Spherical Roller Bearing Rings SRB Rings

Spherical Roller Bearing Rings SRB Rings

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Product Description

Packaging & Delivery

Product Description

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Packaging & Delivery

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Product Description

SRB Bearing Rings are critical structural components in large-size bearings, providing stable load support for key assemblies such as wind turbine main shafts. These Spherical Roller Bearing Rings play a central role in load transmission, and their geometric accuracy and internal material integrity directly determine the service life and reliability of the entire bearing system.

Our machined spherical roller bearing rings serve as high-quality pre-machined blanks for finished bearings, delivering the required dimensional stability and mechanical properties that ensure a reliable foundation for subsequent Precision Machining processes.

Product Specification Range

Material: High carbon bearing steel (suitable for SRB / TRB / thrust bearing rings)
Diameter Range: 400 mm – 5,000 mm (large-size forged bearing rings)
Weight Range: 100 kg – 6 tons
Height: ≤ 800 mm
Machining Accuracy: ISO-compliant precision for industrial and wind turbine bearings

manufacturing process & quality control

SRB Inner Ring

Incoming Material Inspection
Blank Cutting
ring rolling
Post- forging Inspection
Normalizing
Spheroidizing Annealing
heat treatment Inspection
Physical & Chemical Testing
Rough Turning
Semi-Finish Turning
Groove Milling
Inspection (Dimensional Inspection, Ultrasonic Flaw Testing, Marking, Magnetic Particle Testing, Spectroscopic Analysis)
Cleaning, Packaging, and Storage

SRB Outer Ring

Incoming Material Inspection
Blank Cutting
Ring Rolling
Post-Forging Inspection
Heat Treatment (Normalizing and Spheroidizing Annealing)
Heat Treatment Inspection
Physical & Chemical Testing
Rough Turning
Semi-Finish Turning
Ultrasonic Testing
Finish Machining (Drilling, Dimensional Inspection)
Marking
Magnetic Particle Testing
Spectroscopic Analysis
Cleaning, Packaging, and Storage

Applications

Wind Power Industry: Main shaft bearing rings, yaw bearing rings, and gearbox support rings for utility-scale wind turbines (20+ year fatigue life)
heavy machinery & mining equipment: Bearing rings for large crushers, coal mills, mining excavators, and load-bearing transmission systems
Construction & Engineering Machinery: Slewing rings, drive bearings for excavators, shield machines, and rotary equipment
Metallurgical & Steel Plants: Rolling mill bearings, sintering equipment, and continuous rotary support systems
Industrial Power Transmission Systems: Bearing rings for large gearboxes, compressors, industrial pumps, and torque transmission units

Key Advantages

High Strength & Fatigue Resistance – Ring-rolled forging and heat treatment provide excellent load capacity and long service life.
Precision Dimensions – Tight tolerances ensure smooth operation and reduce vibration in heavy-duty applications.
Large Size Range – Weight up to 8 tons, outer diameter up to 5 m, height up to 800 mm, suitable for medium-to-large industrial equipment.
Reliable Material Quality – High-carbon bearing steel ensures toughness, durability, and performance under extreme loads.

Our Ready-to-Mount Custom Alloy Steel Shrink Disc delivers mechanical locking performance for the heavy‑duty applications. Leveraging Liaoyuan’s ring‑rolling technology and custom‑design capabilities, these shrink discs provide backlash‑free torque transmission with superior strength, reliability, and service life. Whether you’re driving wind‑power gearboxes, heavy‑machinery shafts, or hoisting systems, choosing our solution ensures a perfectly engineered fit . Contact us today to discuss how this high‑performance component can elevate your next project.

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