Slewing bearings

Slewing bearings comprise an inner ring and an outer ring, one of which usually incorporates a gear.
Together with attachment holes in both rings, they enable an optimized power transmission with a simple and quick connection between adjacent machine components.

The bearing raceways, in conjunction with the rolling elements and cages or spacers, are designed to accommodate loads acting singly or in combination, and in any direction.
We can provide you standard and customized slewing bearings in various designs, with outside diameters from 0,1 to 18 m to meet the demands of particular applications.

Further to that, we can provide you as well Standard or custom-made slewing bearings from other wellknown manufacturers which are only specilized in this field. Please contact us for further information.

Slewing bearing with four-point contact ball bearing

Optimal economy and capacity for given dimensions, or when replacing existing multi-bearing arrangements

Slewing bearing with eight-point contact ball bearing

80% increase in capacity compared to a same-sized single row four-point contact ball bearings

Slewing bearing with crossed cylindrical roller bearing

High stiffness and constant resistance to rotation

Slewing bearing with triple row roller bearing

Provide highest capacity for a given diameter

Slewing bearing with wire race bearing

60% lighter compared to same-sized all-steel bearings

Customized slewing bearing

SKF has extensive experience in designing and manufacturing customized or special slewing bearings, for example, slewing bearing with combined roller/ball bearing (as shown), with segmented bearing or with inserted raceways bearing.

Features and benefits

Depending on their design, slewing bearings have the following features:

High load carrying capacity
High stiffness for rigid bearing application
Low friction
Long service life
Surface protection and corrosion resistance

Integration of additional features, including:

Driving mechanism
Control devices
Lubrication systems
Monitoring systems
Sealing cassettes

Standard or custom-made slewing rings

The quality and high precision of our products will ensure that your machines run smoothly and safely. Our range includes ball, cross-roller or roller bearings, and extends from standard slewing rings to customised rings according to your application requirements. Our suppliers design, research and development department, equipped with state-of-the-art test benches and calculation software, is at your service to offer innovative and adapted solutions.

Single or double row ball or roller bearings
Slewing rings with external, internal, spur, helical gear or without gear
Steel, titanium, aluminium, etc.
Surface treatment and/or corrosion protection
Standard or specific seals
Lubricated-for-life rings, food-grade grease

Applications

SKF and our further partners offers high-performance slewing bearings for a wide range of applications, including

Construction Equipment
Lifting and Handling
Process Industry
Power Generation
Marine
Others

Tower Cranes
Excavators
Drilling Equipments
Concrete pumps
Compacting machines
Graders
Tunnel boring machines
Stacker reclaimers

Telehandlers
Reachstakers
Aerial Platforms
Forestry vehicles
Agriculture Industry
Material handling
Mobile cranes

Pulp and paper
Bottle filling systems
Packaging
Thickeners

Wind turbines
Solar panels

Thrusters
Dockside and deck cranes
Winches
Loading arms
Marine pods
Offshore buoys
Tidal turbines

Antennas
Water treatment equipment
Mixers
Machine Tool
Medical Technology
Transportation
Rail vehicles
Surveillance systems (e.g. radars, cameras)
Metals

Rotating equipment performance

Are you getting 100% from your equipment? Address your specific performance needs through our wide assortment of products, technologies, services and flexible new business models

Generalized Bearing
Life Model (GBLM)

Choose the right bearing for the right application, every time. The GBLM lets SKF customers and distributors calculate whether a hybrid bearing will outperform a steel one in a given application – or not.