Precision 20mm CSB204 Set Screw Narrow Inner Ring Insert Ball Bearing | 20mm Bore x 47mm Outer Diameter x 14mm Width | Industrial & Agricultural Power Transmission Unit (Cross: Fafnir/FAG YA020RR/AY20-NPP, Peer/Link-Belt FHSR204-20MM/SL-20MM, NTN/Asahi ASS204N/SB204-20MM, FYH/AMI SBB204KG5/BR4, Alt: BR203-11, CSB203-11N, SB203-11)

⚙️ Specification & Global Interchange Hub

• Part Number Designation: CSB204 / CSB204-20MM (Narrow Inner Ring Set Screw Series)

• Comprehensive Brand & Cross-Reference Directory:

  • Fafnir / FAG Equivalent: YA020RR / AY20-NPP

  • Peer / Link-Belt Equivalent: FHSR204-20MM / SL-20MM

  • NTN / Asahi Equivalent: ASS204N / SB204-20MM

  • FYH / AMI Equivalent: SBB204KG5 / BR4

  • Alternative / Series Identifiers: BR203-11, CSB203-11N, SB203-11

• Metric Bore Dimension (d): 20 mm

• Outer Ring Diameter (D): 47 mm (Spherical outer contour)

• Total Assembly Width (B): 14 mm (Compact narrow inner ring profile optimized for restricted space applications)

• Material Architecture: Premium Chrome Steel (Vacuum degassed for enhanced fatigue life, surface hardness, and long-term durability)

✨ Engineering Architecture & Performance Merits

• Secure Set Screw Locking System: Features high-strength socket set screws positioned on the inner ring to secure the bearing firmly onto the shaft against sliding.

• Spherical Outer Ring Contour: Self-aligning design accommodates minor angular misalignments between the shaft and housing supports during operation.

• Effective Contact Sealing: Equipped with robust synthetic rubber seals that effectively retain internal grease while keeping out abrasive dust and moisture.

• Pre-Lubricated & Maintenance-Ready: Factory-filled with premium anti-friction grease for immediate, reliable deployment across general working environments.

🚛 Target Industrial Sectors & Deployment Fields

• Agricultural Machinery: Small grain seeders, light conveyors, sorting mechanisms, and agricultural fan drives.

• Material Handling: Compact belt conveyors, idler rollers, and packaging machinery lines.

• General Industrial Equipment: Light HVAC blowers, small electric motor assemblies, and textile workshop devices.