Belparts E385C swing bearing for excavator spare parts

Belparts E385C swing bearing for excavator spare parts
 

 
 
The excavator slewing ring (also called swing bearing) is a core component that connects the upper structure (cab, engine, etc.) with the undercarriage (track frame), enabling 360° unlimited rotation. Manufactured from high-strength alloy steel, it withstands enormous axial, radial, and moment loads.

Maintenance and Repair Procedures

 Routine Maintenance

1. Lubrication

   • Use ISO VG 150–220 grease (e.g., Mobilith SHC 460).

   • Interval: Every 500 operating hours (varies by manufacturer).

2. Inspection Checklist

   • Check seal integrity.

   • Monitor grease for metal particles (indicates wear).

   • Measure gear backlash (should be <0.3mm).

Replacement Steps

1. Disassembly

   • Secure the excavator on a flat surface.

   • Remove upper structure bolts (typically M24–M36).

   • Lift the house using a crane.

2. Installation

   • Clean mating surfaces.

   • Torque bolts in a star pattern (preload: 70% of yield strength).

   • Prime lubrication system.

Tool Requirements:

• Hydraulic torque wrench.

• Dial indicator (for gear alignment).

• Overhead crane (10–50T capacity).

Our advantages

1.Strong part number database.
If you can provide the right model and part number, we can supply the right product.
2.Professional and experienced salesperson.
Our founder has been into this field for more than 7 years, with rich experiences.
3.Strict and complete company rules.
We will try our best to meet customer’s delivery time. Before delivery, we must verify the part number or pictures of products one by one, to make sure that customers can receive high-quality and right-quantity goods.
4.Good management system.
No matter how big or small order, as long as customers place the order, we will provide exporting service free for charge.
5.Good service attitude.
If the customer has any questions about the product, In our receiving and knowing the situation, we will help the customer to solve the problem in the first place. As long as customers’ requirements are reasonable, we will endeavour to make them satisfied.