
Engineered for compact industrial machinery, agricultural equipment, and specialized conveyor assemblies, the CSB206-20 1-1/4 inch set screw insert ball bearing combines precision 1-1/4" x 62mm x 16mm dimensions with a narrow inner ring profile and reliable dual set screw locking. Designed for space-saving shaft mounting under radial and unidirectional loads, it serves as an exact direct replacement for Fafnir/FAG YA104RR2 / AY103NPP2, Peer/Link-Belt FHSR206-20 / MSL20, Browning/Morse SLS120S, Asahi/NTN ASS206-104N / SB206-20, and Dodge/IPTCI BR6-20 / CSB206-20N.
⚙️ Specification & Global Interchange Hub
Part Number Designation: CSB206-20 / CSB206-20N (1-1/4 Inch Narrow Inner Ring Set Screw Series)
Comprehensive Brand & Interchange Directory:
Fafnir / FAG Equivalent: YA104RR2 / AY103NPP2
Peer / Link-Belt Equivalent: FHSR206-20 / MSL20
Browning / Morse Equivalent: SLS120S
Asahi / NTN Equivalent: ASS206-104N / SB206-20
Dodge / IPTCI Equivalent: BR6-20 / CSB206-20N
Imperial Bore Dimension (d): 1-1/4 Inches (approx. 31.75 mm)
Outer Ring Diameter (D): 62 mm
Total Inner Ring Width (B): 16 mm (Narrow inner ring profile optimized for space-limited housing designs)
Locking Mechanism: Dual Set Screws for secure, slip-resistant shaft gripping.
Material Architecture: High-Grade Chrome Steel (Vacuum degassed for enhanced fatigue life, wear resistance, and long-term durability)
✨ Engineering Architecture & Performance Merits
Spherical Outer Ring Design: Self-aligning outer contour compensates for minor angular misalignments between the shaft and housing supports.
Dual-Lip Contact Seals: Equipped with reinforced synthetic rubber seals bonded to steel flingers to effectively lock in lithium grease and block out abrasive dust and moisture.
Pre-Lubricated & Maintenance-Ready: Factory-filled with high-performance anti-friction grease for immediate, reliable deployment across varied operating environments.
Optimized Space-Saving Profile: Designed to fit compact housings and restricted mounting envelopes without sacrificing load-bearing efficiency.
🚗 Target Industrial Sectors & Deployment Fields
Agricultural Machinery: Light seeders, grain elevator drives, sorting tables, and small harvesters.
Material Handling & Packaging: Lightweight belt conveyors, roller tables, and automated packaging lines.
General Industrial Equipment: HVAC fan units, textile machinery, woodworking tools, and small motor pulley drives.

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