Slewing Ring Bearing Service Gmbh

Excavator slewing bearing

Excavator slewing bearing is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform.Compared to other rolling-element bearings, slewing bearings are thin in section and are often made in diameters of a metre or more.

 

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.
 

50 Mn EX200-5 hardened raceway and internal gear slewing bearing Retroceder
24 mm
17 º
China good supplier Truck Crane used Turntable Bearing slewing ring bearing
AXK3552, FNT-3552
Needle Roller Thrust
50 Mn Customized swing bearing single row steel ball slewing bearing Retroceder
1200 (sfm)
SAE 841, CT-1000-K26
Excavator PC400-5 internal Hardened gear raceway slewing ring bearing Retroceder
605790211034
1.6250 in
YC60-8 Excavator Parts Slewing Bearing Manufacturer On Sale
Normal Duty
Cast Iron - Nickel P
China replacement Hitachi excavator slewing ring bearings
14000
12mm
Excavator EX400-3 50 Mn raceway quenched internal gear slewing bearing Retroceder
0.5000 in
12.0000 in
PC300-6 Excavator Parts Slewing Ring Bearing Manufacturer
22 mm
15 mm
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Excavator slewing bearing
Double-Row Roller / Ball Combination Slewing Ring
Crossed Roller Bearing
CNC precision Worktable
Double-Row Ball Slewing Bearings
Ball and roller combined slewing bearing