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Shielded Radial Ball Bearing – 20mm Bore for Agricultural Equipment

Original price was: $4.55.Current price is: $2.68.

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SKU: SMA-851-6204ZZ Category:

When you’re dealing with worn bearings in your equipment, that grinding noise and rough operation tells you it’s time for a replacement before something seizes up completely. This 204 series radial ball bearing with metal shields handles the rotating loads in agricultural equipment where dust and dirt are constant challenges. The dual metal shields keep contaminants out while the precision-ground races ensure smooth operation when you need it most.

What You’re Getting

  • 20mm bore with 47mm outer diameter fits standard agricultural applications
  • Dual metal shields protect against dust, dirt, and moisture intrusion
  • Single row radial design handles both radial and light axial loads effectively
  • 14mm width provides robust support for demanding farm equipment operations
  • Quality construction that meets the durability demands of agricultural use

Built for Real Farm Work

This bearing size is commonly found in cultivators, planters, mower decks, and various implements where 20mm shafts are used. From gauge wheels on planters that roll through debris-filled fields to spindle assemblies on mower decks that see constant vibration, this bearing keeps rotating components running smoothly. You’ll find this size in everything from small utility equipment to larger implements used in row crop operations.

Made to Last

Agricultural bearings face conditions that would destroy standard industrial bearings – constant dirt exposure, moisture, temperature extremes, and shock loads from field operations. This bearing is built with quality materials and proper heat treatment to handle these demanding conditions. The metal shields provide superior protection compared to rubber seals while still allowing proper lubrication retention.

Installation Notes

This is a direct replacement for worn 6204ZZ bearings in most applications. Clean the bearing housing thoroughly before installation and apply a light coating of grease to the outer race. Don’t over-pack with grease as the shields are designed to retain the proper amount. If you’re replacing bearings in pairs, do both at the same time – when one fails, the other isn’t far behind.