39603/F33 Heavy-Duty Agricultural Bearing Unit ── 33.3mm x 100mm x 33.3mm (1.311" Bore) | Heavy-Duty Sealed Tillage Disc & Implement Drive Bearing | Replaces 39603 F33 Series

✦ Technical Specifications & Physical Dimensions

• Bearing Part Number: 39603/F33 (Heavy-Duty Agricultural Bearing Unit)

• Precise Physical Dimensions:

  • Inner Diameter (Bore - d): 33.3 mm (1.311 in / 1-5/16 in)

  • Outer Diameter (OD - D): 100 mm (3.937 in)

  • Overall Width / Thickness (B): 33.3 mm (1.311 in)

• Design Type: Heavy-Duty Sealed Agricultural / Tillage Hub Unit

⚡ Structural Advantages & Heavy-Duty Performance

• Optimum Load Distribution: Precision-machined 33.3mm inner ring and 100mm outer shell structure provides exceptional torque transmission and structural rigidity, resisting alignment deflection under heavy field loads.

• Heavy Multi-Lip Sealing Barrier: Advanced multi-lip contact rubber seals create a solid defense against moisture, slurry, dry crop dust, and abrasive soil grit contamination.

• Maintenance-Free Synthetic Pre-Lubrication: Factory pre-filled with high-grade wide-temperature synthetic grease, eliminating daily greasing downtime and lubricant washout.

• High-Carbon Chrome Steel Core: Manufactured from vacuum-degassed GCr15 chrome steel for maximum fatigue strength and long operational life under severe field shock.

🚜 Agricultural & Industrial Machinery Deployment

• Tillage Equipment & Disc Harrows: Direct fit high-performance bearing unit for disc harrow gangs, soil preparation tools, and stubble cultivators operating under intense field drag.

• Seed Drills & Planters: Essential heavy-duty bearing unit for opener discs, rolling coulters, and row crop planter hub assemblies.

• Industrial & Implement Drives: Designed for demanding agricultural gearboxes, drive shafts, and heavy machinery subjected to severe vibration and damp slurry exposure.