Rasch, takes you through the process when you need to replace the caged roller bearing on the DH planetary gearbox.