Gold Member Since 2012
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Luoyang Huayang Special Heavy-Duty and Large Bearing Manufacturing Co., Ltd.

Slew Drive, Slewing Drive, Slewing Gear manufacturer / supplier in China, offering 21 Inch Twin Worm Slew Drive for Container Crane, Tower Crane Slewing Ring Bearing Hsw. 30.880, Drawn Cup Needle Roller Bearing Sce87 and so on.

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Supplier Homepage Product Slewing Dirve 21 Inch Twin Worm Slew Drive for Container Crane

21 Inch Twin Worm Slew Drive for Container Crane

Purchase Qty.:
(Pieces)
1-19 20+
FOB Unit Price: US $1,200 US $1,180
Purchase Qty. (Pieces) FOB Unit Price
1-19 US $1,200
20+ US $1,180
Get Latest Price
Production Capacity: 100PCS/Month
Transport Package: Wooden Box
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: SD21-2
  • The Number of Rows: Single
  • Material: Bearing Steel
  • Load Direction: Axial, Radial and Tilting Moment
  • Company History: Since Year 1993
  • Size: 21inch
  • Warranty Period: 1 Year
  • Payment: Tt,LC
  • Custom Design: Available
  • Trademark: LYHY
  • Origin: Luoyang, China
  • Rolling Body: Ball Bearings
  • Outer Dimension: Extra Large (440mm)
  • Spherical: Non-Aligning Bearings
  • Separated: Unseparated
  • Brand: Lyhy
  • Structure: Dual Axis
  • Testing: in House
  • Application: Container Crane
  • Self Locking Gears: Yes
  • Specification: SGS
  • HS Code: 848210900
Product Description
Slewing Drive is also called slewing gear, worm gear, worm drive, rotary drive axle, rotary drive vice, slew drive, worm gear reducer and rotary drive unit. At present the majority of such devices are caller Slewing Drive.

Technical parameter for SD21-2 slew drives
21 Inch Twin Worm Slew Drive for Container Crane



Slewing drive introduction
1. Introduction of LYHY slewing drive


LYHY Slewing Drive movement can reduce power consumption, since the security role. In addition to the field of use in the daily solar power systems are usually used for Special vehicle, heavy-duty flat-panel truck, container cranes, truck mounted crane, automobile crane and aerial vehicles, cranes, gantry cranes, small wind power stations, space communications, satellite receiver, etc...The Slewing Drive in the solar photovoltaic industry, the general configuration DC planetary reduction motor or AC geared motors; Main configuration of the hydraulic motor as a power-driven construction machinery
LYHY Slewing Drive principle of the large transmission ratio of the deceleration device to transmit motion and power between the two axes staggered in space. The Slewing Drive transmission is usually the case of the main components of the worm and wheel bearings, shell, and the power source
As the core component of turntable bearings, can withstand the axial load, radial load and overturning moment.
21 Inch Twin Worm Slew Drive for Container Crane


2. Structure
Slewing drive can be divided into two different structures as per different applications.
Light load slewing drive
Heavy load slewing drive
The dimensions of slewing drives include 3 inch, 5 inch, 7 inch, 9 inch, 12 inch, 14 inch, 17 inch, 21 inch and 25 inch.

3. Features:
Slewing drive is a special bearing. And a slewing drive usually consist of slewing bearing, worm shaft, housing, bearing, motor and so on. Motor drive the worm shaft, the outer ring of slewing bearing will rotate, the outer ring output the torque through flange while the inner ring of slewing bearing is fixed in housing.
LYHY Slewing Drive and rotary products, compared with the ease of installation, ease of maintenance, Installation space savings advantages to a greater extent.

4. Application:
Slewing drives are widely used in aerospace area, solar power systems, wind turbines, satellite broadcasting system, and engineering machinery like truck cranes, and man lifts, etc. Recently years, it has been prosperously used in photovoltaic power generation systems, special vehicle, heavy-duty flat-panel truck, container cranes, truck mounted crane, automobile crane and aerial vehicles, cranes, gantry cranes, small wind power stations, space communications, satellite receiver, etc.
ModelRated output torque /KN-mTilting Moment torque /KN-mLoad /KNGear ratioSelf-locking gearsBoundary dimensions (mm)Weight (KG)
Static load rating, axialStatic load rating,radialDynamic load rating, axialDynamic load rating,radialLL1L2L3H2H3H4ΦDΦD1ΦD2ΦD3ΦD4ΦD5n1-Yn1-XHH1
3"0.20.53016.69.68.462:1yes34615311480 14.560.5125100 100 1266-M106-M1019010912
5"0.30.87622.613.811.862:1yes36116812893.724.6738161135103.570501206-M107-M102197918
7"113.513353322873:1yes398182166132.723.44.342.5237.5203.2163120.6981458-M1210-M122958123
9"7.333.9338135817161:1yes546314239174.1294.454.5316270222.517514520416-M1615-M1641110850
12"9.254.347519011410078:1yes556324285220274.458.5401.5358308.525922928918-M1619-M16500110.560
14"10.567.855522213311785:1yes547330303238283.559435.5390342.529526532518-M1623-M1653011073
17"14.5135.6975390235205102:1yes555338340275.3264.666522479.4425.5365.132440620-M1620-M16615126110
21"20.22031598640385335125:1yes6784613983333.34.576616584.2525.5466.7431.853236-M2035-M20732136.5158
25"22.52712360945590470150:1Yes678461467401.86.24.578.2744675620585512628.536-M2035-M20863133.2230
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