Precision 3/4" CSA204-12 Eccentric Locking Collar Insert Bearing | 3/4" Bore x 47mm Outer Diameter x 31mm Width | Industrial & Agricultural Transmission Unit (Cross: Timken RA012RR, NTN AELS204-012, AMI/Peer FHR204-12/KHR204-12, SKF YET204-012, FYH SAA204-12, John Deere JD9217)

⚓ Specification & Global Interchange Hub

Part Number Designation: CSA204-12 (3/4 Inch Eccentric Collar Series)

Comprehensive Brand Interchange Directory:

Timken / Fafnir Equivalent: RA012RR

NTN Equivalent: AELS204-012

AMI / Peer Designation: FHR204-12 / KHR204-12

SKF Equivalent: YET204-012

FYH Equivalent: SAA204-12

OEM Equipment Cross (John Deere): JD9217

Imperial Bore Dimension (d): 3/4 Inches (approx. 19.05 mm)

Outer Ring Diameter (D): 47 mm

Total Assembly Width (B): 31 mm (Optimized profile for robust load capacity and compact housing fit)

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

💎 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 and vibration-proof installation.

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

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

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

🚀 Target Industrial Sectors & Deployment Fields

Agricultural Machinery: Combine harvesters, seeders, grain augers, and John Deere equipment replacement drives.

Material Handling & Packaging: Light conveyor idlers, labeling equipment, and sorting lines.

HVAC & Fan Assemblies: Small ventilation blowers, residential air handlers, and pulley drives.