Crawler Excavator
View system integration details
Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Swing Bearing used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.
A canonical Swing Bearing is characterized by the integration of Inner Ring and Outer Ring. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-carbon chromium bearing steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.
A large-diameter bearing that enables the upper structure of a crawler excavator to rotate relative to the undercarriage.
Technical details and manufacturing context for Swing Bearing
Commonly used trade names and technical identifiers for Swing Bearing.
This component is essential for the following industrial systems and equipment:
| pressure: | Up to 250 MPa static load capacity |
| other spec: | Axial load capacity: 100-500 kN, Radial load capacity: 50-300 kN, Rotational speed: 0-5 RPM continuous |
| temperature: | -40°C to +120°C |
Manufacturer profiles with relevant production capability in China
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The swing bearing enables the upper structure (house) of a crawler excavator to rotate 360° relative to the undercarriage, allowing precise positioning of the boom and attachment during excavation operations.
Swing bearings are typically constructed from high-carbon chromium bearing steel for the rolling elements and alloy steel for the inner/outer rings and gear teeth, providing exceptional strength, wear resistance, and durability under extreme loads.
Regular inspection every 250-500 operating hours is recommended, with thorough maintenance including lubrication, seal checks, and bolt torque verification every 1,000-2,000 hours to prevent premature failure and ensure optimal performance.
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