China manufacturer Stock Popular Helical Gear Single Worm Gear Reduction Drive Slew Drive Se475 Se710 Se808 cycle gear

Product Description


Product Description

Slewing drive is a full cycle rotary reduction transmission mechanism that integrates a driving power source. It uses a rotary bearing as the driving follower and mechanism attachment, and attaches an active component, driving source, and cover to 1 of the inner and outer rings of the rotary bearing. The other ring is used as both the driving follower and the connecting base of the driven working component. This makes use of the characteristic that the rotary bearing itself is a full cycle rotary connection, Efficiently configuring the driving power source and main transmission components, making it a universal deceleration transmission mechanism that integrates rotation, deceleration, and driving functions, while also having a simple structure and easy manufacturing and maintenance.

Product Parameters

Name Code Unit Value   Name Code Unit Value
Module m mm 3 Module m mm 5
Reduction ratio i 106:1 Reduction ratio i 122:1
Raceway diameter Do mm 475 Raceway diameter Do mm 500
Overturning moment M N.m 168000 Overturning moment M N.m 184500
Torque Ma N.m 14100 Torque Ma N.m 14800
Weight W Kg 121 Weight W Kg 169

Name Code Unit Value   Name Code Unit Value
Module m mm 5 Module m mm 5
Reduction ratio i 126:1 Reduction ratio i 152:1
Raceway diameter Do mm 525.5 Raceway diameter Do mm 630
Overturning moment M N.m 203000 Overturning moment M N.m 296000
Torque Ma N.m 15300 Torque Ma N.m 18200
Weight W Kg 190 Weight W Kg 216

Name Code Unit Value   Name Code Unit Value
Module m mm 6 Module m mm 6
Reduction ratio i 138:1 Reduction ratio i 154:1
Raceway diameter Do mm 710 Raceway diameter Do mm 808
Overturning moment M N.m 380000 Overturning moment M N.m 488000
Torque Ma N.m 16500 Torque Ma N.m 18000
Weight W Kg 290 Weight W Kg 450

Name Code Unit Value   Name Code Unit Value
Module m mm 5 Module m mm 5
Reduction ratio i 61:1 Reduction ratio i 78:1
Raceway diameter Do mm 222.5 Raceway diameter Do mm 312.5
Overturning moment M N.m 25200 Overturning moment M N.m 51200
Torque Ma N.m 6500 Torque Ma N.m 7500
Weight W Kg 36 Weight W Kg 41


Company Profile

HangZhou solarich machinery Co., Ltd. is a professional manufacturer of bearings, We can design and manufacture single-row ball slewing bearings, double-row ball slewing bearings, three-row roller slewing bearings, ball combination slewing bearings, crossed roller bearings, crossed tapered roller bearings Bearings, slewing drives and custom bearings.

The company has 1 of the earliest group of R & D, design and manufacturing personnel who apply slewing drive to various mechanical products. In construction machinery, we have experienced rich practice and accumulated valuable experience in the application of slewing drive in engineering machinery, mining machinery, agricultural machinery, and specialized vehicles. 

Adhering to the business philosophy of “Quality and Integrity”, we will continue to provide excellent bearings and high-quality services to serve global customer.


Packaging & Shipping


Q: Are you trading company or manufacturer?
A: We are bearing manufacturer.

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.

Q: Is sample avaiable?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.

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Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Step: Single-Step
Layout: Three-Ring
US$ 1/Piece
1 Piece(Min.Order)


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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

gear drive

What safety precautions should be taken when working with gear drives?

Working with gear drives requires adherence to specific safety precautions to ensure the well-being of individuals involved. Here’s a detailed explanation:

1. Personal Protective Equipment (PPE):

– Wear appropriate personal protective equipment, such as safety glasses or goggles, gloves, and close-toed shoes, to protect against potential hazards.

– Use hearing protection if working in close proximity to gear drives that produce excessive noise.

2. Lockout/Tagout:

– Implement lockout/tagout procedures to isolate and de-energize gear drives before performing maintenance or repair tasks.

– This ensures that the equipment cannot be accidentally energized, preventing potential injury from unexpected movement or activation.

3. Training and Familiarity:

– Ensure that personnel working with gear drives are adequately trained and familiar with the equipment’s operation and safety procedures.

– Provide training on proper use, maintenance, and potential risks associated with gear drives.

4. Risk Assessment:

– Conduct a thorough risk assessment of the work area and gear drives to identify potential hazards and implement appropriate control measures.

– Address issues such as pinch points, entanglement hazards, and potential for falling objects.

5. Proper Installation and Maintenance:

– Follow manufacturer guidelines for the installation, setup, and maintenance of gear drives.

– Regularly inspect gears, shafts, bearings, and lubrication systems for signs of wear, damage, or malfunction.

– Perform maintenance tasks only when the gear drive is de-energized and properly locked out.

