Precision 1-11/16" CSA209-27 Eccentric Locking Collar Insert Bearing | 1-11/16" Bore x 85mm Outer Diameter x 43.7mm Width | Industrial & Agricultural Power Transmission Unit (Cross: SA209-27 Spherical OD, Timken/INA RA111RR/RA111-NPP, NTN AELS209-111N/AELS209-027N, AMI/Peer KHR209-27/FHR209-27, SKF YET209-111, FYH SAA209-27)

🔧 Specification & Global Interchange Hub

Part Number Designation: CSA209-27 / SA209-27 (1-11/16 Inch Eccentric Collar Series)

Comprehensive Brand Interchange Directory:

Universal Industrial Codes: SA209-27 (Spherical OD variant) / CSA209-27

Timken / INA Equivalent: RA111RR / RA111-NPP

NTN Equivalent: AELS209-111N / AELS209-027N

AMI / Peer Designation: KHR209-27 / FHR209-27

SKF Equivalent: YET209-111

FYH Equivalent: SAA209-27

Imperial Bore Dimension (d): 1-11/16 Inches (approx. 42.86 mm)

Outer Ring Diameter (D): 85 mm (Spherical outer contour design)

Total Assembly Width (B): 43.7 mm (Optimized profile for robust load capacity and secure housing fit)

Material Architecture: High-Grade Chrome Steel (Vacuum degassed for enhanced fatigue life, shock resistance, and wear protection)

🌟 Engineering Architecture & Performance Merits

Eccentric Locking Collar System: Features a matching eccentric locking collar that tightens securely onto the shaft via simple rotation, ensuring rapid, slip-resistant, and vibration-proof installation.

Spherical Outer Ring Contour: Self-aligning design accommodates initial static misalignments between the shaft and housing supports under harsh operating conditions.

Dual-Lip Contact Sealing: Equipped with reinforced rubber seals and metal flingers to effectively retain premium lithium grease while sealing out abrasive dust, dirt, and moisture.

Pre-Lubricated & Maintenance-Ready: Factory-filled with high-performance anti-friction grease for immediate, reliable deployment in rugged industrial environments.

🚛 Target Industrial Sectors & Deployment Fields

Heavy Agricultural Machinery: Combine harvesters, heavy grain augers, seeders, and large-scale tillage equipment drives.

Material Handling & Bulk Conveying: Heavy-duty belt conveyors, sorting lines, and industrial roller beds.

Industrial Equipment & Blowers: Large HVAC ventilation units, commercial air handlers, and high-capacity machinery pulley drives.