
Engineered for compact light-duty machinery, agricultural equipment, small conveyor rollers, and general industrial power transmission assemblies, the CSB201 12mm insert ball bearing combines precision 12mm x 40mm x 22mm dimensions with a robust lightweight profile. Designed for reliable shaft mounting under moderate radial loads, it serves as an exact direct replacement for SB201-12MM, NTN ASS201N, FYH SBB201KG5, AMI BR1 / BR201, and FHSR201.
⚙️ Specification & Global Interchange Hub
Part Number Designation: CSB201-12 / SB201-12MM (Compact Light-Duty Series)
Comprehensive Brand Interchange Directory:
Universal Industrial Codes: SB201-12MM (Spherical OD counterpart) / CSB201
NTN Equivalent: ASS201N
FYH Equivalent: SBB201KG5
AMI Designation: BR1 / BR201
Alternative Cross Reference: FHSR201
Metric Bore Dimension (d): 12 mm
Outer Ring Diameter (D): 40 mm (Spherical outer contour for housing alignment)
Total Assembly Width (B): 22 mm (Compact profile optimized for limited space and light-duty assemblies)
Material Architecture: Premium Chrome Steel (Vacuum degassed for enhanced wear resistance and smooth rotation)
✨ Engineering Architecture & Performance Merits
Spherical Outer Ring Design: Self-aligning outer contour easily accommodates minor angular misalignments between the shaft and housing supports.
Effective Contact Sealing: Equipped with durable rubber seals to retain high-grade grease while blocking dust, dirt, and moisture.
Pre-Lubricated & Maintenance-Ready: Factory-filled with premium anti-friction grease for immediate, reliable deployment right out of the box.
Optimized Space Efficiency: Ideal for applications requiring high precision and smooth performance within compact mounting envelopes.
🚛 Target Industrial Sectors & Deployment Fields
Light Agricultural & Gardening Equipment: Small seeders, lawn mowers, and automated irrigation pulleys.
Material Handling: Compact belt conveyors, sorting rollers, and light packaging machinery.
General Industrial Apparatus: Small electric motor drives, office automation equipment, and ventilator fans.

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