Precision 1-15/16" CSA210-31 Eccentric Locking Collar Insert Bearing | 1-15/16" Bore x 90mm Outer Diameter x 43.7mm Width | Industrial & Agricultural Power Transmission Unit (Cross: SA210-31 Spherical OD, Timken/INA RA115RR/RA115-NPP, NTN AELS210-115N/AELS210-031N, AMI/Peer KHR210-31/FHR210-31, SKF YET210-115, FYH SAA210-31FP7)

⚙️ Specification & Global Interchange Hub

Part Number Designation: CSA210-31 / SA210-31 (1-15/16 Inch Eccentric Collar Series)

Comprehensive Brand Interchange Directory:

Universal Industrial Codes: SA210-31 (Spherical OD variant) / CSA210-31

Timken / INA Equivalent: RA115RR / RA115-NPP

NTN Equivalent: AELS210-115N / AELS210-031N

AMI / Peer Designation: KHR210-31 / FHR210-31

SKF Equivalent: YET210-115

FYH Equivalent: SAA210-31FP7

Imperial Bore Dimension (d): 1-15/16 Inches (approx. 49.21 mm)

Outer Ring Diameter (D): 90 mm (Spherical outer contour design)

Total Assembly Width (B): 43.7 mm (Optimized profile for robust load capacity and secure housing fit)

Material Architecture: High-Grade Chrome Steel (Vacuum degassed for enhanced fatigue life, shock resistance, and wear protection)

✨ Engineering Architecture & Performance Merits

Eccentric Locking Collar System: Features a matching eccentric locking collar that tightens securely onto the shaft via simple rotation, ensuring rapid, slip-resistant, and vibration-proof installation.

Spherical Outer Ring Contour: Self-aligning design accommodates initial static misalignments between the shaft and housing supports under harsh operating conditions.

Dual-Lip Contact Sealing: Equipped with reinforced rubber seals and metal flingers to effectively retain premium lithium grease while sealing out abrasive dust, dirt, and moisture.

Pre-Lubricated & Maintenance-Ready: Factory-filled with high-performance anti-friction grease for immediate, reliable deployment in rugged industrial environments.

🚚 Target Industrial Sectors & Deployment Fields

Heavy Agricultural Machinery: Combine harvesters, heavy grain augers, seeders, and large-scale tillage equipment drives.

Material Handling & Bulk Conveying: Heavy-duty belt conveyors, sorting lines, and industrial roller beds.

Industrial Equipment & Blowers: Large HVAC ventilation units, commercial air handlers, and high-capacity machinery pulley drives.