W208PPB5 Heavy-Duty Agricultural Disc Bearing 28.575mm x 80mm x 36.52mm | Relubricable Tillage Bearing Fits John Deere JD9248, IH 630210R91, Kewanee 206, 400 Series, Replaces DS208TT5, 1AS08-1-1/8

✦ Technical Specifications & OEM Interchange Matrix

Bearing Part Number: W208PPB5 (Relubricable Heavy-Duty Disc Bearing)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 28.575 mm (1.125 in / 1-1/8 in)

Outer Diameter (OD - D): 80 mm (3.150 in)

Inner Ring Width (B): 36.52 mm (1.438 in)

OEM Equipment Replacements:

John Deere OEM: JD9248 (Fits John Deere models 8500, F810H, F850H disc harrows)

International Harvester (I.H.C.) OEM: 630210R91

Kewanee OEM: 206 and 400 utility disc harrow series

Industry Cross-Reference Interchanges:

BCA / Federal Mogul Alias: DS208TT5

NTN Alias: 1AS08-1-1/8

Link-Belt Alias: AS4508BJ

Industry Part Alias: 10272

💥 Structural Advantages & Heavy-Duty Performance

Relubricable System: Outer ring features an integrated grease lubrication hole, allowing routine field maintenance flushing to purge debris and extend bearing service life.

Heavy-Duty Multi-Lip Sealing: Advanced rubber contact seals form a solid barrier against moisture, mud, abrasive soil, and fertilizer residue during continuous tilling.

Vacuum-Degassed GCr15 Chrome Steel: Premium high-carbon chromium steel construction provides excellent fatigue strength and high dynamic load capacity under extreme radial stress.

Pre-Greased & Field-Ready: Pre-packed at the factory with high-grade, wide-temperature agricultural grease for immediate field installation.

🚜 Agricultural Machinery Deployment & Usage Scenarios

John Deere, IH & Kewanee Implements: Direct fit replacement component for John Deere 8500 / F810H / F850H, IH, and Kewanee 206/400 series disc harrow gang bolt assemblies and shaft units.

Tillage Machinery: Heavy-duty disc harrows, plows, soil conditioners, and seedbed preparation equipment.

Gang Shaft Overhauls: Essential replacement unit for agricultural gang shaft rebuilds and field repair operations.