Aerial Work Platform Slewing Bearing
Dimensions: 900*800*100mm
Machinable Size Range: 50-10,000mm
Customization is available to meet specific dimensional requirements.
Material: Ring Material: High-strength alloy steels such as 50Mn and 42CrMo.
Rolling Elements: Balls or rollers made of GCr15SiMn bearing steel.
Applications:Military helicopter platforms, offshore platforms
- Product Description
Aerial Work Platform Slewing Bearing - Heavy-Duty Rotation Solutions for Personnel Lifting Equipment
Aerial Work Platform Slewing Bearing is a safety-critical rotational component engineered for boom lifts, scissor lifts, and truck-mounted personnel platforms. These bearings utilize single-row four-point contact ball structure or Higher safety factor design, manufactured from 42CrMo or 50Mn alloy steel with specialized heat treatment. Our slewing rings deliver enhanced safety factors, high-grade NBR/FKM sealing systems, and precision rotation for demanding outdoor construction sites. With load capacities tailored to personnel lifting regulations and compatibility with global brands, our product addresses your concerns about equipment stability, service life, and operational safety.
Technical SpecificationsTechnical Specifications
Parameter | Standard Configuration | High-Precision Option |
Structure Type | Single-row four-point contact ball | Cross-roller |
Ring Material | 42CrMo / 50Mn alloy steel | 42CrMo heat-treated |
Raceway Hardness | 55-62 HRC (induction hardened) | 55-62 HRC (depth 3-5mm) |
Seal Type | NBR multi-lip seals | FKM high-temperature seals |
Diameter Range | 400mm - 3,000mm | Custom sizes available |
Safety Factor | Enhanced for personnel lifting | 1.5× standard industrial grade |
Precision Grade | P6 standard | P5 / P4 available |
Equipment Compatibility
Our Man Lift Slewing Ring, Manlift Turntable Bearing, Boom Lift Slewing Bearing, and Cherry Picker Turntable Bearing solutions serve multiple equipment categories:
Boom Lifts: Designed for telescopic and articulating models requiring smooth rotation under extended reach conditions.
Scissor Lifts: Heavy-duty rotation systems built to handle vertical load transfer and platform stability.
Truck-Mounted Lifts: Compact and reliable slew rings optimized for mobile platform installations.
Vertical Mast Lifts: Precision movement components ensuring accurate positioning in confined spaces.
OEM Brand Compatibility
Brand | Compatibility | Common Models |
JLG | 100% Equivalent | 450AJ, 600S, 800AJ, 1350SJP |
Genie | Direct Replacement | S-45, S-65, S-85, Z-45, Z-60 |
Haulotte | OEM Standard | HA16, HA20, HA26, HA32 |
Skyjack | Precision Fit | SJ63, SJ86, SJ1000 |



Engineering Solutions to Your Core Concerns
Load Capacity & Structural Integrity: Your worry about raceway fracture under heavy loads is addressed through finite element analysis and reinforced raceway design. Our 42CrMo material provides superior tensile strength (≥1,000 MPa) to prevent deformation.
Service Life & Wear Resistance: Concerned about frequent replacements? Our optimized heat treatment process extends bearing life to designed for extended service intervals. Specialized induction hardening creates a wear-resistant surface layer while maintaining core toughness.
Sealing Performance: Dust and mud ingress causes Contaminant ingress is a leading cause of premature bearing failure in construction environments. Our triple-sealing architecture combines labyrinth grooves with high-grade NBR/FKM seals to block contaminants while retaining lubrication.
Precision & Stability: Platform shaking damages operator confidence and violates safety standards. We maintain concentricity within 0.05mm through precision machining and control raceway runout to P5 grade, eliminating operational vibration.
OEM Replacement Compatibility: Installation mismatches waste your time and money. We provide 1:1 dimensional equivalents with verified drawings, ensuring bolt-hole alignment and gear module matching for direct fitment.
Fast Delivery: Equipment downtime costs thousands per day. The In Stock product ship within 7-15 days from stock. Custom setups take 4-6 weeks, depending on intricacy.
Corrosion Resistance: Coastal and marine environments accelerate rust. Our optional zinc-nickel coating and salt-fog-resistant grease protect against corrosion for 2,000+ hours (per ASTM B117).




