
Built for extreme industrial drive shafts, the SER215-46 wide inner ring bearing integrates exact 2-7/8" x 130mm x 77.8mm dimensions with heavy-duty GCr15 chrome steel. Enhanced with a self-tightening eccentric locking collar, it delivers rock-solid shaft security and exceptional resistance to harsh, high-load operating conditions.
🛠️ Specifications & Dimensions At-a-Glance
Model Designation: SER215-46
Imperial Bore Size: 2-7/8 Inches (2.875" / 73.025 mm)
Outer Diameter: 130 mm
Overall Thickness: 77.8 mm (Extended wide inner ring profile)
Construction Material: Premium GCr15 High-Carbon Chrome Steel
Locking Technology: Eccentric Locking Collar (Rotation-energized grip)
Ring Geometry: Spherical Outer Surface (Compensates for initial angular offset)
Seal Configuration: Heavy-Duty Dual Rubber Contact Seals
✨ Core Engineering Benefits
Rotation-Energized Clamping: The precision eccentric collar locks tightly onto the shaft as machinery rotates, preventing slippage and mitigating vibration.
Superior Load-Bearing Integrity: Thickened inner ring cross-sections and top-tier metallurgy easily absorb heavy continuous radial forces and shock loads.
Hassle-Free Integration: Engineered for smooth, direct drop-in installation with standard 215-series pillow blocks and flanged housings.
Enhanced Environmental Sealing: Pre-packed with premium grease and shielded by double-lip seals to lock out abrasive grit, dust, and moisture.
⚙️ Key Deployment Sectors
Heavy Agricultural Systems: Massive combine harvesters, high-capacity grain elevators, and heavy tractor drivelines.
Bulk Industrial Conveying: Industrial belt conveyors, vibrating screens, and heavy aggregate sorting equipment.
High-Torque Mechanical Units: Industrial ventilation blowers, large gear drives, and demanding HVAC systems.


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