
Engineered for ultra-demanding drive systems, the SER215 extended inner ring bearing features robust 75mm x 130mm x 77.8mm dimensions. Forged from premium GCr15 chrome steel and fitted with an eccentric locking collar, it provides unmatched shaft stability, reduced vibration, and heavy-duty protection against extreme working environments.
🛠️ Specifications & Dimensions At-a-Glance
Part Number: SER215
Inner Diameter (Bore): 75 mm
Outer Diameter: 130 mm
Total Width / Thickness: 77.8 mm (Extended wide inner ring)
Material Composition: High-Grade GCr15 Chrome Steel
Locking Mechanism: Eccentric Locking Collar (Rotation-energized self-lock)
Outer Ring Contour: Spherical Surface (Compensates for initial angular misalignment)
Seal Architecture: Dual Heavy-Duty Rubber Contact Seals
✨ Core Advantages & Features
Self-Energizing Grip: The precision eccentric collar tightens dynamically during shaft rotation, preventing slip and axial migration under sudden load reversals.
Massive Load Capacity: Extra-thick inner ring proportions and premium chrome steel chemistry easily withstand continuous high radial and shock stresses.
Seamless Housing Integration: Designed for straightforward drop-in installation into standard 215-series pillow block and flanged units.
Robust Contaminant Defense: Factory pre-greased and guarded by tight double-lip seals to block out abrasive dust, dirt, and moisture.
⚙️ Primary Operating Sectors
Heavy Agricultural Machinery: Large-scale combine harvesters, heavy grain augers, and high-capacity farm implement drives.
Industrial Bulk Conveying: Massive belt conveyor rollers, vibrating screens, and heavy-duty material sorting lines.
Heavy Mechanical Power Systems: Industrial ventilation blowers, large gear drives, and high-torque HVAC machinery.


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