Industrial-Grade SB207-21 Set-Screw Insert Ball Bearing | 1-5/16" Bore x 72mm Outer Diameter x 17mm Width (Replaces SBB207-21KG5, YAT207-105, AS207-105D1, UE 207-105, FHS207-21G)

⭐ Engineering Specifications & Interchange Guide

• Series Designation: SB207-21 (1-5/16" Precision Imperial Profile)

• OEM Cross-Reference: SBB207-21KG5, SB207-21, YAT207-105, AS207-105D1, UE 207-105, FHS207-21G, SB207-21G, GE105KRRB

• Imperial Bore (d): 1-5/16 Inches (1.3125" / 33.3375 mm)

• Outer Diameter (D): 72 mm

• Overall Width (B): 17 mm (Optimized heavy-duty cross-section for superior radial support)

• 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 to compensate for initial shaft deflection)

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

🚗 Performance Highlights & Benefits

• Slip-Free Shaft Anchoring: The dual set-screw locking collar grips securely onto transmission shafts, eliminating rotational slip under continuous vibrational loads.

• Low-Friction Dynamics: Super-finished internal raceways reduce friction coefficients, keeping operating temperatures cool and stable at high speeds.

• Effortless Retrofitting: Designed for universal drop-in compatibility inside standard 207-series pillow blocks, flanged housings, and take-up units.

• Reliable Contaminant Defense: Factory pre-greased and tightly sealed to effectively block out abrasive dust, moisture, and fine debris.

⚙️ Target Industrial Applications

• Material Handling: Automated sorting lines, heavy roller conveyors, and belt drive modules.

• Agricultural Machinery: Combine harvester components, grain augers, and agricultural blowers.

• General Industrial Drives: Packaging equipment, textile machinery, and commercial power transmission units.