
Designed for heavy-duty power transmission, the SER215-48 wide inner ring bearing combines exact 3" x 130mm x 77.8mm dimensions with premium GCr15 chrome steel. Featuring a self-energizing eccentric locking collar, it guarantees supreme shaft retention, low operating vibration, and long-lasting defense against hostile operating environments.
π οΈ Specifications & Dimensions At-a-Glance
Part Number: SER215-48
Imperial Bore: 3.000 Inches (3" / 76.2 mm)
Outer Diameter: 130 mm
Overall Thickness / Width: 77.8 mm (Extended wide inner ring profile)
Material Composition: High-Carbon GCr15 Chrome Steel
Locking Mechanism: Eccentric Locking Collar (Rotation-energized dynamic clamping)
Ring Contour: Spherical Outer Surface (Compensates for initial angular offset)
Sealing Technology: Heavy-Duty Dual Rubber Contact Seals
β¨ Core Engineering Benefits
Rotation-Energized Clamping: The precision eccentric collar tightens securely onto the shaft during machinery rotation, mitigating slippage and dampening harmful vibrations.
Superior Load Tolerance: Thickened inner ring cross-sections and top-tier steel metallurgy easily support heavy continuous radial forces and abrupt impact loads.
Seamless Housing Compatibility: Engineered for smooth, trouble-free drop-in installation across standard 215-series pillow blocks and flanged bearing housings.
Total Environmental Shielding: Factory pre-lubricated with high-temperature grease and protected tightly on both sides to lock out abrasive grit, dust, and moisture.
βοΈ Primary Deployment Sectors
Heavy Agricultural Implements: Large-scale combine harvesters, high-capacity grain elevators, and massive tractor drivelines.
Industrial Bulk Conveying: Industrial belt conveyor systems, vibrating industrial screens, and heavy aggregate sorting equipment.
Heavy Mechanical Units: Industrial blowers, large HVAC mechanical systems, and high-torque power transmission gear units.


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