Product Description

Product Description

Products details as:

 

Cross roller bearings

 

Competitive price 

 

Hot sales

 

Super popular 

 

High quality

 

High precision

 

High speed

 

Durable

 

Long life

 

Low noise

 

Other Models of Roller

item

value

Type

Slewing Bearing

Applicable Industries

Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Retail, Other

Feature

Four Point Contact

Gear Options

Internal Gear Only

Seals Type

seal

Package

Wooden Box

Warranty

12 Months

Structure

Single Row Four Contact Ball

Certificate

ISO9001:2008

Precision

P2 P4 P5 P6 P0

Quality

High-Quality

 

Model

Inner Dia.

Outer Dia.

Pitch Dia.

Weight

d(mm)

D(mm)

Dpw(mm)

m(Kg)

RU42

20

70

41.5

0.29

RU66

35

95

66

0.62

RU85

55

120

85

1

RU124(G)

80

165

124

2.6

RU124X

80

165

124

2.6

RU148(G)

90

210

147.5

4.9

RU148X

90

210

147.5

4.9

RU178(G)

115

240

178

6.8

RU178X

115

240

178

6.8

RU228(G)

160

295

227.5

11.4

RU228X

160

295

227.5

11.4

RU297(G)

210

380

297.3

21.3

RU297X

210

380

297.3

21.3

RU445(G)

350

540

445.4

35.4

RU445X

350

540

445.4

35.4

Application Scenarios

 

Related products

product-list-1.html

Company Profile

 

HangZhou Terry Machinery Co.Ltd is a leading supplier of bearings, Linear motion system for CNC , Ball transfer Unit and transmission component .the growing industrial and Favorable policy of HangZhou benefit the development of Terry Machinery .Our products are utilized in industrial, motorcycle, vehicle and Automation applications. Now we are exporting to 46 countries. including USA, GBR , Germany , Spain, Poland ,Turkey ect .The Goal of Terry Machinery to provide out customers with widest range of products at competitive prices, backed with the best Service.OUR ADVANTAGE Products Our major products & Supplied:Meet all the international standards and ISO9001 -TS1694 Certificate Big volume in Stock, No MOQ required Personnel Our salespersons are well trained to accommodate your requests and speak English for your conveniences.Our technicians and engineers Experience in the Industry area exceeds 23 years Service &Quality control ,We supply detailed drawings and offer when ever necessary,We help all customers promote and improve their sales.We inspect every piece of products by ourselves before delivery.

Packaging & Shipping

 

FAQ

 

Customer Praise

 

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Contact Angle: 0
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|

Order Sample

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

slewing bearing

Are there any Specific Design Considerations when Using Slewing Bearings in Heavy-Duty Applications?

When utilizing slewing bearings in heavy-duty applications, several specific design considerations are essential to ensure reliable performance, safety, and longevity. Here are key factors to keep in mind:

  • Bearing Selection:

Choose slewing bearings with higher load-carrying capacities that are specifically designed for heavy loads. Opt for designs that distribute loads evenly and minimize stress concentrations.

  • Load Distribution:

Heavy-duty applications often involve uneven load distribution due to various operational conditions. Bearing designs should account for these variations to prevent premature wear and failure.

  • Material Selection:

Select materials that can withstand heavy loads, shock loads, and potential impacts without deformation or fatigue. High-strength steels and advanced materials with excellent mechanical properties are often preferred.

  • Rolling Element Size and Quantity:

Increase the size and quantity of rolling elements to distribute heavy loads more effectively. Larger and more rolling elements can handle higher forces while reducing stress on individual elements.

  • Lubrication and Sealing:

Heavy-duty applications generate more heat and friction. Use appropriate lubrication methods and consider advanced sealing solutions to ensure proper lubricant retention and prevent contamination.

  • Mounting and Alignment:

Ensure accurate mounting and alignment to prevent unnecessary stress on the bearing components. Misalignment can lead to premature wear and reduced bearing life.

  • Structural Integration:

Integrate the slewing bearing into the overall machine design, considering factors like structural support, load paths, and interfaces with other components.

  • Dynamic Loading:

Heavy-duty applications often involve dynamic loading scenarios. Consider factors such as impact loads, acceleration, and deceleration when designing the bearing and its supports.

  • Heat Dissipation:

Heavy loads and continuous operation can generate heat. Design the bearing housing and cooling systems to dissipate heat effectively and prevent overheating.

  • Maintenance Access:

Design the bearing arrangement to allow for convenient maintenance and inspections. Access to lubrication points, seals, and other components should be easy to facilitate regular upkeep.