On-Site Measurement & Reverse Engineering Service
When you face equipment downtime due to discontinued parts or lack original drawings, our engineering team provides comprehensive on-site measurement and reverse engineering services.
Service Process:
- Field Investigation: Engineers travel to your site with precision measurement instruments.
- Data Acquisition: We capture critical dimensions including outer diameter, bolt hole positions, gear module, and mounting interfaces.
- Wear Analysis: Detailed inspection of damage patterns informs optimized redesign.
- Reverse Modeling: We create CAD models and compensate for wear to improve reliability.
- Manufacturing: Complete production flow from forging through CNC machining, gear cutting, and final inspection.
- Installation Support: On-site guidance ensures proper assembly and commissioning.
Core Advantages:
- No Original Drawings Required: Achieve precise replacement without factory documentation.
- Cost Reduction: Save 30-50% compared to OEM import parts.
- Shortened Lead Time: Eliminate weeks of waiting for overseas suppliers.
- Performance Enhancement: Upgrade materials and sealing for better durability than original components.
- Non-Standard Customization: Accommodate special dimensions, gear designs, and mounting structures.
- Environment Adaptation: Optimize for salt fog, high dust, or extreme temperature conditions.
This service particularly benefits operators of aging fleets, imported equipment with poor spare parts availability, and special applications requiring non-standard dimensions.
Quality Assurance & Manufacturing Capabilities
Luoyang Heng Guan Bearing maintains ISO 9001 certification and RoHS compliance. Our production equipment includes CNC vertical lathes, CNC quenching machines, CNC gear shapers, and large gear hobbing machines capable of processing diameters from 50mm to 10,000mm.
Quality Control Process:
- Raw material verification (chemical composition analysis)
- In-process dimensional inspection (CMM coordinate measuring)
- Raceway hardness testing (HRC 55-62 verification)
- Gear tooth profile measurement (DIN 3962 compliance)
- Final assembly runout check (≤0.05mm for P5 grade)
- Batch consistency monitoring across production runs
Our products have been exported to over 50 countries including the United States, Germany, United Kingdom, Australia, and throughout the Middle East. We support OEM/ODM partnerships and provide engineering selection support, load calculation services, and installation guidance.
For Aerial Work Platform Slewing Bearing applications requiring fatigue resistance under continuous duty cycles, our engineers optimize the bearing cross-section and rolling element configuration to prevent raceway spalling and extend service intervals.
Exhibition
We attend many famous international exhibitions such as Shanghai International Maritime Exhibition,Mining World Russia, bauma China, CTT Russia, etc



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

Packaging & shipping
Every slewing ring experiences thorough quality control some time recently shipment. We utilize arrange measuring machines to confirm dimensional precision, vibration analyzers to survey rotational smoothness, and life testing hardware to reenact a long time of operational cycles.
Our fabricating forms comply with ISO 9001 quality administration guidelines. Items meet Din, ISO, and GB dimensional and execution details. RoHS compliance guarantees natural obligation all through our supply chain.
Full traceability goes with each arrange. Crude fabric certificates, warm treatment records, and last review reports report each fabricating stage.



Positive customer reviews
Our quality and service have received widespread praise from our customers.


FAQ
Q: Can your slewing bearing handle heavy platform loads?
A: Yes. Our reinforced raceway design withstands axial loads up to 120% of standard ratings, verified through finite element analysis.
Q: How long does the bearing last?
A: Typical service life exceeds 8,000 operating hours under normal conditions. Optimized heat treatment and wear-resistant materials extend replacement intervals.
Q: What if my equipment model is not listed?
A: We provide custom engineering based on your equipment drawings or on-site measurements. Non-standard dimensions are our specialty.
Q: Do you offer installation guidance?
A: Absolutely. We supply detailed installation manuals and can arrange field support for critical projects.
Contact Us
Need technical specifications for your specific aerial platform model with Aerial Work Platform Slewing Bearing? Send your equipment details and application requirements to mia@hgb-bearing.com for engineering consultation. Our team provides load calculations, dimensional drawings, and sample availability confirmation. Download our technical catalog or request compatibility verification to ensure optimal bearing selection for your personnel lifting equipment.




