Swing Bearings

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A bearing is a machine element that constrains relative motion to only the desired motion, and reduces friction between moving parts. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts. Most bearings facilitate the desired motion by minimizing friction. Bearings are classified broadly according to the type of operation, the motions allowed, or to the directions of the loads (forces) applied to the parts.


Bearings reduce friction between two objects, which allows moving parts to run smoother. Bearings are divided into two main categories: thrust bearings and radial bearings. Thrust bearings support axial loads, which are parallel to the axis of rotation, while radial bearings support turning shafts perpendicular to the axis of rotation. Depending on the application, there is a wide range of bearings to choose from. Common types of bearings include ball bearings, split bearings, and roller bearings. Bearings are also available in mounted, unmounted, and flange styles. Ball bearings are the most common type of bearing and are used in applications requiring support of smaller loads. Split bearings are ideal for hard-to-reach places and quick installation while roller bearings are suitable for heavier loads. Roller bearings are generally available in three styles: tapered roller bearings, cylindrical roller bearings, and spherical roller bearings. Key elements to consider when selecting bearings are outer diameter and the shaft diameter the bearing will fit.

Slewing Bearing Ring with External Gear Used for Excavator

2100 Metric System
Steel Radial

Slewing Gear Bearing for Aerial Work Platform

Steel Ball
Steel Radial

Turntable Slewing Ring Bearing for Textile Machinery 30p. 0273.16.000

52 Grade 5
Double Shielded 15900

My Favoritesslewing Ring Bearing for Robotic Welding System 010.19.720

45 ~ 65 8 Days
Deep Groove Ball Bea Flanged Pilot Type

High Quality New Tower Crane Slewing Ring Bearings Supplier in China

310 mm 7.9 kg
80 mm P311-

Worm Drive Slewing Ring Double Row

84823080 470 rpm
366 mm N/A

China Factory Trailers Parts Single Row Ball Slewing Bearing Turntables

7.5 mm 62 mm
51 mm US205G2T20

42CrMo Heavy Slewing Bearing Ring Forging Rolled Ring

SCC206 25 mm
PAE206N- 3.7 Nm

Double- Row Ball Slewing Ring Bearings Standard 02 Series

Bearings with Housin Round Type
6 [Steel] Steel

Large Turntable Ball Slewing Bearing Bearing for Plastic Extruder 010.25.1502

Clear Anodize Flanged Pilot Type
Available 6