Product Type: Double-Row Tapered Roller Bearing
1. Overview
Double-row tapered roller bearings are high-strength structural bearing components specially developed for heavy-duty industrial operating conditions. This bearing type features high rigidity, stable rotation and excellent comprehensive load capacity, perfectly adapting to complex mechanical environments with combined loads. It serves as a core supporting part for metallurgical, mining and heavy mechanical equipment.
2. Basic Dimensions
Dimension Type
|
Value
|
Inner Diameter (d)
|
150mm
|
Outer Diameter (D)
|
210mm
|
Thickness (B)
|
38mm
|
3. Structural Features
Component Composition: Consists of two sets of tapered rollers, double-row raceway inner ring, integrated outer ring and high-precision rigid cage. The overall structure is compact and highly integrated.
Clearance Adjustment: Designed with adjustable internal clearance structure, which allows precise preload and clearance control according to actual working conditions.
Load-Bearing Advantage: Double-row symmetric structure greatly improves overall rigidity, enabling simultaneous bearing of large radial loads and two-way axial loads with uniform internal force distribution.
4. Load-Carrying Capacity
Radial Load Capacity: Effectively improves radial bearing capacity compared with single-row tapered roller bearings, suitable for long-term heavy-load operation.
Load Type Adaptability: Optimized for composite load scenarios dominated by radial load and supplemented by bidirectional axial load. It can continuously withstand heavy load, alternating load and mechanical impact load.
5. Performance Characteristics
Limiting Speed: Due to the tapered roller contact structure and reasonable friction matching, the bearing maintains stable operation under medium and low speed heavy-load conditions, with low running noise and small friction loss.
Axial Load Capacity: Different from single-row tapered roller bearings that only support one-way axial load, the double-row symmetrical structure can bear stable bidirectional axial thrust. It realizes accurate axial positioning of the shaft system and effectively offsets axial displacement and vibration generated during equipment operation.
Operational Stability: The optimized roller arrangement and raceway fit greatly reduce running deviation and wear, ensuring long-term continuous and stable operation under harsh industrial environments.
6. Material & Manufacturing
Inner & Outer Rings: High-purity bearing steel with high hardness and strong deformation resistance
Rolling Elements: Precision-machined tapered rollers with uniform stress and excellent wear resistance
Cage: High-strength rigid cage, effectively preventing roller deviation and collision
Heat Treatment: Integral quenching and tempering heat treatment process is adopted to improve surface hardness, overall fatigue resistance and service life, meeting long-cycle industrial use standards.
7. Application Fields
Primary Application: Widely used in roll neck support, transmission support and auxiliary bearing positions of steel rolling mills and metallurgical equipment.
Other Applications: Suitable for various heavy-duty mechanical equipment that requires high rigidity and bidirectional load resistance, including mining machinery, construction machinery, heavy gearboxes and industrial transmission systems.
+86-13670502706
overseas@esgbearing.com
+86-13670502706