W210PP4 Heavy-Duty Agricultural Disc Bearing 28.575mm x 90mm x 30.175mm | Sealed Tillage Bearing Replaces Timken W210PP4, BCA DC210TT4, NTN 7AS10-1-1/8, Link-Belt 18SB3-210E3

❖ Technical Specifications & Cross-Reference Matrix

• Bearing Part Number: W210PP4 (Heavy-Duty Sealed Disc Bearing)

• Precise Physical Dimensions:

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

  • Outer Diameter (OD - D): 90 mm (3.543 in)

  • Inner Ring Width (B): 30.175 mm (1.188 in)

• Brand Interchange Cross-Reference:

  • Fafnir / Torrington / Timken: W210PP4

  • BCA / Federal Mogul: DC210TT4

  • NTN: 7AS10-1-1/8

  • Link-Belt: 18SB3-210E3

  • New Departure (NDH): AS4510B

⚡ Structural Advantages & Heavy-Duty Performance

• Maintenance-Free Sealed Unit: Factory pre-lubricated with high-grade, wide-temperature agricultural grease, eliminating daily field greasing while preventing lubricant washout.

• Heavy-Duty Multi-Lip Sealing: High-performance contact rubber seals create a robust, airtight barrier against moisture, mud, abrasive soil, and fertilizer residue during continuous tillage.

• Vacuum-Degassed GCr15 Chrome Steel: Manufactured from premium high-carbon chromium steel (AISI 52100) for maximum dynamic load rating and superior fatigue resistance under heavy radial stress.

• Precision Bore Fitment: Standard 1-1/8" round bore provides optimal shaft seating, minimizing fretting corrosion and vibration under severe field shock loads.

🚜 Agricultural Machinery Deployment & Usage Scenarios

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

• 1-1/8" Shaft Implements: Direct fit replacement unit designed for agricultural equipment requiring a 1-1/8 inch round bore insert bearing.

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