Bearings Name	New Model	Old Model:	ID(mm)	OD(mm)	Width(mm)	Cr(kN)	Cor(kN)	Grease Lubrication Speed(r/min)	Oil Lubrication Speed(r/min)	Weight(kg)
China Slewing Bearing, Slewing Driver, Slew Bearing	012.75.4000	-	3772	4226	174	-	-	-	-	3600.000
Heavy-Duty Slewing Drives – Low Noise	020.50.2500	-	2285	2715	190	-	-	-	-	1700.000

slewing drive is a compact and efficient gearbox that is used to provide rotational movement in heavy-duty applications. It consists of a slewing ring (also known as a Slewing Bearing) and a drive mechanism, typically a worm gear or a spur gear.

The slewing ring is a large, circular bearing that allows for smooth and controlled rotation. It is designed to support heavy loads and provide stability and durability in various industrial applications. The drive mechanism, either a worm gear or a spur gear, is responsible for transmitting power and torque to rotate the slewing ring.

Slewing drives are commonly used in applications that require 360-degree continuous rotation, such as cranes, excavators, wind turbines, solar trackers, and other heavy machinery. They are designed to handle high axial, radial, and moment loads, making them suitable for demanding and heavy-duty environments.

The main advantages of using slewing drives include:

1. Compact Design: Slewing drives are designed to be compact and lightweight, allowing for easy integration into various equipment designs.

2. High Load Capacity: Slewing drives are capable of handling large axial, radial, and moment loads, making them suitable for heavy machinery applications.

3. Smooth Rotation: The slewing ring provides smooth and precise rotational movement, allowing for accurate positioning and control.

4. Efficiency: Slewing drives are designed to provide high efficiency in transferring power, resulting in minimal energy loss during operation.

5. Maintenance and Lubrication: Some slewing drives are sealed and require minimal maintenance, while others may require periodic lubrication to ensure smooth operation and extended service life.

When selecting a slewing drive, factors such as load capacity, gear ratio, rotational speed, mounting options, and environmental conditions should be considered. Consulting with a slewing drive manufacturer or specialist can provide valuable guidance in choosing the right slewing drive for your specific application.

Slewing drive bearings are usually found in application such as:   wind turbines, heavy load transporters, solar trackers, harbor cranes, hydraulic equipment, crane steering mechanisms, automation systems, heavy load manipulators, yaw and pitch control tables.

Our company slew drives for almost any application. A slew drive is designed to handle radial or axial loads using high rotational torque. Equipment for mining, construction, metalworking and other applications that require unrelenting strength combined with faultless precision use slewing technology for safety and accuracy.

Our slew drives can cross over all major brands for an exact fit, and with tilting moment capacity of 1,475 foot-pounds. to 200,000 foot-pounds, you’re sure to find a perfect fit. All our slew drives are modular and come with a variety of options, including:

Single worm drives
Double worm drives
Hydraulic motors
Electric motors
Pneumatic motors
Encoders
Brakes
Tracking precision to 0 degrees
Open chassis
Enclosed chassis
Understanding the physics, types, functions and features of a slew drive is crucial to successful applications and optimal performance.