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NSK 6203ddu Bearing

 

Daewoo Slewing Bearing

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.

turntable bearing for earth moving machine
turntable bearing for earth moving machine
Medium Series
110 mm
excavator parts single row ball bearing slew ring bearing
excavator parts single row ball bearing slew ring bearing
150.00 mm
60 mm
China leading supplier slewing ring for motor grader
China leading supplier slewing ring for motor grader
0.083 in
1200 rpm
Internal Gear Excavator Replacement  Slewing Bearing
Internal Gear Excavator Replacement Slewing Bearing
167258 lbf
240 mm
large size China brand slewing bearing for bulk handling equipment
large size China brand slewing bearing for bulk handling equipment
15.2 kN
UK207G2H-18
2019 bauma high quality used for ball bearing turntable trailer slewing ring
2019 bauma high quality used for ball bearing turntable trailer slewing ring
Single
[Steel] Steel
High Precision Slewing Bearing For Robotic Positioner
High Precision Slewing Bearing For Robotic Positioner
EX201G2L3
R1/8"
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