205KRRB2 Agricultural Ball Bearing (5/8" Bore) ── 5/8" x 52mm x 15mm | Heavy-Duty Sealed Hex / Round Bore Planter & Harvester Unit | Fits John Deere JD9260 AN160291 | Replaces Timken Fafnir 205KRRB2-20, PEER 205KRRB2-20, Link-Belt KHG220E

⚙️ Technical Specifications & OEM / Brand Matrix

Bearing Part Number: 205KRRB2 / 205KRRB2-20 (Heavy-Duty Agricultural Ball Bearing)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 5/8 in (15.875 mm)

Outer Diameter (OD - D): 52 mm (2.047 in)

Outer Ring Width / Thickness (C): 15 mm (0.591 in)

OEM Equipment Replacements:

John Deere OEM: JD9260, AN160291 (Common planter/harvester assembly cross)

Brand Interchange Cross-References:

Timken / Fafnir: 205KRRB2-20 (Premium high-shroud agricultural layout)

PEER Bearing: 205KRRB2-20 (Standard ag-series hex insert)

Link-Belt / Rexnord: KHG220E (Heavy-duty hex series equivalent)

⚡ Structural Advantages & Heavy-Duty Performance

Premium High-Shroud KRR Sealing Barrier: Advanced heavy-duty contact rubber seals with a protective shroud form an impenetrable barrier against mud, crop dust, water, and abrasive soil grit.

Spherical / Cylindrical Outer Ring Fit: Precision ground outer ring ensures smooth seating inside farm implement housings, resisting operational misalignment and severe field shock loads.

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

Vacuum-Degassed GCr15 Chrome Steel: Premium high-carbon chromium steel construction provides maximum dynamic load capacity and superior fatigue resistance against continuous field torque.

🚜 Agricultural Machinery Deployment & Usage Scenarios

Planters & Harvesting Machinery: Direct fit replacement for John Deere planter metering drives, combine harvesters, gauge wheel drives, and crop gathering assemblies requiring a 5/8" bore bearing.

Tillage Implements & Drives: Essential heavy-duty bearing unit for disc harrows, rolling cultivators, and soil preparation equipment operating under heavy soil drag.

Severe-Duty Power Transmission: Designed for demanding agricultural machinery operating under wet field slurry, dust, and continuous high-vibration exposure.