Heavy-Duty GW209PPB4 Agricultural Disc Harrow Bearing | 39mm x 85mm x 30.175mm Relubricable Insert Bearing for Tillage Machinery | Replaces John Deere AN240220, BCA DS209TTR4, NTN 3AC09-1-1/2D1, Krause 612-10-2, Sunflower 1829

⚙️ Technical Specifications & Global Interchanges

• Part Number Designation: GW209PPB4 (Relubricable Agricultural Disc Bearing)

• Precise Physical Dimensions:

  • Inner Diameter (Bore - d): 39 mm (1.535 in)

  • Outer Diameter (OD - D): 85 mm (3.346 in)

  • Total Width (B): 30.175 mm (1.188 in)

• OEM Cross-Reference Numbers:

  • John Deere: AN240220

  • DMI: 21842400

  • Krause: 612-10-2

  • Sunflower: 1829 / SN1829

  • Kewanee: B7778

  • Farmhand: EP6576

• Brand Interchange Equivalent List:

  • BCA / Federal Mogul: DS209TTR4

  • NTN: 3AC09-1-1/2D1

  • Link-Belt: 24RG3-209E3

⚡ Engineering Highlights & Structural Features

• Relubricable Maintenance Design: Features external grease lubrication holes allowing regular field maintenance to flush out debris and significantly extend operating life.

• Triple-Lip Heavy-Duty Sealing: Premium multi-lip contact rubber seals create a solid barrier against moisture, mud, abrasive soil, and fertilizer residue.

• GCr15 High-Carbon Chrome Steel: Manufactured from premium vacuum-degassed chrome steel for superior shock resistance and load capacity under severe tillage stress.

• Pre-Greased & Ready for Field Installation: Factory pre-packed with high-performance wide-temperature agricultural grease.

🚜 Agricultural Machinery Deployment & Usage Scenarios

• Tillage Equipment: Heavy-duty disc harrows, plows, soil finishers, and seedbed preparation machinery.

• Planters & Seeders: Grain drills and field cultivators requiring high radial load capacity.

• OEM Equipment Maintenance: Direct replacement unit for John Deere, Krause, DMI, and Sunflower agricultural machinery components.