
Precision-engineered for rigorous tillage operations and extreme field conditions, the GW211PP25 relubricable agricultural disc harrow bearing features exact physical dimensions of 45.212mm Bore (1.780") x 100mm Outer Diameter x 33.325mm Inner Ring Width. Built with heavy-duty multi-lip contact seals and an outer ring grease lubrication hole to resist mud, abrasive soil, moisture, and high field shock load. Direct OEM replacement for Sunflower SN3091 and Landoll 140464, as well as cross-reference interchange equivalents BCA / Federal Mogul DC211TTR25 / DC211TTR21, Fafnir / Torrington GW211PP21 / GW211PP37, and NTN SBX 1171 LLSQ1.
β Technical Specifications & Cross-Reference Matrix
Bearing Part Number: GW211PP25 (Relubricable Heavy-Duty Disc Bearing)
Precise Physical Dimensions:
Inner Diameter (Bore - d): 45.212 mm (1.780 in)
Outer Diameter (OD - D): 100 mm (3.937 in)
Inner Ring Width (B): 33.325 mm (1.312 in)
OEM Part Number Replacements:
Sunflower OEM: SN3091
Landoll OEM: 140464
Brand Interchange Cross-Reference:
BCA / Federal Mogul: DC211TTR25 / DC211TTR21
Fafnir / Torrington: GW211PP21 / GW211PP37
NTN: SBX 1171 LLSQ1
β Engineering Highlights & Structural Features
Relubricable Feature: Outer ring equipped with grease lubrication holes, allowing routine field maintenance flushing to clear out contaminants and significantly extend operational life.
Heavy-Duty Multi-Lip Sealing: High-performance contact rubber seals create a solid barrier against moisture, mud, abrasive soil, and fertilizer residue during continuous tillage.
Vacuum-Degassed GCr15 Chrome Steel: Manufactured from premium high-carbon chromium steel for maximum dynamic load rating and high fatigue resistance under heavy radial stress.
Pre-Greased & Ready to Install: Pre-packed at the factory with high-grade, wide-temperature agricultural grease for immediate field deployment.
π Agricultural Machinery Deployment & Usage Scenarios
Tillage Machinery: Heavy-duty disc harrows, deep plows, soil conditioners, and seedbed preparation equipment.
Brand Equipment Maintenance: Direct OEM component replacement for Sunflower and Landoll agricultural tillage machinery.
Gang Shaft Maintenance: Ideal replacement unit for agricultural shaft rebuilds, gang bolt assemblies, and heavy field repairs.
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