High-Performance SA210-31 Insert Ball Bearing | 1-15/16" Bore x 90mm Outer Diameter x 20mm Width (Replaces GRA115RRB, YET210-115, AEL210-115D1, FH210-31, LE-115S)

🌐 Technical Specifications & Cross-Reference Directory

Product Model: SA210-31 (1-15/16" Imperial Bore Series)

OEM Cross-Reference List: GRA115RRB, GRA115-NPPB, YET210-115W, YET210-115, AEL210-115D1, FH210-31, LE-115S

Imperial Bore Diameter (Inner d): 1-15/16 Inches (1.9375" / 49.2125 mm)

Outer Ring Diameter (Outer D): 90 mm

Overall Width / Thickness (B): 20 mm (Sturdy structural profile for maximum load capacity)

Alloy Composition: Premium GCr15 High-Carbon Bearing Chrome Steel

Locking Mechanism: Streamlined, collarless mounting design optimized for standard transmission shafts

Outer Surface Contour: Spherical Outer Ring (Accommodates initial shaft deflection and angular misalignment)

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

💡 Core Engineering Advantages

Optimized Structural Rigidity: The sturdy 20mm overall thickness and 90mm outer profile absorb heavy shock loads and continuous dynamic strains with ease.

Low-Friction Operation: Super-finished internal raceways reduce friction coefficients, maintaining lower running temperatures at continuous high speeds.

Universal Housing Compatibility: Tailored for effortless drop-in installation into standard 210-series industrial pillow blocks, flanged units, and take-up assemblies.

Advanced Contaminant Defense: Factory pre-lubricated with high-grade multi-purpose grease and shielded against abrasive dust, grit, and moisture infiltration.

⚙️ Typical Operational Sectors

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

Agricultural Processing Machinery: High-capacity combine harvesters, large grain elevators, and heavy sorting equipment.

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