ГлавнаяПродукцияКорпусные подшипникиHeavy-Duty SB204-12 Set-Screw Insert Ball Bearing | 3/4" Bore x 47mm Outer Diameter x 14mm Width (Replaces AS204-012, YA012RRB, FHS204-12, SB204-12N)
Heavy-Duty SB204-12 Set-Screw Insert Ball Bearing | 3/4" Bore x 47mm Outer Diameter x 14mm Width (Replaces AS204-012, YA012RRB, FHS204-12, SB204-12N)
SB200
Корпусные подшипники

Heavy-Duty SB204-12 Set-Screw Insert Ball Bearing | 3/4" Bore x 47mm Outer Diameter x 14mm Width (Replaces AS204-012, YA012RRB, FHS204-12, SB204-12N)

Engineered for reliable power transmission in industrial automation, fractional drive units, and general mechanical assemblies, the SB204-12 insert bearing features exact 3/4" x 47 x 14mm dimensions forged from premier GCr15 high-carbon alloy steel. Equipped with an extended inner ring and secure set-screw locking collar for robust shaft retention, it serves as a seamless direct OEM drop-in replacement for AS204-012, YA012RRB, FHS204-12, SB204-12N, and SB204-12.

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Technical Specifications & Cross-Reference Directory

  • Product Series: SB204-12 (3/4" Precision Imperial Bore Profile)

  • OEM Interchange Match List: AS204-012, YA012RRB, FHS204-12, SB204-12N, SB204-12, GE012KRRB

  • Imperial Bore Diameter (Inner d): 3/4 Inch (0.750" / 19.05 mm)

  • Outer Diameter (Outer D): 47 mm

  • Overall Thickness / Width (B): 14 mm (Optimized robust section for balanced load distribution)

  • 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

  • Firm Shaft Retention: The precision dual set-screw locking collar ensures tight, slip-free grip on standard 3/4-inch transmission shafts under continuous operational cycles.

  • Friction-Optimized Dynamics: Super-finished internal raceways minimize running friction, maintaining stable, lower operating temperatures at high speeds.

  • Universal Housing Compatibility: Tailored for seamless drop-in installation into standard 204-series industrial pillow blocks, flange units, and take-up assemblies.

  • Advanced Contaminant Defense: Factory pre-lubricated with multi-purpose grease and tightly shielded to block out dust, grit, and moisture infiltration.

Typical Operational Sectors

  • Material Handling & Conveyance: Roller conveyor systems, belt drive assemblies, and sorting machinery.

  • Agricultural & Processing Equipment: Small grain augers, agricultural fans, and sorting tables.

  • Industrial Automation & Motors: Fractional horsepower electric motors, textile machinery, and packaging lines.

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