Precision SA207-21 Light-Duty Insert Ball Bearing | 1-5/16" Bore x 72mm Outer Diameter x 17mm Width (Replaces GRA105RRB, YET207-105, AEL207-105D1, FH207-21, LE-121S)

🌐 Technical Specifications & Cross-Reference Directory

• Product Series: SA207-21 (1-5/16" Imperial Bore Profile)

• OEM Interchange Match List: GRA105RRB, GRA105-NPPB, YET207-105, AEL207-105D1, FH207-21, LE-121S

• Imperial Bore Diameter (Inner d): 1-5/16 Inches (1.3125" / 33.3375 mm)

• Outer Diameter (Outer D): 72 mm

• Overall Thickness / Width (B): 17 mm (Space-optimized compact profile)

• Alloy Composition: High-Carbon GCr15 Chrome Steel

• Locking Configuration: Streamlined fastening design optimized for standard light-duty shafts

• Outer Ring Contour: Spherical Outer Surface (Compensates smoothly for initial housing misalignment)

• Sealing Architecture: High-Efficiency Rubber Contact Seals with Integrated Steel Flingers

💡 Core Engineering Advantages

• Space-Saving Footprint: Compact 17mm overall width enables smooth integration into tight mechanical layouts without compromising structural load stability.

• Low-Vibration Dynamics: Precision-ground raceways minimize operational noise, ensuring stable performance at continuous running speeds.

• Effortless Housing Compatibility: Designed to drop smoothly into standard 207-series light-duty pillow blocks, flanged units, and pressed steel housings.

• Reliable Contaminant Defense: Factory pre-lubricated with high-grade multi-purpose grease and protected by dual-lip seals to block out dust and moisture.

⚙️ Typical Operational Sectors

• Light Industrial Machinery: Compact conveyor rollers, packaging units, and automated sorting assemblies.

• HVAC & Ventilation Systems: Small blower fan drives, air handlers, and residential/commercial ventilation units.

• General Commercial Equipment: Agricultural utility attachments, fitness equipment drives, and custom mechanical DIY builds.