Heavy-Duty W211PPB2 Cylindrical/Special Bore Insert Ball Bearing | 55.575mm (2-3/16") Bore x 100mm Outer Diameter x 33.325mm Width | Agricultural & Industrial Power Transmission Unit (Cross: Timken/Fafnir W211PPB2, BCA DS211TT2, Link-Belt 35R3-211E3, NTN 3AC11-2-3/16, John Deere AA28193/AN142640/JD10018, Case IH 149301C91/ST740, Armstrong 12-211-1)

⚙️ Specification & Global OEM Interchange Hub

• Part Number Designation: W211PPB2 (Heavy-Duty Agricultural Series)

• Comprehensive Brand & OEM Interchange Directory:

  • Timken / Fafnir / Torrington: W211PPB2

  • BCA / Federal Mogul: DS211TT2

  • Link-Belt: 35R3-211E3

  • NTN Bearings: 3AC11-2-3/16

  • John Deere OEM Part Numbers: AA28193, AN142640, JD10018

  • Case IH OEM Part Numbers: 149301C91, ST740

  • Armstrong OEM Part Number: 12-211-1

• Metric/Imperial Bore Dimension (d): 55.575 mm (equivalent to 2-3/16 Inches)

• Outer Ring Diameter (D): 100 mm

• Total Assembly Width (B): 33.325 mm (Heavy-duty profile optimized for intense load distribution and shaft alignment)

• Material Architecture: Premium Vacuum-Degassed Chrome Steel (Engineered for superior fatigue resistance and maximum structural longevity under shock loads)

⭐ Engineering Architecture & Performance Merits

• Advanced Multi-Lip Sealing System: Equipped with heavy-duty contact seals and metal shield guards designed specifically to block out abrasive field dirt, moisture, and agricultural chemicals while retaining high-performance grease.

• Optimized Internal Geometry: Engineered to handle severe combined radial and thrust loads typically encountered in heavy tillage, disc harrows, and large planting implements.

• Pre-Lubricated & Maintenance-Ready: Factory-filled with high-grade, moisture-resistant extreme-pressure (EP) grease for instant, reliable operation upon installation.

• Rigorous OEM Tolerances: Manufactured to exact original equipment specifications, ensuring perfect drop-in compatibility with standard housings and assemblies.

🚛 Target Industrial Sectors & Deployment Fields

• Heavy Agricultural Implements: Large disc harrows, heavy-duty tillage equipment, grain drills, planters, and combine harvesters.

• Bulk Material Handling: High-capacity industrial conveyors, sorting machinery, and aggregate processing lines.

• Industrial Powertrains: Heavy drive assemblies, large industrial gearboxes, and auxiliary agricultural machinery drives.