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Insert Bearing With Lock Collar – 1 ” Bore – Wide Inner Ring – Greasable

Original price was: $15.46.Current price is: $11.76.

Sale!
SKU: SMA-851-NA20516 Category:

When you’re running mowers, tillers, or cultivators day after day, those pivot points and rotating shafts take a real beating. A worn-out bearing means wobbling discs, noisy operation, and eventually expensive equipment damage. This greasable insert bearing with a 1″ bore gives you a quality replacement that’ll keep your equipment running smooth and quiet, season after season.

What You’re Getting

  • Spherical outer race design handles misalignment that’s common on farm equipment
  • Wide inner ring spreads loads better and lasts longer than narrow bearings
  • Greasable design lets you add fresh grease through a standard fitting
  • Lock collar secures tight to the shaft without set screws that can work loose
  • 52mm outer diameter fits common pillow blocks and bearing housings

Built for Real Farm Work

This bearing fits in 4-bolt flange housings and accepts both USA and import inserts, making it versatile for retrofit applications on tillage equipment, mowers, and other machinery. Whether you’re replacing worn bearings on a disc harrow, rotary cutter, or cultivator, this size handles the typical shaft diameters and loads you’ll find on medium-duty farm equipment.

Made to Last

The spherical outer race compensates for shaft misalignment that happens when equipment flexes or settles unevenly. The wide inner ring distributes loads across more surface area, reducing wear and extending bearing life. Quality steel construction handles the shock loads and vibration that come with field work, while the grease fitting lets you maintain proper lubrication without tearing things apart.

Good to Know

The lock collar design grips the entire shaft circumference for a secure hold that won’t slip under load. Only the import inserts will be greasable when used in cast iron housings, so make sure your housing has a grease fitting. Clean the shaft thoroughly before installation and check that it’s not worn or scored where the bearing rides.