AA205DD Heavy-Duty Agricultural Ball Bearing ── 0.635" x 2.09" x 0.765" (0.635" Bore) | Sealed Grain Drill & Disc Opener Unit | Fits John Deere AA205DD 205VVH, Great Plains 188-001V 822-236C (1005NT 1006NT 1200-2525P Fleets) | Replaces FKL SL 5316 2T, 205GP SL

✦ Technical Specifications & OEM / Brand Matrix

Bearing Part Number: AA205DD / 205VVH (Heavy-Duty Grain Drill Bearing)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 0.635 in (16.129 mm)

Outer Diameter (OD - D): 2.09 in (53.086 mm)

Inner Ring Width / Thickness (B): 0.765 in (19.431 mm)

OEM Equipment Replacements:

John Deere OEM: AA205DD, 205VVH

Great Plains OEM: 188-001V, 188001V, 822-236C (Fits 1005NT, 1006NT, and 1200 through 2525P drill fleets)

Aftermarket & Brand Cross-References:

FKL / Premium Aftermarket: SL 5316 2T, 5316-2T, 205GP SL

⚡ Structural Advantages & Heavy-Duty Performance

Extended Inner Ring Architecture: 0.765" inner ring width distributes operational mechanical torque over a wider shaft contact area, preventing shaft wear, fretting corrosion, and alignment wobble.

Heavy-Duty Multi-Lip Contact Sealing: High-efficiency contact rubber seals create a permanent defensive barrier against moisture, mud, slurry, and fertilizer dust contamination.

Maintenance-Free Synthetic Pre-Lubrication: Pre-filled at the factory with high-grade wide-temperature agricultural synthetic grease, completely eliminating daily routine field maintenance and lube washout.

Vacuum-Degassed GCr15 Chrome Steel: Premium high-carbon chromium steel construction provides elevated dynamic load capacity and superior fatigue resistance under severe field shock.

🚜 Agricultural Machinery Deployment & Usage Scenarios

Grain Drills & Disc Openers: Direct fit replacement for John Deere and Great Plains grain drill opener discs, seed coulter hubs, and drill fleet assemblies.

Great Plains Drill Fleets: Specially engineered for Great Plains 1005NT, 1006NT, 1200, 1300, 1500, 2000, and 2525P series grain drills.

High-Speed Seeding Equipment: Designed for demanding agricultural seeding tools operating under continuous soil drag, wet slurry, and harsh dust exposure.