Ultra-Duty SB211 Set-Screw Insert Ball Bearing | 55mm Bore x 100mm Outer Diameter x 21mm Width (Interchange: YAT211-55MM, AS211, FHS211, SB211)

⭐ Engineering Specifications & Global Brand Interchange

Series Designation: SB211 (55mm Standard Metric Profile)

Global OEM Cross-Reference Directory:

SKF: YAT211-55MM

NTN: AS211

Peer: FHS211

FYH / Asahi / PTI: SB211

Alternative Ref: GE55KRRB

Metric Bore (d): 55 mm

Outer Diameter (D): 100 mm

Overall Width (B): 21 mm (Robust heavy-duty cross-section engineered for maximum radial load distribution)

Material Composition: GCr15 Premium Bearing-Grade Chrome Steel

Locking Configuration: Extended Inner Ring with Twin Heavy-Duty Set-Screws

Outer Ring Geometry: Spherical Contour (Self-aligning capability to absorb initial shaft deflection)

Sealing Mechanism: Advanced Dual-Lip Contact Seals paired with Protective Steel Slingers

🚗 Performance Highlights & Benefits

Slip-Free Clamping: Twin set-screws deliver powerful, even radial pressure onto drive shafts, preventing rotational slippage during high-torque cycles.

Low-Noise Dynamics: Super-finished raceway surfaces minimize internal friction, maintaining stable operating temperatures under continuous load.

Universal Housing Integration: Designed for immediate, hassle-free drop-in installation inside standard 211-series pillow blocks, flange units, and take-up assemblies.

Enhanced Contamination Defense: Factory pre-greased and tightly sealed to successfully block out moisture, abrasive dust, and fine particulate matter.

⚙️ Target Industrial Applications

Material Handling: High-capacity roller conveyors, automated sorting networks, and industrial belt drives.

Agricultural Machinery: Combine harvester power take-offs, grain elevators, and heavy tractor drivelines.

General Industrial Systems: Large ventilation fans, crushing equipment, and heavy textile machinery.