Daewoo Slewing Bearing

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Daewoo  slewing bearing is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill.
Compared to other rolling-element bearings, slewing bearings are thin in section and are often made in diameters of a metre or more; the slewing bearings on the Falkirk Wheel are 4 metres diameter and fit over a 3.5 metre axle.

Slewing bearings often use two rows of rolling elements. They often use three race elements, such as an inner ring and two outer ring "halves" that clamp together axially.

Slewing bearings are often made with gear teeth integral with the inner or outer race, used to drive the platform relative to the base.

As for other bearings that reciprocate, rather than rotating continuously, lubrication can be difficult. The oil wedge built up in a continuously rotating bearing is disrupted by the stop start motion of slewing. Instead, a hydrostatic bearing with pumped oil flow may be used.

crown rotation and slewing swivel for drilling dig in China fast delivery time and cheap price

110 °C 28 mm
0.6 mm 0.13 kN

steel slewing ring with corrosion resistence and bear high temperature slewing bearing

0.75 kN 12.2
33.6 mm 23.5 kN

turntable bearing for earth moving machine

Medium Series 110 mm
102063 lbf 3.9 in

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150.00 mm 60 mm
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0.083 in 1200 rpm
900 rpm 9.500 in

Internal Gear Excavator Replacement Slewing Bearing

167258 lbf 240 mm
Light Series 7.4 in

large size China brand slewing bearing for bulk handling equipment

15.2 kN UK207G2H-18
H2307-18 27 mm

2019 bauma high quality used for ball bearing turntable trailer slewing ring

Single [Steel] Steel
DD (Contact Rubber S Yes (with retaining

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EX201G2L3 R1/8"
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truck crane parts slewing bearing manufacturer

108 mm -20 °C
242 mm 94 mm