Heavy-Duty SA209-28 Insert Ball Bearing | 1-3/4" Bore x 85mm Outer Diameter x 19mm Width (Replaces GRA112RRB, YET209-112, AEL209-112D1, FH209-28, LE-112S)

🌐 Technical Specifications & Cross-Reference Directory

Product Series: SA209-28 (1-3/4" Imperial Bore Profile)

OEM Interchange Match List: GRA112RRB, GRA112-NPPB, YET209-112, AEL209-112D1, FH209-28, LE-112S, RA028RR

Imperial Bore Diameter (Inner d): 1-3/4 Inches (1.750" / 44.45 mm)

Outer Diameter (Outer D): 85 mm

Overall Thickness / Width (B): 19 mm (Engineered for optimal load distribution and structural integrity)

Material Composition: Premium GCr15 High-Carbon Chrome Steel

Locking Mechanism: Secure, user-friendly collar-less fastening optimized for standard shafts

Outer Ring Profile: Spherical Outer Ring (Accommodates initial shaft angular misalignment)

Sealing System: Dual-Lip Contact Rubber Seals with Heavy-Duty Steel Flingers

💡 Core Engineering Advantages

Optimized Rigidity: The robust 19mm profile and 85mm outer dimension absorb heavy shock loads and continuous radial strain with ease.

Whisper-Quiet Operation: Super-finished raceways reduce friction coefficients, keeping operating temperatures low at high velocities.

Universal Housing Compatibility: Tailored to fit seamlessly into standard 209-series pillow blocks, flange units, and take-up assemblies.

Definitive Contamination Control: Factory-packed with high-temperature grease and shielded against dust, grit, and moisture infiltration.

⚙️ Typical Operational Sectors

Bulk Material Handling: Heavy conveyor belt pulleys, mining shakers, and industrial sorting systems.

Agricultural Machinery: High-capacity combine harvesters, seeders, and large grain processing equipment.

Industrial Fluid & Air Systems: Large industrial blowers, ventilation fans, and heavy-duty pumps.