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.

Port Crane Roller Slewing Bearing for Spare Parts Auto

Not Provided 16
8 Days 30 ~ 50

Double Roller Slewing Bearing for Construction Machine

Deep Groove Ball Bea 304 Stainless Steel
ZZ (Double Shield) 6

Heavy Slewing Bearing Rings for Port Machinery

29.77 mm 1.4
9.24 Hz 10.32 Hz

Construction Machinery Slewing Ring Bearings with Good Quality

304 Stainless Steel Provided
T-Shaped No

Slewing Bearing Precision Bearing Rings on Sale

200 °C 44.4 mm
80 mm 21.45 mm

Slewing Bearing Ring & Double Row Turntable for Semi Trailer Parts

Cylindrical Bore Set Oil Supply Type
Standard No

Slewing Bearing Rings for Crane High Quality Excavator

Square flange shape 55
Insert Bearing Unit No

Double- Row Ball Slewing Bearings Ring Standard 02 Series

1045 Carbon Steel Deep Groove Ball Bea
T-Shaped Single

Single Row Four Point Contact Ball Slewing Bearing 010.45.1600

Metric System Standard / Dust Proo
Steel 16**/6*** series

Double-Row Different Ball Diameter Slewing Ring Bearing for Tower Crane

Bearings with Housin Round Type
8 Days No

Factory Manufacture Trailer Parts Double Ball Slewing Bearing Rings Turntable

6.18 kg 27.1 Nm
75 mm 212 mm