Internal Gear Slewing Bearing
Brand: PRS
Category: Internal toothed/External toothed/Needleless
Size: Various sizes available, custom designs can be made to order
Thickness: Various sizes available, custom designs can be made to order
- Product Description
Internal Gear Slewing Bearing - Precision Rotary Solutions
When you need reliable rotational performance in heavy-duty applications, our Internal Gear Slewing Bearing delivers exceptional load capacity and operational efficiency. This specialized bearing combines the rotational bolster of conventional slewing rings with inside equip transmission, making it perfect for hardware requiring both overwhelming stack back and exact rotational control. The inside equip arrangement offers predominant assurance and longer benefit life compared to outside adapt options, guaranteeing your apparatus works easily in requesting mechanical environments.
What is an Internal Gear Slewing Bearing?
An Internal Gear Slewing Bearing features gear teeth machined on the inner ring, providing rotational transmission while supporting combined axial, radial, and moment loads simultaneously. This design integrates two critical functions: bearing rotation and gear transmission in a single compact unit.
The inner adapt setup offers a few operational preferences. The adapt teeth get way better security from natural contaminants due to their insides position. This secured area makes a difference keep up grease longer and diminishes equip wear altogether. Also, inside equipping makes lower contact stretch amid transmission, expanding operational life.
However, this plan requires cautious thought amid establishment and support arranging due to space imperatives for getting to the insides components.
Technical Specifications
| Parameter | Specification |
|---|---|
| Outer Diameter | 280mm - 8000mm |
| Inner Diameter | 120mm - 8000mm |
| Weight Range | 20kg - 8000kg |
| Gear Material | 42CrMo, 50Mn, Stainless Steel |
| Ring Material | 42CrMo, 50Mn |
| Gear Treatment | Hardened or Non-hardened (application dependent) |
| Seal Type | Multiple seal configurations available |
| Mounting Holes | Custom bolt patterns available |
| Operating Temperature | -40°C to +120°C |
| Lubrication | Grease or oil lubrication systems |
Structural Design and Working Principle
Core Components
The bearing consists of five primary elements:
- Outer Ring: Provides structural support and houses the raceway
- Inner Ring: Contains the internal gear and inner raceway
- Rolling Elements: Balls or rollers enabling smooth rotation
- Spacer/Cage: Maintains proper rolling element spacing
- Sealing System: Protects against contamination
Operating Principle
During operation, the rolling components disperse loads between the internal and external rings whereas empowering turn. The inner adapt networks with a pinion adapt to give controlled rotational development. This double usefulness dispenses with the require for isolated bearing and gearbox components.
The inner situating secures the adapt teeth from tidy, flotsam and jetsam, and dampness. This assurance altogether amplifies the oil interims and diminishes support prerequisites compared to outside equip designs.

Performance Advantages
Enhanced Durability
Our product design increases service life through improved gear protection and optimized load distribution. The internal gear experiences lower contact stress during transmission, reducing wear rates by up to 40% compared to external gear configurations.
Space Efficiency
The integrated design reduces overall equipment size and weight. You eliminate the need for separate gearboxes and coupling systems, simplifying machine design and reducing assembly complexity.
Improved Reliability
Multiple sealing barriers protect internal components from contamination. This protection maintains lubrication effectiveness longer and reduces unplanned maintenance downtime.
Operational Smoothness
Precision manufacturing ensures smooth rotation with minimal vibration. Our optimized gear tooth profiles reduce operational noise levels while maintaining transmission accuracy.
Applications and Industries
Internal gear slewing bearing serves critical functions across multiple industries:
Construction Gear: Excavators, portable cranes, and penetrating rigs advantage from the compact plan and overwhelming stack capacity.
Material Taking care of: Harbour cranes, transport loaders, and mechanical controllers require the exact rotational control these orientation provide.
Renewable Vitality: Wind turbine pitch and yaw frameworks utilize items for solid long-term operation.
Manufacturing Hardware: Welding robots, computerized gathering frameworks, and CNC machine devices depend on the accuracy and repeatability these orientation deliver.
Medical Hardware: CT scanners and mechanical surgical frameworks require the smooth, exact revolution that item units provide.
Why Choose Luoyang Precision Bearing?
Manufacturing Excellence
Our 15,000 m² generation office houses over 200 high-precision fabricating and testing machines. This gear empowers us to create orientation with breadths extending from 10mm to 5000mm with reliable quality.
Engineering Support
Our team of 35 technical engineers provides comprehensive application support. We help you select the optimal bearing configuration for your specific operating conditions and performance requirements.
Quality Assurance
We maintain factory pass rates exceeding 99.9% through strict quality control processes. Our quality management system complies with ISO 9001, ISO 14001, and ISO 45001 standards.
Custom Solutions
Beyond standard configurations, we offer customized product solutions tailored to your unique requirements. Our engineering team works with you to optimize bearing design for your specific application demands.
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.

Technical Support and Service
We provide complete lifecycle support for your bearing applications. Our technical team assists with bearing selection, installation guidance, and maintenance planning. For complex applications, we offer on-site consultation and application analysis.
For technical inquiries and custom bearing solutions, contact our engineering team at ljh@lyprs.com. We're ready to help you optimize your rotational system performance with our precision Internal Gear Slewing Bearing solutions.











