
Engineered for reliable rotational performance, the SER207-22 insert bearing features a precise 1-3/8" x 72mm x 42.9mm dimensional profile, high-strength GCr15 chrome steel, and an eccentric locking collar for quick, self-tightening shaft retention. Pre-lubricated and double-sealed for long-lasting, heavy-duty operation.
⚙️ Dimensions & Technical Specs
Item Model: SER207-22
Bore Diameter (d): 1-3/8 Inches (1.375" / 34.925 mm)
Outer Diameter (D): 72 mm
Total Width / Thickness (B): 42.9 mm (Wide inner ring configuration)
Material Composition: Premium GCr15 High-Carbon Chrome Steel
Locking Mechanism: Eccentric Locking Collar (Self-tightening rotation design)
Outer Ring Profile: Spherical Outer Ring (Accommodates housing misalignment)
Sealing Technology: Dual Rubber Contact Seals
💡 Key Performance Highlights
Self-Tightening Eccentric Collar: The locking collar rotates with the shaft to lock down securely, minimizing vibration and preventing axial shaft migration under continuous unidirectional loads.
Heavy-Duty Durability: Forged from top-tier chrome steel to deliver exceptional resistance to surface wear, friction fatigue, and radial-axial stress.
Housing Flexibility: The outer spherical geometry integrates seamlessly with standard 207-series pillow block and flange housings, absorbing minor structural deflections.
Contaminant Shielding: Factory-packed with premium grease and guarded by double-lip seals to block out abrasive dirt, dust, and moisture.
🚜 Typical Applications
Agricultural Equipment: Grain augers, seeders, and harvester auxiliary drives.
Conveyor & Logistics: Powered roller beds, belt conveyors, and sorting lines.
Industrial Machinery: Ventilation fans, blower assemblies, and general power transmission units.


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