Precision 1-5/16" CSA207-21 Eccentric Locking Collar Insert Bearing | 1-5/16" Bore x 72mm Outer Diameter x 38.9mm Width | Industrial & Agricultural Power Transmission Unit (Cross: SA207-21, Timken/INA RA105RR/RA105-NPP, NTN AELS207-105N, AMI/Peer KHR207-21/FHR207-21, SKF YET207-105, FYH SAA207-21)

🔧 Specification & Global Interchange Hub

Part Number Designation: CSA207-21 / SA207-21 (1-5/16 Inch Eccentric Collar Series)

Comprehensive Brand Interchange Directory:

Universal Industrial Codes: SA207-21 / CSA207-21

Timken / INA Equivalent: RA105RR / RA105-NPP

NTN Equivalent: AELS207-105N

AMI / Peer Designation: KHR207-21 / FHR207-21

SKF Equivalent: YET207-105

FYH Equivalent: SAA207-21

Imperial Bore Dimension (d): 1-5/16 Inches (approx. 33.34 mm)

Outer Ring Diameter (D): 72 mm

Total Assembly Width (B): 38.9 mm (Optimized profile for robust load capacity and secure housing fit)

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

🌟 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 and vibration-proof installation.

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

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

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

🚛 Target Industrial Sectors & Deployment Fields

Agricultural Machinery: Combine harvesters, heavy grain augers, seeders, and large conveyor idlers.

Material Handling & Packaging: Heavy belt conveyors, sorting lines, and industrial roller beds.

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