GW214PPB6 Heavy-Duty Agricultural Disc Bearing 68.278mm x 125mm x 28mm | Relubricable Tillage Bearing Replaces John Deere JD8658, Timken GW214PPB6, BCA DS214TTRA, A&I A-GW214PPB6-I

⚙️ Technical Specifications & Cross-Reference Matrix

Bearing Part Number: GW214PPB6 (Relubricable Heavy-Duty Disc Bearing)

Precise Physical Dimensions:

Inner Diameter (Bore - d): 68.278 mm (2.688 in / 2-11/16 in)

Outer Diameter (OD - D): 125 mm (4.921 in)

Inner Ring Width (B): 28 mm (1.102 in)

OEM Part Number Replacement:

John Deere: JD8658

Brand Interchange Cross-Reference:

Fafnir / Torrington / Timken: GW214PPB6

BCA / Federal Mogul: DS214TTRA

A&I Products: A-GW214PPB6-I

🛡️ Engineering Advantages & Structural Features

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

Triple-Lip Contact Sealing: Advanced multi-lip 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.

🌾 Agricultural Machinery Deployment & Usage Scenarios

Heavy Tillage Equipment: Large-scale disc harrows, deep plows, soil conditioners, and seedbed preparation machinery.

John Deere Equipment Maintenance: Direct replacement component for John Deere disc harrow gang bolt assemblies and shaft units.

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