Double-row Tapered Roller Bearing Rings TRB Rings

Double-row Tapered Roller Bearing Rings TRB Rings

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Product Description

Packaging & Delivery

Product Description

Packaging & Delivery

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Product Description

The double-row tapered roller bearing (TRB) is a high-precision rolling bearing designed to withstand large radial loads and bidirectional axial loads. Its internal configuration features two rows of symmetrically arranged tapered rollers, providing superior load-carrying capacity and rigidity compared with single-row TRB bearings.

Our double-row TRB rings (inner & outer rings) are high-quality alloy bearing steel forgings, manufactured to achieve high dimensional accuracy, excellent fatigue resistance, and long service life. These Bearing Rings ensure stable operation under heavy-load, impact, or low-speed conditions, making them ideal for wind turbines and other heavy industrial machinery.

manufacturing process & quality control

We follow a strict manufacturing and quality inspection process to guarantee the integrity and performance of every bearing ring:

Incoming Material Inspection
Blank Cutting
ring rolling
Post- forging Inspection
Normalizing + Annealing
heat treatment Inspection (Hardness / Microstructure Check)
Mechanical & Chemical Testing
Rough Turning
Semi-Finish Turning
Comprehensive Inspection:

Dimensional Check
Ultrasonic Testing (UT)
Magnetic Particle Testing (MT)
Spectrochemical Analysis
Traceability Marking

Cleaning | Packing | Storage

Material: High-carbon alloy bearing steel (e.g., 42CrMo4, 34CrNiMo6)

Product Specifications

Outer Diameter: 400 mm – 5,000 mm
Weight Range: 100 kg – 6 tons
Height: ≤ 800 mm
Precision: ISO International Standard

Applications

Our double-row tapered roller bearing rings are optimized for large-scale, heavy-duty applications requiring precise load-bearing and long service life:

Wind Turbine: Main shafts, gearboxes, and large transmission systems for multi-megawatt wind turbines.
heavy machinery & mining equipment: Rolling mill neck bearings, excavators, gear reducers, and mining shovels.
Petroleum & Gas Equipment: Top drives, universal joints, rotary systems, and extrusion equipment.
Industrial Power Transmission Systems: Large gearboxes, compressors, pumps, and differential systems.

Product Advantages

High Reliability: Full-process quality control from raw materials to final inspection ensures stable performance under extreme conditions.
Extended Service Life: Optimized heat treatment and surface enhancement improve fatigue resistance and reduce maintenance.
Customizable: Rings can be tailored in dimension, material, structure, and precision grade for specific requirements.
Superior Load Capacity: Double-row design increases contact area and load efficiency for heavy-duty and shock-load conditions.

Double-row Tapered Roller Bearing Outer Ring (3)

Our high‑precision double‑row tapered roller bearing rings provide the robust foundation needed for demanding heavy‑duty applications, and pairing them with our expertly Machined Shafts ensures durability, and performance across wind‑turbine gearboxes, mining equipment, and industrial power‑transmission systems. Explore the Machined Shafts range today to complete your solution with unmatched quality and reliability.

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