6. Guarding and Enclosures:

– Install appropriate guards and enclosures around gear drives to prevent accidental contact with moving parts.

– Ensure that guards are securely in place and not removed or bypassed during operation.

7. Proper Lifting and Handling:

– Use proper lifting techniques and equipment when moving or installing gear drives.

– Gear drives can be heavy and require mechanical means, such as cranes or forklifts, for safe handling.

8. Reporting and Addressing Safety Concerns:

– Encourage a culture of reporting and addressing safety concerns related to gear drives.

– Promptly address any identified safety issues or incidents to prevent future accidents.

It is essential to remember that these safety precautions serve as general guidelines, and specific precautions may vary depending on the type and size of the gear drives and the working environment. Always refer to the manufacturer’s instructions and consult with relevant safety professionals to ensure compliance with specific safety requirements.

gear drive

What is the role of gear drives in automotive transmissions?

Gear drives play a crucial role in automotive transmissions. Here’s a detailed explanation:

1. Speed and Torque Conversion:

– Automotive transmissions use gear drives to convert the engine’s rotational speed and torque into the appropriate output for the wheels.

– By selecting different gear ratios, gear drives enable the transmission to adjust the speed and torque delivered to the wheels based on driving conditions and desired performance.

2. Gear Shifting:

– Gear drives facilitate gear shifting, allowing the driver to select different gear ratios to match the vehicle’s speed and load requirements.

– Depending on the transmission type (manual or automatic), gear drives are responsible for engaging and disengaging the gears during gear shifting operations.

3. Power Transmission:

– Gear drives transmit power from the engine to the wheels, enabling the vehicle to move.

– They transfer torque from the engine’s crankshaft to the transmission output shaft, which is connected to the wheels through the drivetrain.

4. Forward and Reverse Operation:

– Gear drives in automotive transmissions allow the vehicle to move both forward and backward.

– By engaging different gear combinations, the transmission can reverse the direction of power flow, enabling the vehicle to go in reverse.

5. Gear Reduction and Overdrive:

– Gear drives in transmissions provide gear reduction or overdrive capabilities.

– Gear reduction allows the engine to operate at higher RPMs while reducing the output speed, providing more torque for climbing steep inclines or towing heavy loads.

– Overdrive gears, on the other hand, allow the engine to operate at lower RPMs, reducing fuel consumption and engine wear during highway cruising.

6. Synchronizing and Noise Reduction:

– In manual transmissions, gear drives incorporate synchronizer mechanisms to facilitate smooth gear engagements and minimize gear clash.

– These synchronizers match the speeds of the gears before engagement, reducing wear on the gear teeth and enhancing shifting comfort.

– Gear drives can also incorporate noise reduction measures, such as helical or hypoid gears, to minimize gear noise and vibration during operation.

Overall, gear drives in automotive transmissions are essential for speed and torque conversion, gear shifting, power transmission, and enabling the vehicle to move in both forward and reverse directions. They provide the necessary mechanical advantage and flexibility to optimize engine performance, fuel efficiency, and driving dynamics, making them a fundamental component in the operation of automobiles.

gear drive

How do you calculate the gear ratio in a gear drive?

Calculating the gear ratio in a gear drive involves determining the relationship between the number of teeth on the driving gear (pinion) and the number of teeth on the driven gear. Here’s a detailed explanation:

The gear ratio is defined as the ratio of the number of teeth on the driven gear to the number of teeth on the driving gear. It represents the speed or torque multiplication or reduction achieved by the gear drive.

The gear ratio (GR) can be calculated using the following formula:

GR = Number of teeth on driven gear / Number of teeth on driving gear

For example, consider a gear drive with a driving gear (pinion) having 20 teeth and a driven gear having 60 teeth. The gear ratio can be calculated as follows:

GR = 60 (driven gear) / 20 (driving gear) = 3

In this case, the gear ratio is 3:1, indicating that for every three revolutions of the driving gear, the driven gear completes one revolution. This represents a speed reduction, with the driven gear rotating at one-third the speed of the driving gear.

It’s important to note that the gear ratio can be expressed in different formats, such as a decimal, fraction, or as a ratio. The choice of representation depends on the specific requirements and conventions of the gear drive application.

Additionally, it’s worth mentioning that gear drives can have multiple gears arranged in series or parallel, forming gear trains. In such cases, the overall gear ratio is calculated by multiplying the individual gear ratios of each gear pair in the train.

When designing or selecting gear drives, calculating the gear ratio is essential for determining the speed reduction or increase and torque amplification provided by the gear system. It enables engineers and designers to match the gear drive to the desired operational requirements of the mechanical system.

China manufacturer Stock Popular Helical Gear Single Worm Gear Reduction Drive Slew Drive Se475 Se710 Se808 cycle gearChina manufacturer Stock Popular Helical Gear Single Worm Gear Reduction Drive Slew Drive Se475 Se710 Se808 cycle gear
editor by Dream 2024-05-16