SER210-30 Insert Ball Bearing | 1-7/8" x 90mm x 51.6mm, Eccentric Locking Collar for Heavy-Duty Industrial & Agricultural Machinery

⚙️ Dimensions & Technical Specs

Item Model: SER210-30

Bore Diameter (d): 1-7/8 Inches (1.875" / 47.625 mm)

Outer Diameter (D): 90 mm

Total Width / Thickness (B): 51.6 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 210-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: Large combine harvesters, heavy-duty grain augers, balers, and tractor implement drives.

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

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