slewing bearings
Brand: PRS
Category: Internal Gear/External Gear/Gearless
Dimensions: Inner Diameter 434mm, Outer Diameter 640.3mm
Thickness: 56mm
- Product Description
Slewing Bearings - High-Precision Rotational Solutions for Heavy-Duty Applications
Slewing bearings, also known as turntable orientation or slewing rings, are specialized large-diameter orientation outlined to oblige pivotal, spiral, and minute loads at the same time. These basic components serve as the rotational establishment for cranes, excavators, wind turbines, and other overwhelming apparatus where routine bearing courses of action cannot meet the requesting operational requirements.
Understanding Slewing Bearing Technology
Core Design Principles
Slewing bearings feature a special structure that coordinating different load-carrying components inside a single compact unit. The bearing comprises of inward and external rings with rolling components situated between absolutely machined raceways. This arrangement disposes of the require for complex shaft frameworks whereas giving extraordinary stack dispersion over the whole bearing circumference.
The rolling components can be balls or rollers, depending on the particular stack prerequisites. Ball-type plans exceed expectations in applications requiring smooth revolution beneath direct loads, whereas roller arrangements give predominant stack capacity for heavy-duty operations.
Working Rule and Stack Management
The essential advantage lies in the bearing's capacity to oversee combined stacking conditions. Conventional heading regularly handle either outspread or pushed loads viably, but items oblige all stack sorts through their coordinates design.
Axial Stack Dealing with: The flat raceway surfaces convey vertical powers equally over different contact focuses, avoiding localized stretch concentrations that may lead to premature failure.
Radial Stack Administration: The vertical raceway geometry guarantees ideal stack exchange for flat strengths, keeping up bearing soundness amid operation.
Moment Stack Resistance: The expansive breadth and disseminated contact design give remarkable resistance to upsetting minutes, basic for applications like crane booms and excavator arms.
Product Configuration Options
Single-Row Ball Design
| Parameter | Specification |
|---|---|
| Load Capacity | Light to moderate |
| Rotation Speed | Higher RPM capability |
| Precision Grade | Up to P4 |
| Typical Applications | Small cranes, positioning tables |
Double-Row Configurations
| Parameter | Specification |
|---|---|
| Load Capacity | Medium to heavy |
| Contact Angle | Optimized for combined loads |
| Rigidity | Enhanced structural stiffness |
| Applications | Mobile cranes, construction equipment |
Triple-Row Roller Systems
| Parameter | Specification |
|---|---|
| Load Capacity | Maximum heavy-duty |
| Diameter Range | 1000mm - 5000mm |
| Load Distribution | Separate axial and radial paths |
| Applications | Mining equipment, large excavators |
Gear Integration Options
Many applications require coordinates adapt frameworks for rotational drive. We offer three essential configurations:
External Adapt: Adapt teeth machined on the external ring border, reasonable for pinion drive frameworks with tall lessening ratios.
Internal Adapt: Teeth found on the internal ring bore, empowering compact drive courses of action with outside pinions.
Gearless Plan: No coordinates teeth, permitting for elective drive strategies such as grinding drives or isolated adapt coupling.

Material Selection and Quality Standards
Our manufacturing process utilizes premium bearing steels including 50Mn, 42CrMo, and specialized alloys for enhanced performance. Heat treatment processes ensure optimal hardness distribution while maintaining core toughness for impact resistance.
Quality control follows ISO 9001 standards with precision measurement at every manufacturing stage. Surface finish specifications meet international bearing standards, ensuring smooth operation and extended service life.
Application Engineering Support
Proper slewing bearing selection requires careful analysis of your specific operating conditions. Our technical team evaluates factors including:
- Load magnitude and direction variability
- Rotational speed and duty cycle requirements
- Environmental conditions and sealing needs
- Mounting interface compatibility
- Lubrication system integration
We provide comprehensive application support from initial concept through installation and maintenance planning.
Packaging & shipping
Your goods are unique, and their journey should be flawless. Therefore, we offer professional and customized packaging services. Our experienced team will evaluate your goods' characteristics, transportation route, and environmental requirements to recommend the most secure solution.

Certificaiton

Partners
Your trust, we cherish in heart all times and will reciprocate that trust with unwavering quality.

Why Choose PRS® Slewing Bearings
With over 20 years of precision bearing manufacturing experience, Luoyang Precision Bearing Co., Ltd. delivers engineered solutions that meet the demanding requirements of modern industrial equipment. Our 15,000 m² manufacturing facility houses advanced production equipment capable of processing bearings from 10mm to 5000mm diameter.
Our technical team of 35 engineers ensures that each slewing bearing design meets your specific performance criteria while maintaining cost-effectiveness for your application.
For detailed technical specifications or application consultation, contact our engineering team at ljh@lyprs.com. We're ready to help you select the optimal slewing bearings solution for your equipment requirements.
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