FEATURED PRODUCTS
Check out featured slewing bearings, slew drives, and spur gear drives in various designs for heavy machinery, such as cranes, excavators, earthmovers, solar trackers,machining and automation industries.
Four Point Contact Ball Slewing Bearing
Four-point contact ball slewing bearing is mainly composed of inner ring, outer ring, single-row steel balls, cage (or spacer), sealing device and other parts.
LDB SE Series Slew Drive
The SE series slewing drive is a type of worm gear driven slewing drive that features a compact design, high torque capacity, and precise rotation control.
SG-I Spur Gear Slewing Drive
SG-I series Spur Gear Slewing Drive is composed of a rotary bearing, gear, bearing seat, adapter flange, support bearing, seals, and other components.
Cross Roller Slew Bearing
Cross-roller slew rings are roller slew bearings with high rotational accuracy that are capable of receiving a load in any direction.
WE series Slewing Drive
WE series Slewing Drive is composed of a slewing bearing, worm, bearing housing, adapter flange, support bearing, sealings, and others.
SG-M Spur Gear Slew Drive
A SG-M spur gear slewing drive is a type of mechanical component that provides high load-carrying capacity and precise movement for various applications.
LDB PRODUCTS
LDB Bearing manufactures standard and customized slewing bearings, slew drives, and spur gear drives in various designs for heavy machinery, such as cranes, excavators, earthmovers, solar trackers,machining and automation industries.
Slewing Bearings
Slewing bearings are designed for large load-bearing capability and can manage a full range of heavy-duty mechanical equipment.
Slew Drives
Slew drives are an update to worm drive mechanisms and are made for applications that need rotational torque and load holding in the same gearbox.
Spur Gear Slew Drive
Spur gear slew drive is also called gear slewing reducer which is generally composed of pinion gears, turntable bearings, shells, motors, or motors.
Slewing Bearing Procurement: 10 Critical Mistakes That Cost You More Than Money
/in Bearing Knowledge, Slewing Bearing Knowledge /by LDB BearingThe Hidden Costs Behind a “Cheap” Slewing Bearing A slewing bearing is the literal pivot point of heavy machinery. When it fails, the entire machine stops. Yet many buyers treat slewing bearing procurement as a simple price comparison exercise—focusing on the invoice total while overlooking the costs that accumulate after installation. Consider this: industry data […]
Slewing Bearing Maintenance Best Practices for Harbor Cranes
/in Bearing Knowledge, Slewing Bearing Knowledge /by LDB BearingWhat Are Harbor Crane Slewing Bearings? Harbor crane slewing bearings are large-diameter rotating components that connect the crane base to the rotating upper structure, enabling 360° rotation while supporting extreme loads, dynamic forces, and harsh marine conditions. These Marine Crane Slewing Bearings are fundamentally different from land-based counterparts, featuring specialized design elements that address the […]
Four-Point Contact vs. Crossed Roller Bearings for Robotics
/in Bearing Knowledge, Slewing Bearing Knowledge /by LDB BearingUnderstanding Four-Point Contact and Crossed Roller Bearing Types Four-point contact ball bearings are single-row angular contact bearings where each ball contacts the raceway at four distinct points (two on the inner ring, two on the outer ring). This Gothic arch or double-circular arc raceway geometry allows a single bearing to handle axial loads from both directions, […]