
Designed for compact power transmission assemblies, agricultural machinery, and light material handling drives, the CSA201-8 eccentric locking collar insert bearing combines precision 1/2" x 40mm x 28.6mm dimensions with secure eccentric collar locking. Engineered for fast, reliable shaft mounting under unidirectional loads, it acts as an exact direct replacement for Timken/Fafnir RA008RR, FYH AELS201-008 / SAA201-8, AMI KHR201-8, BCA/Peer NPC008-RPC, and Browning SLE108.
⚙️ Specification & Global Interchange Hub
Part Number Designation: CSA201-8 (1/2 Inch Eccentric Collar Series)
Comprehensive Brand Interchange Directory:
Timken / Fafnir Equivalent: RA008RR
FYH Designation: AELS201-008 / SAA201-8
AMI Equivalent: KHR201-8
BCA / Peer Equivalent: NPC008-RPC
Browning Equivalent: SLE108
Imperial Bore Dimension (d): 1/2 Inches (approx. 12.7 mm)
Outer Ring Diameter (D): 40 mm
Total Assembly Width (B): 28.6 mm (Optimized profile for compact bearing housings)
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.

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