  • Load Surges and Shock Absorption:

Heavy-duty applications might experience sudden load surges or impacts. Incorporate shock-absorbing mechanisms or dampers to protect the bearing from excessive forces.

In summary, heavy-duty applications demand careful consideration of bearing selection, materials, load distribution, lubrication, and other design elements to ensure the reliable and durable performance of slewing bearings under substantial loads.

slewing bearing

What are the Common Maintenance Practices for Ensuring the Durability of Slewing Bearings?

Maintaining slewing bearings is crucial for ensuring their longevity and optimal performance. Here are some common maintenance practices to enhance the durability of slewing bearings:

  • Regular Inspection:

Perform routine visual inspections to check for signs of wear, corrosion, and damage. Inspect seals, lubrication levels, and any unusual noises or vibrations during operation.

  • Lubrication:

Follow the manufacturer’s guidelines for lubrication intervals and use appropriate lubricants. Lubricate the bearings to ensure smooth operation, reduce friction, and prevent wear.

  • Seal Maintenance:

Inspect and maintain seals to prevent the ingress of contaminants such as dust, dirt, and moisture. Damaged or worn seals should be replaced promptly.

  • Cleaning:

Regularly clean the bearing and its surrounding area to remove dirt, debris, and contaminants that could affect performance. Keep the bearing environment as clean as possible.

  • Environmental Protection:

If the bearings are exposed to harsh conditions, consider using protective covers or shields to prevent direct exposure to elements like water, chemicals, and abrasive materials.

  • Alignment and Mounting:

Ensure proper alignment during installation to prevent unnecessary stress on the bearing. Accurate mounting reduces the risk of misalignment-related failures.

  • Torque Monitoring:

If the bearing has gears, regularly monitor and maintain the torque levels to prevent overloading and premature wear.

  • Load Distribution:

Operate the machinery within the specified load limits to avoid overloading the bearing, which can lead to fatigue and failure.

  • Replacement of Worn Components:

If any components, such as seals or lubrication fittings, show signs of wear, replace them promptly to maintain the integrity of the bearing system.

  • Documentation:

Maintain records of maintenance activities, including lubrication schedules, inspections, and any repairs or replacements. This documentation helps track the bearing’s history and aids in decision-making.

  • Training:

Ensure that maintenance personnel are adequately trained to carry out proper inspection, lubrication, and maintenance procedures.

By implementing these maintenance practices, you can maximize the service life of slewing bearings, minimize downtime, and maintain consistent machinery performance.

slewing bearing

Can you Explain the Differences Between Single-Row and Double-Row Slewing Bearings?

Single-row and double-row slewing bearings are two common configurations with distinct characteristics. Here are the key differences between them:

  • Design:

A single-row slewing bearing consists of one row of rolling elements positioned between the inner and outer rings. In contrast, a double-row slewing bearing has two rows of rolling elements.

  • Load-Carrying Capacity:

Double-row slewing bearings generally have a higher load-carrying capacity compared to single-row bearings. The presence of two rows of rolling elements enables them to handle heavier axial, radial, and moment loads.

  • Stiffness:

Double-row bearings offer higher stiffness due to the additional row of rolling elements. This stiffness can be advantageous in applications where precise positioning and resistance to deflection are crucial.

  • Compactness:

Single-row slewing bearings are typically more compact and have a smaller profile compared to double-row bearings. This compact design can be advantageous in applications with limited space.

  • Cost:

Single-row slewing bearings are generally more cost-effective compared to double-row bearings. The increased complexity and higher load capacity of double-row bearings can result in higher manufacturing costs.

  • Applications:

Single-row slewing bearings are suitable for applications with moderate loads and rotational requirements, where compactness is important. Examples include small cranes, excavators, and material handling equipment. Double-row slewing bearings are often used in larger and heavier machinery, such as construction equipment, wind turbines, and heavy-duty cranes.

  • Performance Trade-offs:

While double-row bearings offer higher load capacity and stiffness, they may also introduce higher friction and slightly reduced rotational efficiency compared to single-row bearings due to the presence of additional rolling elements.

In summary, the choice between single-row and double-row slewing bearings depends on factors like load requirements, available space, and desired stiffness. Each configuration has its own advantages and trade-offs, allowing engineers to tailor their selection to the specific needs of the application.

China Good quality High Quality Cross Roller Bearing Slewing Ring Bearing Ru66uu Ru66   bearing assemblyChina Good quality High Quality Cross Roller Bearing Slewing Ring Bearing Ru66uu Ru66   bearing assembly
editor by CX 2024-05-16