A new compact version of the PRT-04 slewing ring bearing are designed for precise rotary movements under medium loads.

Electric utility company igus offers lubrication-free slewing ring bearings from the polymer slewing ring bearings PRT-04 range, which saves 60% weight and 50% space, while performing fast rotary ...

Slewing rings are thin loops: large-diameter bearings with large bores designed to support axial, radial, and tipping force loads. Common applications include cranes, excavators, turnstiles, wind ...

The rings are housed in aluminum and secured with stainless-steel screws. The polymer material is said to be wear and chemical resistant and damp vibrations well. The slewing rings have a high-load ...