39603/F29 Heavy-Duty Agricultural Flanged Hub Bearing Unit (29mm x 100mm x 33.3mm / 1.142" Bore) ── Sealed Disc Harrow & Tillage Assembly | High-Performance Replacement for Heavy Cultivators & Seeder Hubs

⚙️ Technical Specifications & Unit Dimensions

Bearing Part Number: 39603/F29 (Integrated Agricultural Flanged Hub Unit)

Precise Physical Dimensions:

Inner Diameter (Shaft Bore - d): 29 mm (1.142 in)

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

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

Bearing Internal Type: Double Row Angular Contact Ball Assembly

Sealing Protection: Multi-Lip Heavy-Duty Contact Rubber Seals (Dust & Waterproof)

⚡ Structural Advantages & Heavy-Duty Performance

Integrated 100mm Flange Design: Precision-machined 100mm flange outer housing provides superior surface contact and clamping force, completely preventing alignment deflection under heavy tillage conditions.

Double-Row Angular Contact Internal Core: High-precision double-row ball geometry absorbs continuous simultaneous radial forces and bi-directional axial thrust loads under deep soil penetration.

Advanced Multi-Lip Sealing Barrier: High-efficiency contact rubber seals form an airtight defensive shield against moisture, mud, slurry, and abrasive fertilizer dust contamination.

Maintenance-Free Synthetic Pre-Lubrication: Factory pre-filled with high-grade wide-temperature agricultural synthetic grease, completely eliminating daily field routine servicing and lube washout.

🚜 Agricultural Machinery Deployment & Usage Scenarios

Heavy Disc Harrows & Cultivators: Essential heavy-duty flanged hub unit for soil opener discs, rolling coulters, and stubble cultivators operating under intense field drag.

Seed Drills & Disc Openers: High-performance replacement bearing unit for heavy agricultural seeders, seed drills, and high-speed tillage machinery.

Severe Duty Tillage Tools: Ideal for soil conditioning machinery subjected to harsh dirt, damp slurry, and continuous high-speed field operations.