Slew Ring Slew Bearing Worm Drive

• Holding Torque：105.8kn.M
• Tilting Moment Torque：203kn.M
• Output Torque：24.8kn.M
• Output Speed：1.5rpm
• Gear Ratio：125:1
• IP Class：IP65

=== Base Info ===

• Model NO.：WH21-125-BRH-REV. A
• Static Axial Load：1598kn
• Static Radial Laod：596kn
• Transport Package：Wooden Case
• Specification：WH21-125-25RH
• Trademark：Coresun Drive
• Origin：Changzhou
• HS Code：8483409000
• Production Capacity：5000PCS,Month

=== Description ===
Model Slewing BearingWH17BrandCorresun DriveHolding Torque105.8Kn.mTilting Moment Torque203Kn.mSelf-lockingYesGear Ratio102:1Outer Dia.584mmInner Dia.465mmRated Output Speed1.5rpmPrecison0.17°


CoreSun - Practical Slewing Drive&Slewing Bearing Promoter.  We are committed to researching, developing and applying high quality, precision transmission equipment products,who provides reliable mechanical actuator for horizonal single axis, dual-axis photovoltaic tracking system, CSP,CPV solar tracking design.Our professional and high-quality products will be also applied well as a steady solution on aerial working platform, truck crane, timber grab, drilling rig, spray equipment, hydraulic module vehicle,automated assembly lines, wind yaw systems,etc.

Slewing drive is 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.


Coresun Drive Slewing Drive Advantage:

Coresun Drive 21 inch products are usually used for large excavator and crane,because WH21 slewing drive has higher holding torque and tilting moment, it is the key point of heavy load equipment.Coresun Drive have improved the performance of worm shaft and end cap for 8 bolts to ensure the full strength on axis load for worm shaft side to add using life of slewing drive.

Coresun slewing drive advantage

WH series of products are the updated models of SD slewing drive. Reasonable and precise sealing structure are satisfied by the customers

Hourglass worm slewing drive is designed with much tooth contact surface between the worm and gear. The slewing bearing is machined by quenching treatment with stronger hardness, abrasive resistance and use life

Coresun use framework oil sealing on WH series of slewing drives. The sealing is made up of double lip arrangement, high quality steel and NBR. So WH slewing drive has the higher IP class.

WH slewing drive has the strong tilting moment torque and static self-locking function

Coresun Drive WH Slewing Bearing Production Photo and Application



Coresun Drive Relevant Certification as following 







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