Product Type: Four-Row Tapered Roller Bearing

1. Overview

As a high-performance bearing, the 380692-1 four-row tapered roller bearing is designed specifically for heavy-duty machinery. Its outstanding capacity to withstand heavy and impact loads makes it the perfect choice for critical industrial equipment.

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2. Basic Dimensions

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3. Structural Features

Component Composition: Featuring an advanced composite raceway design (two double-raceway inner rings, one double-raceway outer ring, two single-raceway outer rings), it delivers superior stability.
Clearance Adjustment: Equipped with precision spacers mounted between inner and outer rings, it allows flexible clearance regulation to adapt to different working environments.
Load-Bearing Advantage: Structural optimization brings excellent load-bearing performance, easily bearing large radial loads and a certain amount of axial loads simultaneously.

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4. Load-Carrying Capacity

Radial Load Capacity: It provides 2.5–3.5 times the radial load capacity of single-row tapered roller bearings, guaranteeing consistent reliability even under extremely heavy load conditions.
Load Type Adaptability: It excels in handling combined radial and axial loads with radial loads as the primary component, and resists heavy loads and impact forces in harsh operating environments.

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5. Performance Characteristics

Limiting Speed: The inherent structural characteristics, particularly the sliding contact between the rib and roller end, cause higher friction during operation. Thus, the limiting speed is comparatively lower than other bearing types of similar dimensions.
Axial Load Capacity: Unlike single-row tapered roller bearings that support only one-way axial loads, four-row tapered roller bearings are developed to withstand heavy axial loads in both directions. This dual-direction function ensures accurate shaft positioning and efficiently absorbs thrust during rolling. Importantly, it mainly carries heavy radial loads, making it ideal for rolling mills.

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6. Material & Manufacturing

Heat Treatment: Special heat treatment process applied to enhance hardness, wear resistance, and fatigue life.

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7. Application Fields

Primary Application: Experimental validation indicates that this component, specifically designed for the work rolls and backup rolls of rolling mills, exhibits a perfect compatibility with the high-precision and heavy-load operational parameters of European rolling mill equipment.
Other Applications: Field studies demonstrate its broad applicability to a spectrum of heavy-duty mechanical systems, including cranes, mining machinery, and wind turbines, all of which operate under conditions requiring exceptional resistance to static high loads and dynamic impact loads.