Premium Custom Slewing Bearings: Engineered for Heavy-Duty Precision
As a premier manufacturer specializing in rotational motion solutions, we understand that standard components do not always suffice for complex machinery. A custom slewing bearing (also known as a turntable bearing or swing bearing) is the heart of your equipment, responsible for handling combined loads while enabling precise rotation.
We provide tailored engineering solutions designed to replace imports and meet specific OEM requirements, ensuring your heavy machinery operates with maximum efficiency and longevity.
🛠️ Product Performance & Quality Assurance
Our custom slewing bearings are manufactured using high-grade materials and advanced heat treatment processes to withstand extreme operating conditions. We focus on three core performance metrics:
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High Load Capacity: Engineered to simultaneously support heavy axial loads, radial loads, and tilting moments. Whether for a wind turbine or a mining excavator, our bearings ensure structural stability.
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Precision & Rigidity: utilizing advanced grinding processes, we achieve high rotational accuracy (P4, P5, P6, P0 grades). Our pre-loaded designs eliminate internal clearance, providing superior rigidity for precision applications like robotics and radar systems.
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Durability: We employ induction hardening or through hardening on raceways to ensure high surface hardness and deep hardening layers. Combined with multi-lip seals, our bearings offer excellent resistance against wear, corrosion, and contamination in harsh environments.
⚙️ Technical Specifications
We offer a comprehensive range of designs to suit various spatial and load constraints. Our manufacturing capabilities cover diameters ranging from 50mm to 10,000mm.
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Feature
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Specification Details
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Product Type
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Single-row Four-Point Contact Ball, Double-row Ball, Crossed Roller, Three-Row Roller
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Material
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42CrMo, 50Mn, 100Cr6, or Custom Alloy Steel
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Gear Options
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External Teeth, Internal Teeth, or Gearless
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Hardness
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Raceway: 55-62 HRC; Gear: 50-55 HRC
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Sealing
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Rubber Seals (NBR), Steel Guards, or Labyrinth Seals
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Lubrication
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Grease Fittings (Standard or Custom Placement)
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Mounting
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Bolted Connections (Tapped or Through Holes)
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Note: We specialize in non-standard customization. If your application requires a specific flange design, special coating, or unique gear module, our engineering team can bring your drawings to life.
📜 Certifications & Standards
Quality is not just a promise; it is a documented standard. Our manufacturing processes adhere to rigorous international protocols to ensure compatibility and safety globally.
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ISO 9001: Certified Quality Management System ensuring consistent production quality.
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JB/T 2300: Compliance with the standard mechanical industry requirements for slewing bearings.
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GB/T 307: Adhering to rolling bearing tolerance standards.
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Custom Compliance: We can manufacture according to DIN, ANSI, or specific client drawings for export to Europe, the Americas, and Asia.
🤝 Professional Services (OEM/ODM)
We go beyond simple manufacturing. As your engineering partner, we provide value-added services:
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Custom Design & Calculation: Our engineers use finite element analysis (FEA) to verify load capacity and life expectancy before production begins.
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Import Replacement: We can reverse-engineer and manufacture replacements for discontinued or expensive imported bearings (e.g., Rothe Erde, Liebherr, ThyssenKrupp standards).
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Rapid Prototyping: Fast turnaround for sample production to validate your machine design.
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After-Sales Support: We provide lifetime technical consultation and rapid response to quality inquiries (24-hour resolution protocol).
🏗️ Key Applications
Our custom slewing bearings are critical components in a wide variety of industries:
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Construction & Earthmoving: Excavators, cranes (tower, mobile, crawler), and concrete pump trucks.
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New Energy: Pitch and yaw drives for wind turbines and solar tracking systems.
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Industrial Automation: Robotic arms, welding positioners, and CNC rotary tables.
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Marine & Defense: Ship cranes, radar antennas, and missile launchers.
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Medical & Entertainment: CT scanners, rotating stages, and amusement park rides.
❓ Frequently Asked Questions (FAQ)
Q1: What is the lead time for a custom slewing bearing?
A: Standard customizations typically take 4-6 weeks depending on the size and complexity. Large diameter or highly specialized bearings may require a specific timeline discussed during the quotation phase.
Q2: Can you manufacture bearings for high-temperature environments?
A: Yes. We can utilize special heat treatments and high-temperature resistant grease/seals for applications such as steel mills or foundries.
Q3: Do you provide installation guides?
A: Absolutely. Every shipment includes detailed installation manuals, torque specifications for bolts, and grease compatibility charts to ensure proper assembly.
Q4: What is your minimum order quantity (MOQ)?
A: As a manufacturer, we can accommodate low MOQs for prototypes, but we offer competitive pricing tiers for bulk production orders.
Q5: How do I select the right slewing bearing for my project?
A: Please provide your load data (axial, radial, moment), mounting dimensions, and space constraints. Our team will calculate the safety factor and recommend the optimal series (e.g., 01 Series, 11 Series, 13 Series).
