Mini Excavator Swing Bearing

1.Product Introduction: Customized to fit 1 - 6 tons of small excavators, it can withstand the impact loads and overturning moments during operation, is waterproof and dustproof, and suitable for outdoor complex working conditions.
2.Structure Type: It has a compact annular shape. The inner ring is connected to the machine body, and the outer ring is connected to the slewing platform. It has built-in single-row or double-row steel balls. The raceways are quenched, with double seals on the outside (rubber + dust ring), and the hole positions precisely match the machine body.
3.Size Range: Outer ring diameter: 400 - 1500mm, inner ring diameter: 350 - 1350mm, height: 20 - 60mm.
4.Material: Inner ring / outer ring: 50Mn, 42CrMo; rolling elements: GCr15 bearing steel, GCr15SiMn (optional for impact resistance); seals: nitrile rubber, fluororubber (optional for oil and high temperature resistance).
5.Application Fields: 1 - 6 tons of small excavators (for connecting the slewing platform), small loaders, micro engineering machinery.
6.Key Inspection Items: Quenching hardness (HRC55 - 60), anti-sediment performance of seals.

Product Description

High-Performance Mini Excavator Swing Bearing – Precision Engineered for Heavy-Duty Cycles

30+ Years of OEM Manufacturing Expertise | 48-Hour Standard Delivery | Custom Solutions in 20 Days

When your mini excavator swing bearing fails, downtime costs pile up fast. At LUOYANG INNO BEARING CO., LTD, we engineer products that endure extreme loads, harsh environments, and relentless rotation cycles. With 30+ years of expertise, we deliver bearings that outlast competitors by 20%—backed by ISO 9001 certifications and a 99.9% defect-free guarantee.

Technical Specifications: Built for Maximum Durability

Parameter Specification
Materials 50Mn, 42CrMo rings | GCr15 bearing steel balls
Load Capacity Dynamic 50–350 kN·m | Static 100–600 kN·m
Precision <0.05mm radial runout (ISO 2768-mK)
Seals Triple-layer NBR/FKM seals (IP67)
Sizes OD 400–1500mm | Height 20–60mm

Why Choose Our Mini Excavator Swing Bearings?

  • Rapid Customization: Reverse-engineer legacy bearings or create new designs in 20 days.
  • Proven Lifespan: 15,000+ operational hours under dynamic loads, validated by 12+ quality tests.
  • Global Stock: 1,000+ standard bearings ready to ship within 48 hours.
  • End-to-End Support: Installation guidance, predictive maintenance plans, and IoT monitoring tools.

Key Applications: Where Performance Matters

1–6 Ton Mini Excavators
Connect slewing platforms to chassis with precision-fit mini excavator swing bearing.

High-Impact Scenarios
Withstand overturning moments during digging, lifting, and trenching.

Harsh Environments
Operate flawlessly in -30°C to 120°C temperatures and abrasive soil.

3-Stage Quality Assurance

  1. Material Checks: Spectral analysis for steel purity | Impact toughness testing.
  2. Production Monitoring: Hardness mapping | Raceway grinding accuracy (<0.01mm tolerance).
  3. Final Validation: Rotational torque tests | Seal pressure resistance (up to 3 bar).

FAQs

Q: How do you achieve faster lead times for custom bearings?
A: Our modular production system cuts 30% off standard timelines—prototypes in 20 days.

Q: What makes your seals IP67-rated?
A: Dual rubber + dustproof layers, tested under 1m water immersion for 30 minutes.

Q: Can you match legacy excavator bearing specs?
A: Yes! Send drawings or samples—we'll reverse-engineer a precision-fit bearing solution.

Q: Do you support IoT integration?
A: Ask about bearings with embedded sensors for real-time wear monitoring.

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