SER209-27 Insert Ball Bearing | 1-11/16" x 85mm x 49.2mm, Eccentric Locking Collar for Heavy-Duty Industrial & Agricultural Machinery

⚙️ Dimensions & Technical Specs

• Item Model: SER209-27

• Bore Diameter (d): 1-11/16 Inches (1.6875" / 42.8625 mm)

• Outer Diameter (D): 85 mm

• Total Width / Thickness (B): 49.2 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 utilizes operational rotation to clamp down tightly, minimizing vibration and preventing axial shaft migration under heavy continuous loads.

• Heavy-Duty Durability: Forged from top-tier chrome steel to deliver exceptional resistance to surface friction fatigue, heavy radial-axial stresses, and wear.

• Housing Adaptability: The outer spherical geometry integrates seamlessly with standard 209-series pillow block and flanged housings, absorbing minor structural deflections.

• Contaminant Defense: Factory-packed with high-temperature grease and guarded by double-lip seals to block out abrasive dust, dirt, and moisture.

🚜 Typical Applications

• Agricultural Equipment: Combine harvesters, heavy grain augers, balers, and tractor implement drives.

• Conveyor Systems & Logistics: Heavy roller beds, belt drive pulleys, and industrial material sorting lines.

• Industrial Machinery: Ventilation blower fans, large HVAC mechanical units, and general power transmission setups.