GW208PPB5 Heavy-Duty Agricultural Disc Bearing 28.575mm x 80mm x 36.52mm | Relubricable Tillage Bearing Replaces Timken GW208PPB5, BCA DS208TTR5, NTN 1AS08-1-5/32D1, Link Belt 18SG7-2E08E3

⚙️ Technical Specifications & Cross-Reference Matrix

Bearing Part Number: GW208PPB5 (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)

Brand Interchange Cross-Reference:

Fafnir / Torrington / Timken: GW208PPB5

BCA / Federal Mogul: DS208TTR5 / DS208TTR21

Link Belt: 18SG7-2E08E3

NTN: 1AS08-1-5/32 / 1AS08-1-5/32D1

Ampec: DC208TTR5 / GW208PPB5

⭐ Structural Advantages & Heavy-Duty Performance

Relubricable Design: Outer ring features grease lubrication holes to allow routine field flushing during maintenance, clearing out debris and significantly extending bearing service life.

Heavy-Duty Multi-Lip Sealing: High-performance contact rubber seals create a robust defense against abrasive soil, dust, mud, moisture, and crop residue during continuous tillage.

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

Planters & Cultivators: Grain drills and field cultivators requiring high radial load capacity.

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