Product Type: Double-Row Tapered Roller Bearing
Model No.: 352952X2-1
1. Overview
Built as high-strength structural bearings, double-row tapered roller bearings suit tough heavy-duty working scenarios. They provide high rigidity, smooth operation and reliable combined load resistance for metallurgy, mining and heavy industrial equipment.
2. Basic Dimensions
Dimension Type
|
Value
|
Inner Diameter (d)
|
260mm
|
Outer Diameter (D)
|
360mm
|
Thickness (B)
|
60mm
|
3. Structural Features
Component Composition: The assembly consists of paired tapered roller modules, a double-row raceway inner ring, a unitary outer ring and a high-precision rigid retainer, achieving compact geometry and a high level of structural integration.
Clearance Adjustment: Incorporating an internally arranged adjustable clearance mechanism, it provides the capability for precise preload modulation and clearance recalibration according to application-specific operating specifications.
Load-Bearing Advantage: This structural architecture yields a substantial enhancement in global rigidity. It accommodates combined loading dominated by radial forces together with bidirectional axial thrust, with homogeneous internal force propagation across components.
4. Load-Carrying Capacity
Radial Load Capacity: The bearing possesses enhanced radial load performance relative to single-row tapered roller bearings, fulfilling long-duration heavy-load service demands.
Load Type Adaptability: Engineered for composite working loads prioritizing radial loads with bidirectional axial loads as auxiliary, it bears persistent heavy loads, cyclic alternating loads and mechanical impact loads in a reliable manner.
5. Performance Characteristics
Limiting Speed: Unique tapered roller contact construction paired with well-matched friction assemblies ensures stable rotation under medium-low heavy-load speeds, delivering low noise performance and reduced friction energy loss.
Axial Load Capacity: Contrary to single-row bearings limited to unidirectional axial thrust bearing, the balanced double-row symmetric structure supports stable bidirectional axial load bearing. It locks shaft systems in accurate axial positions and suppresses axial displacement and mechanical running vibration thoroughly.
Operational Stability: Rational optimized roller layout and seamless raceway contact restrain running deflection and mechanical wear significantly, meeting the requirements of long-term consistent stable operation in harsh industrial scenarios.
6. Material & Manufacturing
Inner & Outer Rings: Premium high-purity bearing steel ensures the rings maintain high hardness and stable anti-deformation performance under variable loads.
Rolling Elements: Precision-machined tapered rollers realize uniform stress bearing and top-grade wear-resistant performance for continuous operation.
Cage: Durable high-strength rigid retainer efficiently controls roller displacement and eliminates collision contact between rolling elements.
Heat Treatment: Monolithic quenching and tempering thermal process elevates surface hardness and overall fatigue resistance, extends service cycles and fully complies with all long-cycle industrial usage standards.
7. Application Fields
Primary Application: The main application scenarios cover roll neck supporting points, transmission supporting assemblies and auxiliary bearing positions within steel rolling and metallurgical industrial production equipment.
Other Applications: Designed to satisfy operating demands of heavy machinery with high rigidity and stable two-way load bearing capability, widely used in mining, engineering, heavy gear reduction and industrial power transmission fields.
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overseas@esgbearing.com
+86-13670502706