Main Bearing for FE35 TEA20 Direct replacement for part numbers 554 322M91 554322M91 825837M1 825837M91 Why this part matters Restores crankshaft support to factory dimensions, helping maintain correct oil clearance and reduce friction. Reduces vibration and engine noise caused by worn bearings, improving running smoothness. Provides a reliable, longlasting bearing surface to minimize metaltometal contact and wear when installed correctly. Key features and attributes Function: Main bearing designed to support the engine crankshaft and maintain proper alignment under load. Compatibility: Fits FE35 and TEA20 models and replaces the listed part numbers 554 322M91 554322M91 825837M1 825837M91. Fit and sizing: Manufactured to match original equipment dimensions for a direct fit and correct clearances. Material and construction: Made from enginegrade bearing alloy to provide wear resistance and maintain oil film performance. Performance: Engineered to deliver consistent rotation, stable oil pressure behavior, and improved engine reliability when worn bearings are replaced. Practical benefits for owners Simple way to eliminate crank knock and restore smooth operation after bearing wear. Helps extend the life of crankshaft journals and related components by providing a proper bearing surface. Suitable for both routine maintenance and complete engine overhauls. Typical use scenarios Engine rebuild: main bearings during a full overhaul of an FE35 engine to restore factory alignment and clearances. Scheduled maintenance: Swap bearings on a TEA20 showing signs of reduced oil pressure or unusual bearing noise to prevent further damage. Restoration projects: Fit during a vintage tractor restoration to ensure dependable operation for field work or display. Installation notes Install in matched sets and measure clearances with plastigage or micrometer to confirm proper oil film thickness. Inspect crankshaft journals for scoring or wear and address any machining needs before installing bearings. Follow engine torque specifications and recommended lubrication procedures during assembly. This main bearing is intended as a directfit replacement for the specified models and part numbers. Use proper installation practices to achieve expected performance and longevity.