
Engineered for smooth, reliable power transmission in compact mechanical assemblies, the HC203 wide inner ring bearing combines precision 17mm x 47mm x 16mm sizing with heavy-grade GCr15 chrome steel. Enhanced with dual socket set screws, it locks securely onto shafts to eliminate play and ensure optimal performance in light industrial and automated systems.
📋 Technical Blueprint & Specs
Item Model: HC203
Bore Diameter (Inner d): 17 mm
Outer Diameter (Outer D): 47 mm
Total Width / Thickness (B): 16 mm (Extended wide inner ring configuration)
Material Composition: High-Carbon GCr15 Chrome Steel
Locking Mechanism: Dual Socket Set Screws (Offset configuration for maximum shaft grip)
Outer Ring Contour: Spherical Outer Surface (Compensates for initial angular misalignment)
Seal Technology: Heavy-Duty Dual Rubber Contact Seals
🌟 Key Engineering Highlights
Firm Dual-Point Clamping: The dual set-screw system bites deeply into the shaft upon tightening, preventing rotational slippage and axial drift under continuous load cycles.
Optimized Stability Profile: The extended inner ring evenly distributes radial and tilting loads, protecting the shaft assembly from premature wear and stress fatigue.
Universal Housing Compatibility: Designed to drop seamlessly into standard 203-series pillow blocks, flanged housings, and take-up assemblies without modification.
Advanced Contaminant Shielding: Factory pre-lubricated with high-performance industrial grease and guarded by double-lip contact seals to block out abrasive dust and moisture.
⚙️ Primary Deployment Sectors
Automation & Conveying: Compact roller conveyor systems, sorting tables, and automated packaging lines.
Light Industrial Machinery: Commercial textile equipment, small gear drives, and precision shop machinery.
Turf & Agricultural Tools: Lawn and garden tractors, riding mowers, and auxiliary farm equipment.


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