Precision SB 201 Insert Ball Bearing | 12mm Bore x 40mm Outer Diameter x 12mm Width (Replaces SB201 12MM, SB201KG5, SB201-12MM)

🌐 Technical Specifications & Cross-Reference Directory

Product Series: SB201 (12mm Precision Metric Bore Profile)

OEM Interchange Match List: SB 201, SB201 12MM, SB201KG5, SB201-12MM, GE12KRRB

Metric Bore Diameter (Inner d): 12 mm

Outer Diameter (Outer D): 40 mm

Overall Thickness / Width (B): 12 mm (Compact profile optimized for space-saving assemblies)

Alloy Composition: High-Carbon GCr15 Bearing-Grade Chrome Steel

Locking Mechanism: Integrated Set-Screw Locking Collar for secure, slip-free shaft anchoring

Outer Ring Contour: Spherical Outer Surface (Compensates smoothly for initial shaft deflection and housing misalignment)

Sealing Technology: Reinforced Dual-Lip Contact Rubber Seals with Steel Deflector Shields

💡 Core Engineering Advantages

Reliable Shaft Anchoring: The precision set-screw locking system ensures firm, stable grip on standard transmission shafts under vibrational loads.

Whisper-Quiet Rotation: Super-finished internal raceways reduce friction coefficients, maintaining stable, cool operating temperatures at high speeds.

Space-Saving Integration: Tailored for seamless drop-in fit inside compact 201-series pillow blocks, pressed-steel flanged units, and lightweight housings.

Effective Contamination Defense: Factory pre-lubricated with multi-purpose grease and tightly shielded to block out dust, debris, and moisture infiltration.

⚙️ Typical Operational Sectors

Automation & Robotics: Small conveyor modules, automated guided vehicle (AGV) wheels, and light assembly lines.

Agricultural Small Machinery: Lightweight grain sifters, garden equipment, and small seeders.

General Industrial Appliances: Small ventilation fans, textile processing units, and food packaging machinery.