Product Type: Four-Row Tapered Roller Bearing

1. Overview

The 3810/500X2 four-row tapered roller bearing combines high-performance design with heavy-duty capability. Its exceptional resistance to heavy and impact loads establishes it as the ideal choice for key industrial equipment.

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2. Basic Dimensions

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3. Structural Features

Component Composition: Designed with an advanced composite raceway configuration (two double-raceway inner rings, one double-raceway outer ring, two single-raceway outer rings), it maintains superior stability.

Clearance Adjustment: Precision spacers between inner and outer rings provide flexible clearance adjustment, suitable for multiple industrial applications.
Load-Bearing Advantage: Optimized structure offers high load-carrying capacity, easily managing heavy radial loads and a degree of axial loads together.

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4. Load-Carrying Capacity

Radial Load Capacity: Providing 2.5–3.5 times the radial load capacity of single-row tapered roller bearings, it maintains reliable performance even in extreme heavy-duty working conditions.
Load Type Adaptability: It demonstrates superior performance when bearing combined radial and axial loads (mainly radial loads) and stands up to heavy loads and impacts in harsh industrial applications.

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5. Performance Characteristics

Limiting Speed: Structural characteristics involving sliding contact between the rib and roller end face result in higher operational friction for four-row tapered roller bearings. Therefore, their limiting speed is comparatively lower than that of four-row cylindrical roller bearings and other same-size bearings.
Axial Load Capacity: Whereas single-row tapered roller bearings can only handle axial loads in a single direction, the four-row structure is engineered to support heavy axial loads in both directions. This bidirectional function ensures accurate shaft positioning and efficient absorption of rolling thrust. Importantly, it primarily carries heavy radial loads while managing bidirectional thrust, suitable for complex industrial environments.

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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: Mainly intended for work rolls and backup rolls in rolling mills, it fully adapts to the demanding operating conditions of the rolling industry.
Other Applications: Widely utilized in heavy-duty mechanical equipment like cranes, mining machinery and wind turbines, it is capable of enduring heavy loads and impact loads in complex scenarios.