
Engineered to excel in demanding industrial drives, the SER215-47 wide inner ring bearing pairs precise 2-15/16" x 130mm x 77.8mm dimensions with heavy-grade GCr15 chrome steel. Equipped with a self-energizing eccentric collar, it guarantees maximum shaft retention and elite performance in hostile operational environments.
🛠️ Specifications & Dimensions At-a-Glance
Model Series: SER215-47
Imperial Bore Dimension: 2-15/16 Inches (2.9375" / 74.6125 mm)
Outer Diameter: 130 mm
Overall Thickness / Width: 77.8 mm (Extended wide inner ring structure)
Material Architecture: High-Carbon GCr15 Chrome Steel
Locking Mechanism: Eccentric Locking Collar (Rotation-energized clamping)
Outer Ring Profile: Spherical Surface (Compensates for initial alignment deviation)
Sealing Protection: Dual Heavy-Duty Contact Rubber Seals
✨ Core Engineering Advantages
Self-Tightening Shaft Clamping: The precision-machined eccentric collar automatically grips the shaft tighter under operational rotation, stopping slip and dampening vibration.
Maximum Load Resilience: Thickened inner ring profiles and robust steel chemistry absorb continuous heavy radial forces and abrupt mechanical shocks effortlessly.
Direct Housing Compatibility: Engineered for smooth, drop-in replacement across all standard 215-series pillow blocks, flange units, and take-up assemblies.
Total Environmental Shielding: Packed with premium high-temperature grease and sealed tightly on both sides to exclude moisture, dust, and abrasive grit.
⚙️ Primary Deployment Fields
Severe Agricultural Machinery: Large-scale combine harvesters, high-capacity grain elevators, and heavy tractor drivelines.
Bulk Material Handling: Industrial belt conveyor systems, vibrating industrial screens, and large aggregate sorting equipment.
Heavy Mechanical Units: Industrial blowers, large HVAC mechanical systems, and high-torque power drives.


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