Flanged Slewing Bearings: Compact Power for Streamlined Engineering
What is a Flanged Slewing Bearing?
A Flanged Slewing Bearing is a specialized type of slewing ring designed with an integrated flange along either the inner or outer ring. This flanged design simplifies mounting, reduces weight, and enables integration into systems with tight spatial constraints. Unlike traditional slewing bearings that often require external mounting plates or supports, flanged bearings can be directly bolted to adjoining structures, improving installation efficiency.
Flanged slewing bearings are widely used in applications such as robotics, automation systems, lifting platforms, and small construction equipment—especially where compact design, lightweight assembly, and rapid installation are critical.

Structural Benefits
Integrated Flange Design
The flanged profile eliminates the need for separate mounting flanges or adapter rings, reducing system complexity.
Space and Weight Efficiency
Ideal for applications with compact mechanical envelopes. By reducing material bulk, flanged bearings help engineers save both space and weight.
Easy Mounting
The flange provides a straightforward, bolt-on solution that simplifies installation, maintenance, and replacement operations.
Reliable Load Handling
Despite their compact size, flanged bearings still maintain the ability to handle combined axial, radial, and moment loads.
Gear and Non-Gear Options
Available with internal gears, external gears, or no gear, depending on the torque transmission needs of the system.
Common Applications
Robotic Arms and Automated Equipment: For fast, accurate rotational motion in confined workspaces.
Turntables and Rotating Displays: Providing quiet and stable movement in commercial kiosks and stage equipment.
Aerial Lifts and Small Cranes: Ensuring safe rotation with minimum structural overhead.
Medical Devices: In diagnostic and surgical equipment where quiet and smooth rotation is vital.
Vehicle-Mounted Systems: Where low weight and vibration resistance are important.
LDB’s Flanged Slewing Bearing Lineup
LDB Bearing offers a full series of flanged slewing bearings tailored for space-sensitive industrial applications. All units are manufactured with premium 42CrMo or 50Mn steel, precision-ground raceways, and GCr15 steel rolling elements.
Technical Highlights:
Outer Diameter Range: 200 mm to 3000 mm
Flange Types: Inner flange, outer flange, dual flange on request
Sealing: Labyrinth and rubber seals for dust and moisture protection
Lubrication: Factory-greased and optionally fitted with lube nipples
Customization: Bolt patterns, gear modules, and preload tuning available
LDB also supports non-standard designs for integration into automated guided vehicles (AGVs), camera systems, or specialized industrial robots.
Pricing, Supplier, and Manufacturer Insights
As a seasoned manufacturer and global supplier, LDB has developed deep expertise in precision bearing design, serving clients across more than 50 countries.
Price Determinants:
Outer diameter and flange thickness
Gear type and tooth accuracy
Application-specific modifications
Surface coatings and mounting hole patterns
Typical Price Range: USD $150 to $2500 per unit depending on size, material, and gear configuration.
LDB provides full technical support from pre-sales consultation to post-installation diagnostics. Customers can request quotes, catalogs, and product models via LDB’s official platform.
Why Choose LDB for Flanged Slewing Bearings?
Fast prototyping and short lead times
CAD-integrated design support
ISO-certified production and strict QA process
Lightweight, durable bearings trusted by OEMs worldwide
Full-service support including application simulation and load analysis
LDB’s flanged slewing bearings have already been successfully implemented in medical automation, compact lifting platforms, and aerospace ground support systems.
Conclusion
Flanged Slewing Bearings strike the perfect balance between strength and simplicity. Their bolt-on versatility and compact form make them the preferred choice for engineers designing space-sensitive rotational systems. With LDB as your supplier and manufacturer, you gain the benefit of precision, scalability, and long-term reliability in a world-class product.