GW209PPB5 Heavy-Duty Agricultural Disc Bearing 31.75mm x 85mm x 36.52mm | Relubricable Tillage Bearing Fits John Deere A20175, A-A20175, Replaces Timken GW208PPB5, BCA DS208TTR5

🛠️ Technical Specifications & Cross-Reference Matrix

Bearing Part Number: GW209PPB5 (Relubricable Heavy-Duty Disc Bearing)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 31.75 mm (1.250 in / 1-1/4 in)

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

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

OEM Part Number Replacements:

John Deere OEM: A20175, A-A20175

Brand Interchange Cross-Reference:

Fafnir / Timken: GW208PPB5

BCA / Federal Mogul: DS208TTR5

NTN: 1AS08-1-5/32

Link Belt: 18SG7-2E08E3

💥 Engineering Advantages & Structural Features

Relubricable Design: Equipped with outer ring grease lubrication holes, allowing routine field maintenance flushing to purge debris and significantly extend bearing service life.

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

Vacuum-Degassed GCr15 Chrome Steel: Manufactured from premium high-carbon chromium steel for maximum dynamic load rating and high fatigue resistance 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

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

John Deere Field Machinery: Direct fit component for John Deere disc harrow gang bolt assemblies and shaft units.

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