203KRR2 Agricultural Bearing ── 16.256mm x 40mm x 12mm (0.640" Bore) | Heavy-Duty Sealed Planter & Disc Unit | Fits John Deere JD9214 AN142670, Case IH 666624R91, New Holland 222279, Great Plains 822-095C | Replaces Timken 203KRR2, BCA 203RRAR10

⚙️ Technical Specifications & OEM Interchange Matrix

Bearing Part Number: 203KRR2 / 203RRAR10 (Heavy-Duty Sealed Planter Unit)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 16.256 mm (0.640 in)

Outer Diameter (OD - D): 40 mm (1.575 in)

Width (B): 12 mm (0.472 in)

OEM Equipment Replacements:

John Deere OEM: JD9214, AN142670, AN281357, AA82881

Case / Case-IH OEM: 666624R91, 149261C91, F16246

Ford / New Holland OEM: 222279, 66553

Great Plains OEM: 822-095C

Standard Industry & Brand Interchanges:

Fafnir / Timken: 203KRR2

BCA / Federal Mogul: 203RRAR10

Koyo: 83C251

Link-Belt: 126115

⚡ Structural Advantages & Heavy-Duty Performance

Maintenance-Free Sealed Protection: Factory pre-lubricated with high-grade wide-temperature agricultural grease, eliminating daily field greasing while preventing lubricant washout during heavy field operations.

Heavy-Duty Multi-Lip Sealing: Advanced contact rubber seals create a solid barrier against moisture, mud, abrasive soil grit, and fertilizer dust contamination.

Vacuum-Degassed GCr15 Chrome Steel: Manufactured from premium high-carbon chromium steel (AISI 52100) for maximum dynamic load capacity and superior fatigue resistance under continuous field shock.

Precision Bore Fitment: Engineered to exact 16.256mm (0.640") tolerances for optimal shaft seating, smooth rotation, and minimal fretting corrosion.

🚜 Agricultural Machinery Deployment & Usage Scenarios

John Deere, Case IH & Great Plains Equipment: Direct fit replacement component for John Deere row crop planters, seed openers, Case IH tillage machinery, and Great Plains grain drills.

Planters & Seed Drills: Essential replacement bearing for row crop planters, seed openers, gauge wheels, and disc coulter hub assemblies requiring a 0.640" bore bearing.

Ford / New Holland Machinery: Compatible with Ford and New Holland grain drills, seeders, and tillage attachments.