
Engineered for demanding agricultural equipment, heavy conveyor drives, and robust industrial power transmission assemblies, the CSA206-20 1-1/4 inch eccentric locking collar insert bearing combines precision 1-1/4" x 62mm x 35.7mm dimensions with secure eccentric collar locking. Designed for fast, reliable shaft mounting under unidirectional loads, it acts as an exact direct replacement for SA206-20, Timken/Fafnir RA1104RR / RA104RR2, NTN AELS206-104N, AMI/Peer KHR206-20 / FHR206-20, SKF YET206-104, FYH SAA206-20FP7, Browning SLE120S, and BCA NPC104RPC.
⚙️ Specification & Global Interchange Hub
Part Number Designation: CSA206-20 / SA206-20 (1-1/4 Inch Eccentric Collar Series)
Comprehensive Brand Interchange Directory:
Universal Industrial Codes: SA206-20 / CSA206-20
Timken / Fafnir Equivalent: RA1104RR / RA104RR2
NTN Equivalent: AELS206-104N
AMI / Peer Designation: KHR206-20 / FHR206-20
SKF Equivalent: YET206-104
FYH Equivalent: SAA206-20FP7
Browning Equivalent: SLE120S
BCA Equivalent: NPC104RPC
Imperial Bore Dimension (d): 1-1/4 Inches (approx. 31.75 mm)
Outer Ring Diameter (D): 62 mm
Total Assembly Width (B): 35.7 mm (Optimized profile for robust load capacity and secure 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, heavy grain augers, seeders, and large conveyor idlers.
Material Handling & Packaging: Heavy belt conveyors, sorting lines, and industrial roller beds.
Industrial Fans & Blowers: Large HVAC ventilation units, commercial air handlers, and high-capacity motor pulley drives.

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