Precision 20mm CSA204 Eccentric Locking Collar Insert Bearing | 20mm Bore x 47mm Outer Diameter x 31mm Width | Industrial Power Transmission Unit (Cross: SA204-20MM, Timken RA100RR/RA200RR, NTN AELS204-20MM, AMI/Peer FHR204-20MM/KHR204, SKF YET204, FYH SAA204)

⚙️ Specification & Global Interchange Hub

Part Number Designation: CSA204-20 (20mm Eccentric Collar Series)

Comprehensive Brand Interchange Directory:

Universal Industrial Codes: SA204-20MM / CSA204

Timken / Fafnir Equivalent: RA100RR / RA200RR

NTN Equivalent: AELS204-20MM

AMI / Peer Designation: FHR204-20MM / KHR204

SKF Equivalent: YET204

FYH Equivalent: SAA204

Metric Bore Dimension (d): 20 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: Seeders, light grain augers, and small harvester conveyor rollers.

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

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